using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading;
using System.Xml.Serialization;
using CPF.Drawing;
using CPF.Input;
using CPF.ReoGrid.Actions;
using CPF.ReoGrid.CellTypes;
using CPF.ReoGrid.Common;
using CPF.ReoGrid.Core;
using CPF.ReoGrid.Data;
using CPF.ReoGrid.DataFormat;
using CPF.ReoGrid.Drawing;
using CPF.ReoGrid.Events;
using CPF.ReoGrid.Formula;
using CPF.ReoGrid.Interaction;
using CPF.ReoGrid.IO;
using CPF.ReoGrid.Main;
using CPF.ReoGrid.Outline;
using CPF.ReoGrid.Print;
using CPF.ReoGrid.Rendering;
using CPF.ReoGrid.Utility;
using CPF.ReoGrid.Views;
using CPF.ReoGrid.XML;

namespace CPF.ReoGrid
{
	public sealed class Worksheet : IDisposable
	{
        public void SetRangeBorders(string addressOrName, BorderPositions pos, RangeBorderStyle style)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			if (flag)
			{
				this.SetRangeBorders(new RangePosition(addressOrName), pos, style);
			}
			else
			{
				NamedRange refRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out refRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				this.SetRangeBorders(refRange, pos, style);
			}
		}

		public void SetRangeBorders(int row, int col, int rows, int cols, BorderPositions pos, RangeBorderStyle style)
		{
			this.SetRangeBorders(new RangePosition(row, col, rows, cols), pos, style);
		}

		public void SetRangeBorders(RangePosition range, BorderPositions pos, RangeBorderStyle style)
		{
			this.SetRangeBorders(this.FixRange(range), pos, style, true);
		}

		internal void SetRangeBorders(RangePosition range, BorderPositions pos, RangeBorderStyle style, bool invalidateWorksheet)
		{
			range = this.FixRange(range);
			int row = range.Row;
			int col = range.Col;
			int num = range.EndRow + 1;
			int num2 = range.EndCol + 1;
			bool flag = (pos & BorderPositions.Right) == BorderPositions.Right && num2 > this.cols.Count;
			if (flag)
			{
				throw new ArgumentOutOfRangeException("Right side of range out of worksheet.");
			}
			bool flag2 = (pos & BorderPositions.Bottom) == BorderPositions.Bottom && num > this.rows.Count;
			if (flag2)
			{
				throw new ArgumentOutOfRangeException("Bottom side of range out of worksheet.");
			}
			bool flag3 = (pos & BorderPositions.Left) == BorderPositions.Left;
			if (flag3)
			{
				this.CutBeforeVBorder(row, col);
				this.SetVBorders(row, col, range.Rows, style, VBorderOwnerPosition.Left);
			}
			bool flag4 = (pos & BorderPositions.Right) == BorderPositions.Right;
			if (flag4)
			{
				this.CutBeforeVBorder(row, num2);
				this.SetVBorders(row, num2, range.Rows, style, VBorderOwnerPosition.Right);
			}
			bool flag5 = (pos & BorderPositions.Top) == BorderPositions.Top;
			if (flag5)
			{
				this.CutBeforeHBorder(row, col);
				this.SetHBorders(row, col, range.Cols, style, HBorderOwnerPosition.Top);
			}
			bool flag6 = (pos & BorderPositions.Bottom) == BorderPositions.Bottom;
			if (flag6)
			{
				this.CutBeforeHBorder(num, col);
				this.SetHBorders(num, col, range.Cols, style, HBorderOwnerPosition.Bottom);
			}
			bool flag7 = (pos & BorderPositions.InsideVertical) == BorderPositions.InsideVertical;
			if (flag7)
			{
				for (int i = col + 1; i < num2; i++)
				{
					this.CutBeforeVBorder(row, i);
					this.SetVBorders(row, i, range.Rows, style, VBorderOwnerPosition.All);
				}
			}
			bool flag8 = (pos & BorderPositions.InsideHorizontal) == BorderPositions.InsideHorizontal;
			if (flag8)
			{
				for (int j = row + 1; j < num; j++)
				{
					this.CutBeforeHBorder(j, col);
					this.SetHBorders(j, col, range.Cols, style, HBorderOwnerPosition.All);
				}
			}
			if (invalidateWorksheet)
			{
				this.RequestInvalidate();
			}
			bool flag9 = !style.IsEmpty;
			if (flag9)
			{
				EventHandler<BorderAddedEventArgs> borderAdded = this.BorderAdded;
				if (borderAdded != null)
				{
					borderAdded(this, new BorderAddedEventArgs(range, pos, style));
				}
			}
			else
			{
				EventHandler<BorderRemovedEventArgs> borderRemoved = this.BorderRemoved;
				if (borderRemoved != null)
				{
					borderRemoved(this, new BorderRemovedEventArgs(range, pos));
				}
			}
		}

		public void RemoveRangeBorders(RangePosition range, BorderPositions pos)
		{
			this.SetRangeBorders(range, pos, RangeBorderStyle.Empty);
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<BorderAddedEventArgs> BorderAdded;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<BorderRemovedEventArgs> BorderRemoved;

		public RangeBorderInfoSet GetRangeBorders(int row, int col, int rows, int cols, BorderPositions pos = BorderPositions.All, bool onlyCellsOwn = true)
		{
			return this.GetRangeBorders(new RangePosition(row, col, rows, cols), pos, onlyCellsOwn);
		}

		public RangeBorderInfoSet GetRangeBorders(string addressOrName, BorderPositions pos = BorderPositions.All, bool onlyCellsOwn = true)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			RangeBorderInfoSet rangeBorders;
			if (flag)
			{
				rangeBorders = this.GetRangeBorders(new RangePosition(addressOrName), pos, onlyCellsOwn);
			}
			else
			{
				NamedRange refRange = null;
				bool flag2 = NamedRange.IsValidName(addressOrName) && this.registeredNamedRanges.TryGetValue(addressOrName, out refRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				rangeBorders = this.GetRangeBorders(refRange, pos, onlyCellsOwn);
			}
			return rangeBorders;
		}

		public RangeBorderInfoSet GetRangeBorders(RangePosition range, BorderPositions pos = BorderPositions.All, bool onlyCellsOwn = true)
		{
			RangePosition rangePosition = this.FixRange(range);
			RangeBorderInfoSet rangeBorderInfoSet = new RangeBorderInfoSet();
			bool flag = rangePosition.Rows == 0 || rangePosition.Cols == 0;
			RangeBorderInfoSet result;
			if (flag)
			{
				result = rangeBorderInfoSet;
			}
			else
			{
				bool flag2 = pos.Has(BorderPositions.Top);
				if (flag2)
				{
					rangeBorderInfoSet.Top = this.GetGridBorder(rangePosition.Row, rangePosition.Col, BorderPositions.Top, onlyCellsOwn);
					for (int i = rangePosition.Col + 1; i <= rangePosition.EndCol; i++)
					{
						bool flag3 = rangeBorderInfoSet.Top != null;
						if (flag3)
						{
							bool flag4 = this.hBorders[rangePosition.Row, i] == null || (this.hBorders[rangePosition.Row, i].Style != null && !this.hBorders[rangePosition.Row, i].Style.Equals(rangeBorderInfoSet.Top));
							if (flag4)
							{
								rangeBorderInfoSet.NonUniformPos |= BorderPositions.Top;
								break;
							}
						}
						else
						{
							bool flag5 = this.hBorders[rangePosition.Row, i] != null && this.hBorders[rangePosition.Row, i].Style != null;
							if (flag5)
							{
								rangeBorderInfoSet.NonUniformPos |= BorderPositions.Top;
								break;
							}
						}
					}
				}
				bool flag6 = pos.Has(BorderPositions.Bottom);
				if (flag6)
				{
					rangeBorderInfoSet.Bottom = this.GetGridBorder(rangePosition.EndRow, rangePosition.Col, BorderPositions.Bottom, onlyCellsOwn);
					bool flag7 = rangeBorderInfoSet.Bottom != null;
					if (flag7)
					{
						for (int j = rangePosition.Col + 1; j <= rangePosition.EndCol; j++)
						{
							bool flag8 = this.hBorders[rangePosition.EndRow + 1, j] == null || (this.hBorders[rangePosition.EndRow + 1, j].Style != null && !this.hBorders[rangePosition.EndRow + 1, j].Style.Equals(rangeBorderInfoSet.Bottom));
							if (flag8)
							{
								rangeBorderInfoSet.NonUniformPos |= BorderPositions.Bottom;
								break;
							}
						}
					}
					else
					{
						for (int k = rangePosition.Col + 1; k <= rangePosition.EndCol; k++)
						{
							bool flag9 = this.hBorders[rangePosition.EndRow + 1, k] != null && this.hBorders[rangePosition.EndRow + 1, k].Style != null;
							if (flag9)
							{
								rangeBorderInfoSet.NonUniformPos |= BorderPositions.Bottom;
								break;
							}
						}
					}
				}
				bool flag10 = pos.Has(BorderPositions.Left);
				if (flag10)
				{
					rangeBorderInfoSet.Left = this.GetGridBorder(rangePosition.Row, rangePosition.Col, BorderPositions.Left, onlyCellsOwn);
					bool flag11 = rangeBorderInfoSet.Left != null;
					if (flag11)
					{
						for (int l = rangePosition.Row + 1; l < rangePosition.EndRow; l++)
						{
							bool flag12 = this.vBorders[l, rangePosition.Col] == null || (this.vBorders[l, rangePosition.Col].Style != null && !this.vBorders[l, rangePosition.Col].Style.Equals(rangeBorderInfoSet.Left));
							if (flag12)
							{
								rangeBorderInfoSet.NonUniformPos |= BorderPositions.Left;
								break;
							}
						}
					}
					else
					{
						for (int m = rangePosition.Row + 1; m <= rangePosition.EndRow; m++)
						{
							bool flag13 = this.vBorders[m, rangePosition.Col] != null && this.vBorders[m, rangePosition.Col].Style != null;
							if (flag13)
							{
								rangeBorderInfoSet.NonUniformPos |= BorderPositions.Left;
								break;
							}
						}
					}
				}
				bool flag14 = pos.Has(BorderPositions.Right);
				if (flag14)
				{
					rangeBorderInfoSet.Right = this.GetGridBorder(rangePosition.Row, rangePosition.EndCol, BorderPositions.Right, onlyCellsOwn);
					bool flag15 = rangeBorderInfoSet.Right != null;
					if (flag15)
					{
						for (int n = rangePosition.Row + 1; n < rangePosition.EndRow; n++)
						{
							bool flag16 = this.vBorders[n, rangePosition.EndCol + 1] == null || (this.vBorders[n, rangePosition.EndCol + 1].Style != null && !this.vBorders[n, rangePosition.EndCol + 1].Style.Equals(rangeBorderInfoSet.Right));
							if (flag16)
							{
								rangeBorderInfoSet.NonUniformPos |= BorderPositions.Right;
								break;
							}
						}
					}
					else
					{
						for (int num = rangePosition.Row + 1; num < rangePosition.EndRow; num++)
						{
							bool flag17 = this.vBorders[num, rangePosition.EndCol + 1] != null && this.vBorders[num, rangePosition.EndCol + 1].Style != null;
							if (flag17)
							{
								rangeBorderInfoSet.NonUniformPos |= BorderPositions.Right;
								break;
							}
						}
					}
				}
				bool flag18 = false;
				bool flag19 = pos.Has(BorderPositions.InsideHorizontal);
				if (flag19)
				{
					int num2 = Math.Min(rangePosition.EndRow, this.hBorders.MaxRow);
					int num3 = Math.Min(rangePosition.EndCol, this.hBorders.MaxCol);
					for (int num4 = rangePosition.Row + 1; num4 <= num2; num4++)
					{
						int num5 = rangePosition.Col;
						while (num5 <= num3)
						{
							ReoGridHBorder reoGridHBorder = this.hBorders[num4, num5];
							bool flag20 = reoGridHBorder != null;
							if (flag20)
							{
								bool flag21 = reoGridHBorder.Span == 0;
								if (flag21)
								{
									num5++;
									continue;
								}
								num5 += reoGridHBorder.Span;
								bool flag22 = !flag18;
								if (flag22)
								{
									rangeBorderInfoSet.InsideHorizontal = reoGridHBorder.Style;
								}
							}
							else
							{
								num5++;
								bool flag23 = !flag18;
								if (flag23)
								{
									rangeBorderInfoSet.InsideHorizontal = RangeBorderStyle.Empty;
								}
							}
							bool flag24 = flag18;
							if (flag24)
							{
								bool flag25 = (reoGridHBorder != null || !rangeBorderInfoSet.InsideHorizontal.IsEmpty) && (reoGridHBorder == null || rangeBorderInfoSet.InsideHorizontal.IsEmpty || !(reoGridHBorder.Style == rangeBorderInfoSet.InsideHorizontal));
								if (flag25)
								{
									rangeBorderInfoSet.NonUniformPos |= BorderPositions.InsideHorizontal;
									num4 = rangePosition.EndRow;
									break;
								}
							}
							flag18 = true;
						}
					}
				}
				flag18 = false;
				bool flag26 = pos.Has(BorderPositions.InsideVertical);
				if (flag26)
				{
					int num6 = Math.Min(rangePosition.EndRow, this.vBorders.MaxRow);
					int num7 = Math.Min(rangePosition.EndCol, this.vBorders.MaxCol);
					for (int num8 = rangePosition.Col + 1; num8 <= num7; num8++)
					{
						int num9 = rangePosition.Row;
						while (num9 <= num6)
						{
							ReoGridVBorder reoGridVBorder = this.vBorders[num9, num8];
							bool flag27 = reoGridVBorder != null;
							if (flag27)
							{
								bool flag28 = reoGridVBorder.Span == 0;
								if (flag28)
								{
									num9++;
									continue;
								}
								num9 += reoGridVBorder.Span;
								bool flag29 = !flag18;
								if (flag29)
								{
									rangeBorderInfoSet.InsideVertical = reoGridVBorder.Style;
								}
							}
							else
							{
								num9++;
								bool flag30 = !flag18;
								if (flag30)
								{
									rangeBorderInfoSet.InsideVertical = RangeBorderStyle.Empty;
								}
							}
							bool flag31 = flag18;
							if (flag31)
							{
								bool flag32 = (reoGridVBorder != null || !rangeBorderInfoSet.InsideVertical.IsEmpty) && (reoGridVBorder == null || rangeBorderInfoSet.InsideVertical.IsEmpty || !(reoGridVBorder.Style == rangeBorderInfoSet.InsideVertical));
								if (flag32)
								{
									rangeBorderInfoSet.NonUniformPos |= BorderPositions.InsideVertical;
									num8 = rangePosition.EndCol;
									break;
								}
							}
							flag18 = true;
						}
					}
				}
				result = rangeBorderInfoSet;
			}
			return result;
		}

		internal RangeBorderStyle GetGridBorder(int row, int col, BorderPositions pos, bool onlyGridOwn)
		{
			bool flag = pos == BorderPositions.Top && this.hBorders[row, col] != null && (!onlyGridOwn || (this.hBorders[row, col].Pos & HBorderOwnerPosition.Top) == HBorderOwnerPosition.Top);
			RangeBorderStyle result;
			if (flag)
			{
				result = this.hBorders[row, col].Style;
			}
			else
			{
				bool flag2 = pos == BorderPositions.Bottom && this.hBorders[row + 1, col] != null && (!onlyGridOwn || (this.hBorders[row + 1, col].Pos & HBorderOwnerPosition.Bottom) == HBorderOwnerPosition.Bottom);
				if (flag2)
				{
					result = this.hBorders[row + 1, col].Style;
				}
				else
				{
					bool flag3 = pos == BorderPositions.Left && this.vBorders[row, col] != null && (!onlyGridOwn || (this.vBorders[row, col].Pos & VBorderOwnerPosition.Left) == VBorderOwnerPosition.Left);
					if (flag3)
					{
						result = this.vBorders[row, col].Style;
					}
					else
					{
						bool flag4 = pos == BorderPositions.Right && this.vBorders[row, col + 1] != null && (!onlyGridOwn || (this.vBorders[row, col + 1].Pos & VBorderOwnerPosition.Right) == VBorderOwnerPosition.Right);
						if (flag4)
						{
							result = this.vBorders[row, col + 1].Style;
						}
						else
						{
							result = RangeBorderStyle.Empty;
						}
					}
				}
			}
			return result;
		}

		public void IterateBorders(RowOrColumn scanDirections, RangePosition range, Func<int, int, int, RangeBorderStyle, bool> iterator)
		{
			range = this.FixRange(range);
			bool flag = (scanDirections & RowOrColumn.Row) == RowOrColumn.Row;
			if (flag)
			{
				for (int i = range.Row; i <= range.EndRow; i++)
				{
					for (int j = range.Col; j <= range.EndCol; j++)
					{
						ReoGridHBorder reoGridHBorder = this.hBorders[i, j];
						bool flag2 = reoGridHBorder != null;
						if (flag2)
						{
							bool flag3 = reoGridHBorder.Span > 0;
							if (flag3)
							{
								bool flag4 = !iterator(i, j, reoGridHBorder.Span, reoGridHBorder.Style);
								if (flag4)
								{
									goto IL_B7;
								}
								j += reoGridHBorder.Span;
								continue;
							}
						}
					}
				}
			}
			IL_B7:
			bool flag5 = (scanDirections & RowOrColumn.Column) == RowOrColumn.Column;
			if (flag5)
			{
				for (int k = range.Col; k <= range.EndCol; k++)
				{
					for (int l = range.Row; l <= range.EndRow; l++)
					{
						ReoGridVBorder reoGridVBorder = this.vBorders[l, k];
						bool flag6 = reoGridVBorder != null;
						if (flag6)
						{
							bool flag7 = reoGridVBorder.Span > 0;
							if (flag7)
							{
								bool flag8 = !iterator(l, k, reoGridVBorder.Span, reoGridVBorder.Style);
								if (flag8)
								{
									return;
								}
								l += reoGridVBorder.Span;
								continue;
							}
						}
					}
				}
			}
		}

		internal ReoGridHBorder GetHBorder(int row, int col)
		{
			ReoGridHBorder reoGridHBorder = this.hBorders[row, col];
			bool flag = reoGridHBorder == null;
			if (flag)
			{
				reoGridHBorder = (this.hBorders[row, col] = new ReoGridHBorder());
			}
			return reoGridHBorder;
		}

		internal ReoGridVBorder GetVBorder(int row, int col)
		{
			ReoGridVBorder reoGridVBorder = this.vBorders[row, col];
			bool flag = reoGridVBorder == null;
			if (flag)
			{
				reoGridVBorder = (this.vBorders[row, col] = new ReoGridVBorder());
			}
			return reoGridVBorder;
		}

		internal ReoGridHBorder RetrieveHBorder(int row, int col)
		{
			return this.hBorders[row, col];
		}

		internal ReoGridVBorder RetrieveVBorder(int row, int col)
		{
			return this.vBorders[row, col];
		}

		internal ReoGridHBorder GetValidHBorderByPos(int row, int col, HBorderOwnerPosition pos)
		{
			ReoGridHBorder reoGridHBorder = this.hBorders[row, col];
			bool flag = reoGridHBorder == null || reoGridHBorder.Span == 0;
			ReoGridHBorder result;
			if (flag)
			{
				result = null;
			}
			else
			{
				bool flag2 = (reoGridHBorder.Pos & pos) == pos;
				if (flag2)
				{
					result = reoGridHBorder;
				}
				else
				{
					result = null;
				}
			}
			return result;
		}

		internal ReoGridVBorder GetValidVBorderByPos(int row, int col, VBorderOwnerPosition pos)
		{
			ReoGridVBorder reoGridVBorder = this.vBorders[row, col];
			bool flag = reoGridVBorder == null || reoGridVBorder.Span == 0;
			ReoGridVBorder result;
			if (flag)
			{
				result = null;
			}
			else
			{
				bool flag2 = (reoGridVBorder.Pos & pos) == pos;
				if (flag2)
				{
					result = reoGridVBorder;
				}
				else
				{
					result = null;
				}
			}
			return result;
		}

		private void CutBeforeHBorder(int row, int col)
		{
			bool flag = col < 1;
			if (!flag)
			{
				ReoGridHBorder reoGridHBorder = this.hBorders[row, col - 1];
				bool flag2 = reoGridHBorder != null && reoGridHBorder.Span > 1;
				if (flag2)
				{
					int i = col - 1;
					int span = reoGridHBorder.Span;
					while (i >= 0)
					{
						bool flag3 = this.hBorders[row, i] == null || this.hBorders[row, i].Span <= 1;
						if (flag3)
						{
							break;
						}
						this.hBorders[row, i].Span -= span - 1;
						i--;
					}
				}
			}
		}

		private int FindSameHBorderLeft(int row, int col, RangeBorderStyle borderStyle)
		{
			bool flag = col <= 0;
			int result;
			if (flag)
			{
				result = col;
			}
			else
			{
				for (int i = col - 1; i >= 0; i--)
				{
					ReoGridHBorder reoGridHBorder = this.hBorders[row, i];
					bool flag2 = reoGridHBorder == null;
					if (flag2)
					{
						return i + 1;
					}
					bool flag3 = reoGridHBorder.Style == null && borderStyle != null;
					if (flag3)
					{
						return i + 1;
					}
					bool flag4 = reoGridHBorder.Style != null && !reoGridHBorder.Style.Equals(borderStyle);
					if (flag4)
					{
						return i + 1;
					}
				}
				result = 0;
			}
			return result;
		}

		private int FindSameHBorderRight(int row, int col, RangeBorderStyle borderStyle)
		{
			bool flag = col > this.cols.Count - 1;
			int result;
			if (flag)
			{
				result = col;
			}
			else
			{
				for (int i = col + 1; i < this.cols.Count; i++)
				{
					ReoGridHBorder reoGridHBorder = this.hBorders[row, i];
					bool flag2 = reoGridHBorder == null;
					if (flag2)
					{
						return i - 1;
					}
					bool flag3 = reoGridHBorder == null && borderStyle != null;
					if (flag3)
					{
						return i - 1;
					}
					bool flag4 = !reoGridHBorder.Style.Equals(borderStyle);
					if (flag4)
					{
						return i - 1;
					}
				}
				result = this.cols.Count - 1;
			}
			return result;
		}

		private void FillHBorders(int row, int col, int cols, RangeBorderStyle borderStyle, HBorderOwnerPosition pos)
		{
			int num = col + cols;
			for (int i = col; i < num; i++)
			{
				this.SetHBorder(row, i, num - i, borderStyle, pos);
			}
		}

		private void SetHBorders(int row, int col, int cols, RangeBorderStyle borderStyle, HBorderOwnerPosition pos)
		{
			int num = col;
			int num2 = col + cols - 1;
			bool flag = borderStyle != null;
			if (flag)
			{
				num = this.FindSameHBorderLeft(row, col, borderStyle);
				num2 = this.FindSameHBorderRight(row, col + cols - 1, borderStyle);
				cols = num2 - num + 1;
			}
			int num3 = num + cols;
			int num4 = num3;
			int num5 = -1;
			for (int i = num; i < num3; i++)
			{
				bool flag2 = row > 0;
				if (flag2)
				{
					Cell cell = this.cells[row - 1, i];
					Cell cell2 = this.cells[row, i];
					bool flag3 = cell != null && cell2 != null && !cell.MergeEndPos.IsEmpty && CellPosition.Equals(cell.MergeStartPos, cell2.MergeStartPos);
					if (flag3)
					{
						num4 = i;
						num5 = cell2.MergeEndPos.Col + 1;
						break;
					}
				}
			}
			this.FillHBorders(row, num, num4 - num, borderStyle, pos);
			bool flag4 = num5 != -1;
			if (flag4)
			{
				this.SetHBorders(row, num5, num3 - num5, borderStyle, pos);
			}
		}

		private void SetHBorder(int row, int col, int colspan, RangeBorderStyle borderStyle, HBorderOwnerPosition pos)
		{
			bool flag = borderStyle == null;
			if (flag)
			{
				this.hBorders[row, col] = null;
			}
			else
			{
				ReoGridHBorder hborder = this.GetHBorder(row, col);
				hborder.Span = colspan;
				hborder.Style = borderStyle;
				hborder.Pos |= pos;
			}
		}

		private int FindSameVBorderTop(int row, int col, RangeBorderStyle borderStyle)
		{
			bool flag = row <= 0;
			int result;
			if (flag)
			{
				result = row;
			}
			else
			{
				for (int i = row - 1; i >= 0; i--)
				{
					ReoGridVBorder reoGridVBorder = this.vBorders[i, col];
					bool flag2 = reoGridVBorder == null;
					if (flag2)
					{
						return i + 1;
					}
					bool flag3 = reoGridVBorder.Style == null && borderStyle != null;
					if (flag3)
					{
						return i + 1;
					}
					bool flag4 = reoGridVBorder.Style != null && !reoGridVBorder.Style.Equals(borderStyle);
					if (flag4)
					{
						return i + 1;
					}
				}
				result = 0;
			}
			return result;
		}

		private int FindSameVBorderBottom(int row, int col, RangeBorderStyle borderStyle)
		{
			bool flag = row > this.rows.Count - 1;
			int result;
			if (flag)
			{
				result = row;
			}
			else
			{
				for (int i = row + 1; i < this.rows.Count; i++)
				{
					ReoGridVBorder reoGridVBorder = this.vBorders[i, col];
					bool flag2 = reoGridVBorder == null;
					if (flag2)
					{
						return i - 1;
					}
					bool flag3 = reoGridVBorder.Style == null && borderStyle != null;
					if (flag3)
					{
						return i - 1;
					}
					bool flag4 = !reoGridVBorder.Style.Equals(borderStyle);
					if (flag4)
					{
						return i - 1;
					}
				}
				result = this.rows.Count - 1;
			}
			return result;
		}

		private void FillVBorders(int row, int col, int rows, RangeBorderStyle borderStyle, VBorderOwnerPosition pos)
		{
			int num = row + rows;
			for (int i = row; i < num; i++)
			{
				this.SetVBorder(i, col, num - i, borderStyle, pos);
			}
		}

		private void CutBeforeVBorder(int row, int col)
		{
			bool flag = row < 1;
			if (!flag)
			{
				ReoGridVBorder reoGridVBorder = this.vBorders[row - 1, col];
				bool flag2 = reoGridVBorder != null && reoGridVBorder.Span > 1;
				if (flag2)
				{
					int i = row - 1;
					int span = reoGridVBorder.Span;
					while (i >= 0)
					{
						bool flag3 = this.vBorders[i, col] == null || this.vBorders[i, col].Span <= 1;
						if (flag3)
						{
							break;
						}
						this.vBorders[i, col].Span -= span - 1;
						i--;
					}
				}
			}
		}

		private void SetVBorders(int row, int col, int rows, RangeBorderStyle borderStyle, VBorderOwnerPosition pos)
		{
			int num = row;
			int num2 = row + rows - 1;
			bool flag = borderStyle != null;
			if (flag)
			{
				num = this.FindSameVBorderTop(row, col, borderStyle);
				num2 = this.FindSameVBorderBottom(row + rows - 1, col, borderStyle);
				rows = num2 - num + 1;
			}
			int num3 = num + rows;
			int num4 = num3;
			int num5 = -1;
			for (int i = num; i < num3; i++)
			{
				bool flag2 = col > 0;
				if (flag2)
				{
					Cell cell = this.cells[i, col - 1];
					Cell cell2 = this.cells[i, col];
					bool flag3 = cell != null && cell2 != null && !cell.MergeStartPos.IsEmpty && CellPosition.Equals(cell.MergeStartPos, cell2.MergeStartPos);
					if (flag3)
					{
						num4 = i;
						num5 = cell2.MergeEndPos.Row + 1;
						break;
					}
				}
			}
			this.FillVBorders(num, col, num4 - num, borderStyle, pos);
			bool flag4 = num5 != -1;
			if (flag4)
			{
				this.SetVBorders(num5, col, num3 - num5, borderStyle, pos);
			}
		}

		private void SetVBorder(int row, int col, int rowspan, RangeBorderStyle borderStyle, VBorderOwnerPosition pos)
		{
			bool flag = borderStyle == null;
			if (flag)
			{
				this.vBorders[row, col] = null;
			}
			else
			{
				ReoGridVBorder vborder = this.GetVBorder(row, col);
				vborder.Span = rowspan;
				vborder.Style = borderStyle;
				vborder.Pos |= pos;
			}
		}

		public void SetCellData(string addressOrName, object data)
		{
			bool flag = CellPosition.IsValidAddress(addressOrName);
			if (flag)
			{
				this.SetCellData(new CellPosition(addressOrName), data);
			}
			else
			{
				NamedRange namedRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out namedRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				this.SetCellData(namedRange.StartPos, data);
			}
		}

		public void SetCellData(CellPosition pos, object data)
		{
			this.SetCellData(pos.Row, pos.Col, data);
		}

		public void SetCellData(int row, int col, object data)
		{
			bool flag = row < 0 || row > this.rows.Count - 1;
			if (flag)
			{
				throw new ArgumentOutOfRangeException("row", "Number of row is out of the maximum rows, use either AppendRows or Resize to expend this worksheet.");
			}
			bool flag2 = col < 0 || col > this.cols.Count - 1;
			if (flag2)
			{
				throw new ArgumentOutOfRangeException("col", "Number of column is out of maximum columns, use either AppendCols or Resize to expend this worksheet.");
			}
			bool flag3 = data is Array;
			if (flag3)
			{
				Array array = (Array)data;
				bool flag4 = array.Rank == 1;
				if (flag4)
				{
					for (int i = col; i < Math.Min(col + array.Length, this.cols.Count); i++)
					{
						this.SetCellData(row, i, array.GetValue(i - col));
					}
				}
				else
				{
					bool flag5 = array.Rank == 2;
					if (!flag5)
					{
						throw new ArgumentException("Array with more than 2 ranks is not supported.");
					}
					int length = array.GetLength(0);
					int length2 = array.GetLength(1);
					this.SetRangeData(new RangePosition(row, col, length, length2), array);
				}
			}
			else
			{
				bool flag6 = data is IEnumerable<object>;
				if (flag6)
				{
					IEnumerable<object> enumerable = (IEnumerable<object>)data;
					int num = col;
					foreach (object data2 in enumerable)
					{
						this.SetCellData(row, num, data2);
						num++;
						bool flag7 = num >= this.cols.Count;
						if (flag7)
						{
							break;
						}
					}
				}
				else
				{
					bool flag8 = data is PartialGrid;
					if (flag8)
					{
						PartialGrid partialGrid = (PartialGrid)data;
						RangePosition toRange = new RangePosition(row, col, partialGrid.Rows, partialGrid.Columns);
						this.SetPartialGrid(toRange, partialGrid);
					}
					else
					{
						bool flag9 = data is DataTable;
						if (flag9)
						{
							DataTable dataTable = (DataTable)data;
							this.SetRangeData(new RangePosition(row, col, dataTable.Rows.Count, dataTable.Columns.Count), dataTable);
						}
						else
						{
							Cell cell = this.cells[row, col];
							bool flag10 = (data != null || cell != null) && (cell == null || cell.IsValidCell);
							if (flag10)
							{
								this.SetSingleCellData(this.CreateAndGetCell(row, col), data);
							}
						}
					}
				}
			}
		}

		internal void SetSingleCellData(Cell cell, object data)
		{
			bool flag = data is ICellBody;
			if (flag)
			{
				this.SetCellBody(cell, (ICellBody)data);
				data = cell.InnerData;
			}
			bool flag2 = data is string || data is StringBuilder;
			if (flag2)
			{
				string text = (data is string) ? ((string)data) : Convert.ToString(data);
				bool flag3 = text.Length > 1;
				if (flag3)
				{
					bool flag4 = text[0] == '\'';
					if (flag4)
					{
						this.ClearCellReferenceList(cell);
						this.RemoveCellTraceDependents(cell);
						this.RemoveCellTracePrecedents(cell);
						cell.formulaStatus = FormulaStatus.Normal;
						cell.InnerData = data;
						cell.InnerDisplay = text.Substring(1);
						this.AfterCellDataUpdate(cell, null);
						return;
					}
					bool flag5 = text[0] == '=';
					if (flag5)
					{
						this.SetCellFormula(cell, text.Substring(1));
						try
						{
							this.RecalcCell(cell, null);
						}
						catch (Exception ex)
						{
							this.NotifyExceptionHappen(ex);
						}
						return;
					}
				}
			}
			bool flag6 = this.formulaRanges.Count > 0;
			if (flag6)
			{
				this.ClearCellReferenceList(cell);
			}
			cell.InnerFormula = null;
			cell.formulaStatus = FormulaStatus.Normal;
			this.UpdateCellData(cell, data, null);
		}

		internal void UpdateCellData(Cell cell, object data, Stack<List<Cell>> dirtyCellStack = null)
		{
			bool flag = cell.body != null;
			if (flag)
			{
				data = cell.body.OnSetData(data);
			}
			cell.InnerData = data;
			bool flag2 = this.HasSettings(WorksheetSettings.Edit_AutoFormatCell);
			if (flag2)
			{
				DataFormatterManager.Instance.FormatCell(cell);
			}
			else
			{
				cell.InnerDisplay = Convert.ToString(data);
			}
			this.AfterCellDataUpdate(cell, dirtyCellStack);
		}

		private void AfterCellDataUpdate(Cell cell, Stack<List<Cell>> dirtyCellStack = null)
		{
			bool flag = (this.settings & WorksheetSettings.Formula_AutoUpdateReferenceCell) == WorksheetSettings.Formula_AutoUpdateReferenceCell;
			if (flag)
			{
				this.UpdateReferencedFormulaCells(cell, dirtyCellStack);
			}
			bool flag2 = cell.Data is RichText;
			if (flag2)
			{
				RichText richText = (RichText)cell.Data;
				richText.SuspendUpdateText();
				richText.Size = cell.Bounds.Size;
				richText.TextWrap = cell.InnerStyle.TextWrapMode;
				richText.ResumeUpdateText();
				richText.UpdateText();
			}
			else
			{
				cell.FontDirty = true;
			}
			bool flag3 = this.controlAdapter != null && !this.viewDirty && !this.suspendDataChangedEvent;
			if (flag3)
			{
				this.RequestInvalidate();
			}
			bool flag4 = !this.suspendDataChangedEvent;
			if (flag4)
			{
				ColumnHeader columnHeader = this.cols[cell.Column];
				bool flag5 = columnHeader.Body != null;
				if (flag5)
				{
					columnHeader.Body.OnDataChange(cell.Row, cell.Row);
				}
				this.RaiseCellDataChangedEvent(cell);
			}
		}

		public void SetCellBody(int row, int col, ICellBody body)
		{
			bool flag = row < 0;
			if (flag)
			{
				throw new ArgumentOutOfRangeException("row");
			}
			bool flag2 = row >= this.cells.RowCapacity;
			if (flag2)
			{
				throw new ArgumentOutOfRangeException("row");
			}
			bool flag3 = col < 0;
			if (flag3)
			{
				throw new ArgumentOutOfRangeException("col");
			}
			bool flag4 = col >= this.cells.ColCapacity;
			if (flag4)
			{
				throw new ArgumentOutOfRangeException("col");
			}
			Cell cell = this.cells[row, col];
			bool flag5 = cell == null;
			if (flag5)
			{
				bool flag6 = body == null;
				if (flag6)
				{
					return;
				}
				cell = this.CreateCell(row, col, true);
			}
			this.SetCellBody(cell, body);
		}

		public void SetCellBody(CellPosition pos, ICellBody body)
		{
			pos = this.FixPos(pos);
			this.SetCellBody(pos.Row, pos.Col, body);
		}

		public void SetCellBody(string address, ICellBody body)
		{
			bool flag = !CellPosition.IsValidAddress(address);
			if (flag)
			{
				throw new InvalidAddressException(address);
			}
			this.SetCellBody(new CellPosition(address), body);
		}

		internal void SetCellBody(Cell cell, ICellBody body)
		{
			cell.Body = body;
			this.RequestInvalidate();
		}

		public void RemoveCellBody(CellPosition pos)
		{
			this.RemoveCellBody(pos.Row, pos.Col);
		}

		public void RemoveCellBody(int row, int col)
		{
			Cell cell = this.cells[row, col];
			bool flag = cell != null;
			if (flag)
			{
				cell.body = null;
				this.RequestInvalidate();
			}
		}

		public object GetCellData(string addressOrName)
		{
			bool flag = CellPosition.IsValidAddress(addressOrName);
			object cellData;
			if (flag)
			{
				cellData = this.GetCellData(new CellPosition(addressOrName));
			}
			else
			{
				NamedRange namedRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out namedRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				cellData = this.GetCellData(namedRange.StartPos);
			}
			return cellData;
		}

		public object GetCellData(CellPosition pos)
		{
			return this.GetCellData(pos.Row, pos.Col);
		}

		public object GetCellData(int row, int col)
		{
			bool flag = row < 0 || row >= this.rows.Count;
			object result;
			if (flag)
			{
				result = null;
			}
			else
			{
				bool flag2 = col < 0 || col >= this.cols.Count;
				if (flag2)
				{
					result = null;
				}
				else
				{
					Cell cell = this.cells[row, col];
					result = ((cell == null) ? null : cell.InnerData);
				}
			}
			return result;
		}

		public T GetCellData<T>(string addressOrName)
		{
			bool flag = CellPosition.IsValidAddress(addressOrName);
			T cellData;
			if (flag)
			{
				cellData = this.GetCellData<T>(new CellPosition(addressOrName));
			}
			else
			{
				NamedRange namedRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out namedRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				cellData = this.GetCellData<T>(namedRange.StartPos);
			}
			return cellData;
		}

		public T GetCellData<T>(CellPosition pos)
		{
			return CellUtility.ConvertData<T>(this.GetCellData(pos));
		}

		public T GetCellData<T>(int row, int col)
		{
			return CellUtility.ConvertData<T>(this.GetCellData(row, col));
		}

		public bool TryGetNumberData(int row, int col, out double val)
		{
			Cell cell = this.cells[row, col];
			bool flag = cell == null;
			bool result;
			if (flag)
			{
				val = 0.0;
				result = false;
			}
			else
			{
				result = CellUtility.TryGetNumberData(cell.Data, out val);
			}
			return result;
		}

		public string GetCellText(string address)
		{
			bool flag = CellPosition.IsValidAddress(address);
			string cellText;
			if (flag)
			{
				cellText = this.GetCellText(new CellPosition(address));
			}
			else
			{
				bool flag2 = RangePosition.IsValidAddress(address);
				if (flag2)
				{
					cellText = this.GetCellText(new RangePosition(address).StartPos);
				}
				else
				{
					NamedRange namedRange = null;
					bool flag3 = NamedRange.IsValidName(address) && this.TryGetNamedRange(address, out namedRange);
					if (!flag3)
					{
						throw new InvalidAddressException(address);
					}
					cellText = this.GetCellText(namedRange.StartPos);
				}
			}
			return cellText;
		}

		public string GetCellText(CellPosition pos)
		{
			return this.GetCellText(pos.Row, pos.Col);
		}

		public string GetCellText(int row, int col)
		{
			Cell cell = this.cells[row, col];
			bool flag = cell == null;
			string result;
			if (flag)
			{
				result = string.Empty;
			}
			else
			{
				result = (string.IsNullOrEmpty(cell.DisplayText) ? string.Empty : cell.DisplayText);
			}
			return result;
		}

		public void SuspendDataChangedEvents()
		{
			this.suspendDataChangedEvent = true;
		}

		public void ResumeDataChangedEvents()
		{
			this.suspendDataChangedEvent = false;
			this.RequestInvalidate();
		}

		internal void RaiseCellDataChangedEvent(Cell cell)
		{
			bool flag = this.CellDataChanged != null;
			if (flag)
			{
				this.CellDataChanged(this, new CellEventArgs(cell));
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<CellEventArgs> CellDataChanged;

		public string StringifyRange(string addressOrName)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			string result;
			if (flag)
			{
				result = this.StringifyRange(new RangePosition(addressOrName));
			}
			else
			{
				NamedRange refRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out refRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				result = this.StringifyRange(refRange);
			}
			return result;
		}

		public string StringifyRange(RangePosition range)
		{
			int endRow = range.EndRow;
			int endCol = range.EndCol;
			StringBuilder stringBuilder = new StringBuilder();
			bool flag = true;
			for (int i = range.Row; i <= endRow; i++)
			{
				bool flag2 = flag;
				if (flag2)
				{
					flag = false;
				}
				else
				{
					stringBuilder.Append('\n');
				}
				bool flag3 = true;
				for (int j = range.Col; j <= endCol; j++)
				{
					bool flag4 = flag3;
					if (flag4)
					{
						flag3 = false;
					}
					else
					{
						stringBuilder.Append('\t');
					}
					Cell cell = this.cells[i, j];
					bool flag5 = cell != null;
					if (flag5)
					{
						string text = cell.DisplayText;
						bool flag6 = !string.IsNullOrEmpty(text);
						if (flag6)
						{
							bool flag7 = text.Contains('\n');
							if (flag7)
							{
								text = string.Format("\"{0}\"", text);
							}
							stringBuilder.Append(text);
						}
					}
				}
			}
			return stringBuilder.ToString();
		}

		public RangePosition PasteFromString(string address, string content)
		{
			bool flag = !CellPosition.IsValidAddress(address);
			if (flag)
			{
				throw new InvalidAddressException(address);
			}
			return this.PasteFromString(new CellPosition(address), content);
		}

		public RangePosition PasteFromString(CellPosition startPos, string content)
		{
			object[,] array = RGUtility.ParseTabbedString(content);
			int length = array.GetLength(0);
			int length2 = array.GetLength(1);
			RangePosition rangePosition = new RangePosition(startPos.Row, startPos.Col, length, length2);
			this.SetRangeData(rangePosition, array);
			return rangePosition;
		}

		public bool Copy()
		{
			bool isEditing = this.IsEditing;
			if (isEditing)
			{
				this.controlAdapter.EditControlCopy();
			}
			else
			{
				this.controlAdapter.ChangeCursor(CursorStyle.Busy);
				try
				{
					bool flag = this.BeforeCopy != null;
					if (flag)
					{
						BeforeRangeOperationEventArgs beforeRangeOperationEventArgs = new BeforeRangeOperationEventArgs(this.selectionRange);
						this.BeforeCopy(this, beforeRangeOperationEventArgs);
						bool isCancelled = beforeRangeOperationEventArgs.IsCancelled;
						if (isCancelled)
						{
							return false;
						}
					}
					this.currentCopingRange = this.selectionRange;
					string text = this.StringifyRange(this.currentCopingRange);
					bool flag2 = !string.IsNullOrEmpty(text);
					if (flag2)
					{
						Clipboard.SetData(new ValueTuple<CPF.Input.DataFormat, object>[]
						{
							new ValueTuple<CPF.Input.DataFormat, object>(CPF.Input.DataFormat.Text, text)
						});
					}
					bool flag3 = this.AfterCopy != null;
					if (flag3)
					{
						this.AfterCopy(this, new RangeEventArgs(this.selectionRange));
					}
				}
				catch (Exception ex)
				{
					this.NotifyExceptionHappen(ex);
					return false;
				}
				finally
				{
					this.controlAdapter.ChangeCursor(CursorStyle.PlatformDefault);
				}
			}
			return true;
		}

		public bool Paste()
		{
			bool isEditing = this.IsEditing;
			if (isEditing)
			{
				this.controlAdapter.EditControlPaste();
			}
			else
			{
				bool flag = this.HasSettings(WorksheetSettings.Edit_Readonly) || this.selectionRange.IsEmpty;
				if (flag)
				{
					return false;
				}
				try
				{
					this.controlAdapter.ChangeCursor(CursorStyle.Busy);
					PartialGrid partialGrid = null;
					string text = null;
					bool flag2 = Clipboard.Contains(CPF.Input.DataFormat.Text);
					if (flag2)
					{
						text = (string)Clipboard.GetData(CPF.Input.DataFormat.Text);
					}
					bool flag3 = partialGrid != null;
					if (flag3)
					{
						int startRow = this.selectionRange.Row;
						int startCol = this.selectionRange.Col;
						int num = partialGrid.Rows;
						int columns = partialGrid.Columns;
						int num2 = 1;
						int num3 = 1;
						bool flag4 = this.selectionRange.Rows % partialGrid.Rows == 0;
						if (flag4)
						{
							num = this.selectionRange.Rows;
							num2 = this.selectionRange.Rows / partialGrid.Rows;
						}
						bool flag5 = this.selectionRange.Cols % partialGrid.Columns == 0;
						if (flag5)
						{
							columns = this.selectionRange.Cols;
							num3 = this.selectionRange.Cols / partialGrid.Columns;
						}
						RangePosition range = new RangePosition(startRow, startCol, num, columns);
						bool flag6 = !this.RaiseBeforePasteEvent(range);
						if (flag6)
						{
							return false;
						}
						bool flag7 = range.EndRow >= this.rows.Count || range.EndCol >= this.cols.Count;
						if (flag7)
						{
							return false;
						}
						bool flag8 = this.CheckRangeReadonly(range);
						if (flag8)
						{
							this.NotifyExceptionHappen(new OperationOnReadonlyCellException("specified range contains readonly cell"));
							return false;
						}
						bool flag9 = false;
						bool flag10 = partialGrid.Cells != null;
						if (flag10)
						{
							try
							{
								int num4;
								int rr;
								for (rr = 0; rr < num2; rr = num4 + 1)
								{
									int cc;
									for (cc = 0; cc < num3; cc = num4 + 1)
									{
										partialGrid.Cells.Iterate(delegate(int row, int col, Cell cell)
										{
											bool isMergedCell = cell.IsMergedCell;
											if (isMergedCell)
											{
												for (int i = startRow; i < cell.MergeEndPos.Row - cell.InternalRow + startRow + 1; i++)
												{
													for (int j = startCol; j < cell.MergeEndPos.Col - cell.InternalCol + startCol + 1; j++)
													{
														int row2 = i + rr * partialGrid.Rows;
														int col2 = j + cc * partialGrid.Columns;
														Cell cell2 = this.cells[row2, col2];
														bool flag18 = cell2 != null;
														if (flag18)
														{
															bool flag19 = (cell2.Rowspan == 0 && cell2.Colspan == 0) || cell2.IsMergedCell;
															if (flag19)
															{
																throw new RangeIntersectionException(this.selectionRange);
															}
															bool isReadOnly = cell2.IsReadOnly;
															if (isReadOnly)
															{
																throw new CellDataReadonlyException(cell.InternalPos);
															}
														}
													}
												}
											}
											return (int)Math.Min(cell.Colspan, (short)1);
										});
										num4 = cc;
									}
									num4 = rr;
								}
							}
							catch (Exception ex)
							{
								flag9 = true;
								bool flag11 = this.OnPasteError != null;
								if (flag11)
								{
									this.OnPasteError(this, new RangeOperationErrorEventArgs(this.selectionRange, ex));
								}
							}
						}
						bool flag12 = !flag9;
						if (flag12)
						{
							this.DoAction(new SetPartialGridAction(new RangePosition(startRow, startCol, num, columns), partialGrid));
						}
					}
					else
					{
						bool flag13 = !string.IsNullOrEmpty(text);
						if (flag13)
						{
							object[,] array = RGUtility.ParseTabbedString(text);
							int num5 = Math.Max(this.selectionRange.Rows, array.GetLength(0));
							int num6 = Math.Max(this.selectionRange.Cols, array.GetLength(1));
							RangePosition range2 = new RangePosition(this.selectionRange.Row, this.selectionRange.Col, num5, num6);
							bool flag14 = !this.RaiseBeforePasteEvent(range2);
							if (flag14)
							{
								return false;
							}
							bool flag15 = this.controlAdapter != null;
							if (flag15)
							{
								IActionControl actionControl = this.controlAdapter.ControlInstance as IActionControl;
								bool flag16 = actionControl != null;
								if (flag16)
								{
									actionControl.DoAction(this, new SetRangeDataAction(range2, array));
								}
							}
						}
					}
				}
				catch (Exception ex2)
				{
					this.NotifyExceptionHappen(ex2);
				}
				finally
				{
					this.controlAdapter.ChangeCursor(CursorStyle.Selection);
					this.RequestInvalidate();
				}
				bool flag17 = this.AfterPaste != null;
				if (flag17)
				{
					this.AfterPaste(this, new RangeEventArgs(this.selectionRange));
				}
			}
			return true;
		}

		private bool RaiseBeforePasteEvent(RangePosition range)
		{
			bool flag = this.BeforePaste != null;
			if (flag)
			{
				BeforeRangeOperationEventArgs beforeRangeOperationEventArgs = new BeforeRangeOperationEventArgs(range);
				this.BeforePaste(this, beforeRangeOperationEventArgs);
				bool isCancelled = beforeRangeOperationEventArgs.IsCancelled;
				if (isCancelled)
				{
					return false;
				}
			}
			return true;
		}

		public bool Cut(bool byAction = true)
		{
			bool isEditing = this.IsEditing;
			if (isEditing)
			{
				this.controlAdapter.EditControlCut();
			}
			else
			{
				bool flag = !this.Copy();
				if (flag)
				{
					return false;
				}
				bool flag2 = this.BeforeCut != null;
				if (flag2)
				{
					BeforeRangeOperationEventArgs beforeRangeOperationEventArgs = new BeforeRangeOperationEventArgs(this.selectionRange);
					this.BeforeCut(this, beforeRangeOperationEventArgs);
					bool isCancelled = beforeRangeOperationEventArgs.IsCancelled;
					if (isCancelled)
					{
						return false;
					}
				}
				bool flag3 = !this.HasSettings(WorksheetSettings.Edit_Readonly);
				if (flag3)
				{
				}
				bool flag4 = this.AfterCut != null;
				if (flag4)
				{
					this.AfterCut(this, new RangeEventArgs(this.selectionRange));
				}
			}
			return true;
		}

		public bool CanCopy()
		{
			return true;
		}

		public bool CanCut()
		{
			return true;
		}

		public bool CanPaste()
		{
			return true;
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<BeforeRangeOperationEventArgs> BeforePaste;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<RangeEventArgs> AfterPaste;

		[Obsolete("use ReoGridControl.ErrorHappened instead")]
		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<RangeOperationErrorEventArgs> OnPasteError;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<BeforeRangeOperationEventArgs> BeforeCopy;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<RangeEventArgs> AfterCopy;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<BeforeRangeOperationEventArgs> BeforeCut;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<RangeEventArgs> AfterCut;

		internal bool TryGetCellComment(Cell cell, out CellComment comment)
		{
			bool flag = this.cellComments != null;
			bool result;
			if (flag)
			{
				result = this.cellComments.TryGetValue(cell, out comment);
			}
			else
			{
				comment = null;
				result = false;
			}
			return result;
		}

		internal void AddCellCommentIfNotExist(Cell cell)
		{
			bool flag = this.cellComments == null;
			if (flag)
			{
				this.cellComments = new Dictionary<Cell, CellComment>();
			}
			bool flag2 = !this.cellComments.ContainsKey(cell);
			if (flag2)
			{
				this.cellComments[cell] = new CellComment(cell);
			}
		}

		internal void RemoveCellComment(Cell cell)
		{
			bool flag = this.cellComments != null;
			if (flag)
			{
				this.cellComments.Remove(cell);
				this.visibleCellComments.Remove(cell);
			}
		}

		public void LoadCSV(string path)
		{
			this.LoadCSV(path, RangePosition.EntireRange);
		}

		public void LoadCSV(string path, RangePosition targetRange)
		{
			this.LoadCSV(path, Encoding.Default, targetRange);
		}

		public void LoadCSV(string path, Encoding encoding)
		{
			this.LoadCSV(path, encoding, RangePosition.EntireRange);
		}

		public void LoadCSV(string path, Encoding encoding, RangePosition targetRange)
		{
			using (FileStream fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
			{
				this.LoadCSV(fileStream, encoding, targetRange);
			}
		}

		public void LoadCSV(Stream s)
		{
			this.LoadCSV(s, Encoding.Default);
		}

		public void LoadCSV(Stream s, RangePosition targetRange)
		{
			this.LoadCSV(s, Encoding.Default, targetRange);
		}

		public void LoadCSV(Stream s, Encoding encoding)
		{
			this.LoadCSV(s, encoding, RangePosition.EntireRange);
		}

		public void LoadCSV(Stream s, Encoding encoding, RangePosition targetRange)
		{
			this.LoadCSV(s, encoding, targetRange, targetRange.IsEntire, 256);
		}

		public void LoadCSV(Stream s, Encoding encoding, RangePosition targetRange, bool autoSpread, int bufferLines)
		{
			IControlAdapter controlAdapter = this.controlAdapter;
			if (controlAdapter != null)
			{
				controlAdapter.ChangeCursor(CursorStyle.Busy);
			}
			try
			{
				CSVFileFormatProvider csvfileFormatProvider = new CSVFileFormatProvider();
				CSVFormatArgument arg = new CSVFormatArgument
				{
					AutoSpread = autoSpread,
					BufferLines = bufferLines,
					TargetRange = targetRange
				};
				this.Clear();
				csvfileFormatProvider.Load(this.workbook, s, encoding, arg);
			}
			finally
			{
				IControlAdapter controlAdapter2 = this.controlAdapter;
				if (controlAdapter2 != null)
				{
					controlAdapter2.ChangeCursor(CursorStyle.PlatformDefault);
				}
			}
		}

		public void ExportAsCSV(string path, int startRow = 0, Encoding encoding = null)
		{
			this.ExportAsCSV(path, new RangePosition(startRow, 0, -1, -1), encoding);
		}

		public void ExportAsCSV(string path, string addressOrName, Encoding encoding = null)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			if (flag)
			{
				this.ExportAsCSV(path, new RangePosition(addressOrName), encoding);
			}
			else
			{
				NamedRange refRange;
				bool flag2 = this.TryGetNamedRange(addressOrName, out refRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				this.ExportAsCSV(path, refRange, encoding);
			}
		}

		public void ExportAsCSV(string path, RangePosition range, Encoding encoding = null)
		{
			using (FileStream fileStream = new FileStream(path, FileMode.Create, FileAccess.Write))
			{
				this.ExportAsCSV(fileStream, range, encoding);
			}
		}

		public void ExportAsCSV(Stream s, int startRow = 0, Encoding encoding = null)
		{
			this.ExportAsCSV(s, new RangePosition(startRow, 0, -1, -1), encoding);
		}

		public void ExportAsCSV(Stream s, string addressOrName, Encoding encoding = null)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			if (flag)
			{
				this.ExportAsCSV(s, new RangePosition(addressOrName), encoding);
			}
			else
			{
				NamedRange refRange;
				bool flag2 = this.TryGetNamedRange(addressOrName, out refRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				this.ExportAsCSV(s, refRange, encoding);
			}
		}

		public void ExportAsCSV(Stream s, RangePosition range, Encoding encoding = null)
		{
			range = this.FixRange(range);
			int num = Math.Min(range.EndRow, this.MaxContentRow);
			int num2 = Math.Min(range.EndCol, this.MaxContentCol);
			bool flag = encoding == null;
			if (flag)
			{
				encoding = Encoding.Default;
			}
			using (StreamWriter streamWriter = new StreamWriter(s, encoding))
			{
				StringBuilder stringBuilder = new StringBuilder();
				for (int i = range.Row; i <= num; i++)
				{
					bool flag2 = stringBuilder.Length > 0;
					if (flag2)
					{
						streamWriter.WriteLine(stringBuilder.ToString());
						stringBuilder.Length = 0;
					}
					int j = range.Col;
					while (j <= num2)
					{
						bool flag3 = stringBuilder.Length > 0;
						if (flag3)
						{
							stringBuilder.Append(',');
						}
						Cell cell = this.GetCell(i, j);
						bool flag4 = cell == null || !cell.IsValidCell;
						if (flag4)
						{
							j++;
						}
						else
						{
							object data = cell.Data;
							bool flag5 = false;
							string text = data as string;
							bool flag6 = text != null;
							if (flag6)
							{
								bool flag7 = !string.IsNullOrEmpty(text) && (cell.DataFormat == CellDataFormatFlag.Text || text.IndexOf(',') >= 0 || text.IndexOf('"') >= 0 || text.StartsWith(" ") || text.EndsWith(" "));
								if (flag7)
								{
									flag5 = true;
								}
							}
							else
							{
								text = Convert.ToString(data);
							}
							bool flag8 = flag5;
							if (flag8)
							{
								stringBuilder.Append('"');
								stringBuilder.Append(text.Replace("\"", "\"\""));
								stringBuilder.Append('"');
							}
							else
							{
								stringBuilder.Append(text);
							}
							j += (int)cell.Colspan;
						}
					}
				}
				bool flag9 = stringBuilder.Length > 0;
				if (flag9)
				{
					streamWriter.WriteLine(stringBuilder.ToString());
					stringBuilder.Length = 0;
				}
			}
		}

		public void AutoFillSerial(string fromAddressOrName, string toAddressOrName)
		{
			NamedRange namedRange;
			bool flag = this.TryGetNamedRange(fromAddressOrName, out namedRange);
			RangePosition position;
			if (flag)
			{
				position = namedRange.Position;
			}
			else
			{
				bool flag2 = RangePosition.IsValidAddress(fromAddressOrName);
				if (!flag2)
				{
					throw new InvalidAddressException(fromAddressOrName);
				}
				position = new RangePosition(fromAddressOrName);
			}
			NamedRange namedRange2;
			bool flag3 = this.TryGetNamedRange(toAddressOrName, out namedRange2);
			RangePosition position2;
			if (flag3)
			{
				position2 = namedRange2.Position;
			}
			else
			{
				bool flag4 = RangePosition.IsValidAddress(toAddressOrName);
				if (!flag4)
				{
					throw new InvalidAddressException(toAddressOrName);
				}
				position2 = new RangePosition(toAddressOrName);
			}
			this.AutoFillSerial(position, position2);
		}

		public void AutoFillSerial(RangePosition fromRange, RangePosition toRange)
		{
			fromRange = this.FixRange(fromRange);
			toRange = this.FixRange(toRange);
			bool flag = fromRange.IntersectWith(toRange);
			if (flag)
			{
				throw new ArgumentException("fromRange and toRange cannot being intersected.");
			}
			bool flag2 = toRange != this.CheckMergedRange(toRange);
			if (flag2)
			{
				throw new ArgumentException("cannot change a part of merged range.");
			}
			bool flag3 = this.CheckRangeReadonly(toRange);
			if (flag3)
			{
				throw new RangeContainsReadonlyCellsException(toRange);
			}
			bool flag4 = fromRange.Col == toRange.Col && fromRange.Cols == toRange.Cols;
			if (flag4)
			{
				for (int i = toRange.Col; i <= toRange.EndCol; i++)
				{
					List<CellPosition> fromCells = this.GetColumnCellPositionsFromRange(fromRange, i);
					List<CellPosition> toCells = this.GetColumnCellPositionsFromRange(toRange, i);
					this.AutoFillSerialCells(fromCells, toCells);
				}
			}
			else
			{
				bool flag5 = fromRange.Row == toRange.Row && fromRange.Rows == toRange.Rows;
				if (!flag5)
				{
					throw new InvalidOperationException("The fromRange and toRange must be having same number of rows or same number of columns.");
				}
				for (int j = toRange.Row; j <= toRange.EndRow; j++)
				{
					List<CellPosition> fromCells = this.GetRowCellPositionsFromRange(fromRange, j);
					List<CellPosition> toCells = this.GetRowCellPositionsFromRange(toRange, j);
					this.AutoFillSerialCells(fromCells, toCells);
				}
			}
		}

		private List<CellPosition> GetColumnCellPositionsFromRange(RangePosition fromRange, int columnIndex)
		{
			List<CellPosition> result = new List<CellPosition>();
			for (int i = fromRange.Row; i < fromRange.EndRow + 1; i++)
			{
				CellPosition cellPosition = new CellPosition(i, columnIndex);
				this.AddCellIfValid(cellPosition, result);
			}
			return result;
		}

		private List<CellPosition> GetRowCellPositionsFromRange(RangePosition fromRange, int rowIndex)
		{
			List<CellPosition> result = new List<CellPosition>();
			for (int i = fromRange.Col; i < fromRange.EndCol + 1; i++)
			{
				CellPosition cellPosition = new CellPosition(rowIndex, i);
				this.AddCellIfValid(cellPosition, result);
			}
			return result;
		}

		private void AddCellIfValid(CellPosition cellPosition, List<CellPosition> result)
		{
			Cell cell = this.Cells[cellPosition];
			bool flag = cell != null && !cell.IsValidCell;
			if (!flag)
			{
				result.Add(cellPosition);
			}
		}

		private void AutoFillSerialCells(List<CellPosition> fromCells, List<CellPosition> toCells)
		{
			bool flag = !fromCells.Any<CellPosition>() || !toCells.Any<CellPosition>();
			if (!flag)
			{
				List<object> values = (from cellPosition in fromCells
				select this[cellPosition]).ToList<object>();
				AutoFillSequence autoFillSequence = new AutoFillSequence(values);
				object[] array = autoFillSequence.Extrapolate(toCells.Count);
				for (int i = 0; i < toCells.Count; i++)
				{
					int index = i % fromCells.Count;
					CellPosition cellPosition3 = fromCells[index];
					Cell cell = this.Cells[cellPosition3];
					CellPosition cellPosition2 = toCells[i];
					Cell cell2 = this.Cells[cellPosition2];
					bool flag2 = !string.IsNullOrEmpty((cell != null) ? cell.InnerFormula : null);
					if (flag2)
					{
						FormulaRefactor.Reuse(this, cellPosition3, new RangePosition(cellPosition2));
					}
					else
					{
						cell2.Data = array[i];
					}
				}
			}
		}

		public void SetRangeDataFormat(string addressOrName, CellDataFormatFlag format, object dataFormatArgs = null)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			if (flag)
			{
				this.SetRangeDataFormat(new RangePosition(addressOrName), format, dataFormatArgs);
			}
			else
			{
				NamedRange refRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out refRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				this.SetRangeDataFormat(refRange, format, dataFormatArgs);
			}
		}

		public void SetRangeDataFormat(int row, int col, int rows, int cols, CellDataFormatFlag format, object dataFormatArgs = null)
		{
			this.SetRangeDataFormat(new RangePosition(row, col, rows, cols), format, dataFormatArgs);
		}

		public void SetRangeDataFormat(RangePosition range, CellDataFormatFlag format, object dataFormatArgs = null)
		{
			RangePosition rangePosition = this.FixRange(range);
			int endRow = rangePosition.EndRow;
			int endCol = rangePosition.EndCol;
			List<Cell> list = new List<Cell>(10);
			for (int i = rangePosition.Row; i <= endRow; i++)
			{
				Cell cell;
				for (int j = rangePosition.Col; j <= endCol; j += (int)((cell.Colspan > 1) ? cell.Colspan : 1))
				{
					cell = this.CreateAndGetCell(i, j);
					this.SetCellDataFormat(cell, format, ref dataFormatArgs, list);
				}
			}
			foreach (Cell cell2 in list)
			{
				this.RecalcCell(cell2, null);
			}
			this.RequestInvalidate();
		}

		internal void SetCellDataFormat(CellPosition pos, CellDataFormatFlag format, ref object dataFormatArgs)
		{
			this.SetCellDataFormat(this.CreateAndGetCell(pos), format, ref dataFormatArgs, null);
		}

		internal void SetCellDataFormat(Cell cell, CellDataFormatFlag format, ref object dataFormatArgs, List<Cell> formulaDirtyCells = null)
		{
			cell.DataFormat = format;
			cell.DataFormatArgs = dataFormatArgs;
			DataFormatterManager.Instance.FormatCell(cell);
			StyleUtility.UpdateCellRenderAlign(this, cell);
			this.UpdateCellTextBounds(cell);
			bool flag = formulaDirtyCells != null;
			if (flag)
			{
				Func<ReferenceRange, bool> callFunc = null;
				foreach (KeyValuePair<Cell, List<ReferenceRange>> keyValuePair in this.formulaRanges)
				{
					IEnumerable<ReferenceRange> value = keyValuePair.Value;
					Func<ReferenceRange, bool> predicate;
					if ((predicate = callFunc) == null)
					{
						predicate = (callFunc = ((ReferenceRange rr) => rr.Contains(cell.InternalPos)));
					}
					bool flag2 = value.Any(predicate);
					if (flag2)
					{
						bool flag3 = !formulaDirtyCells.Contains(keyValuePair.Key);
						if (flag3)
						{
							formulaDirtyCells.Add(keyValuePair.Key);
						}
					}
				}
			}
		}

		public CellDataFormatFlag GetCellDataFormat(string addressOrName, out object dataFormatArgs)
		{
			bool flag = CellPosition.IsValidAddress(addressOrName);
			CellDataFormatFlag cellDataFormat;
			if (flag)
			{
				cellDataFormat = this.GetCellDataFormat(new CellPosition(addressOrName), out dataFormatArgs);
			}
			else
			{
				RangePosition rangePosition;
				bool flag2 = this.TryGetNamedRangePosition(addressOrName, out rangePosition);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				cellDataFormat = this.GetCellDataFormat(rangePosition.StartPos, out dataFormatArgs);
			}
			return cellDataFormat;
		}

		public CellDataFormatFlag GetCellDataFormat(CellPosition pos, out object dataFormatArgs)
		{
			pos = this.FixPos(pos);
			Cell cell = this.cells[pos.Row, pos.Col];
			bool flag = cell == null;
			CellDataFormatFlag result;
			if (flag)
			{
				dataFormatArgs = null;
				result = CellDataFormatFlag.General;
			}
			else
			{
				result = this.GetCellDataFormat(cell, out dataFormatArgs);
			}
			return result;
		}

		internal CellDataFormatFlag GetCellDataFormat(Cell cell, out object dataFormatArgs)
		{
			dataFormatArgs = cell.DataFormatArgs;
			return cell.DataFormat;
		}

		public void DeleteRangeDataFormat(RangePosition range)
		{
			RangePosition rangePosition = this.FixRange(range);
			for (int i = rangePosition.Row; i <= rangePosition.EndRow; i++)
			{
				int j = rangePosition.Col;
				while (j <= rangePosition.EndCol)
				{
					Cell cell = this.cells[i, j];
					bool flag = cell == null;
					if (flag)
					{
						j++;
					}
					else
					{
						cell.DataFormat = CellDataFormatFlag.General;
						cell.DataFormatArgs = null;
						bool isValidCell = cell.IsValidCell;
						if (isValidCell)
						{
							DataFormatterManager.Instance.FormatCell(cell);
							StyleUtility.UpdateCellRenderAlign(this, cell);
							this.UpdateCellTextBounds(cell);
							j += (int)((cell.Colspan > 1) ? cell.Colspan : 1);
						}
						else
						{
							j++;
						}
					}
				}
			}
		}

		public IFloatingObjectCollection<IDrawingObject> FloatingObjects
		{
			get
			{
				return this.drawingCanvas.Children;
			}
		}

		public AutoColumnFilter CreateColumnFilter(string startColumn, string endColumn, int titleRows = 0, AutoColumnFilterUI columnFilterUI = AutoColumnFilterUI.DropdownButtonAndPanel)
		{
			int numberOfChar = RGUtility.GetNumberOfChar(startColumn);
			int numberOfChar2 = RGUtility.GetNumberOfChar(endColumn);
			return this.CreateColumnFilter(numberOfChar, numberOfChar2, titleRows, columnFilterUI);
		}

		public AutoColumnFilter CreateColumnFilter(int column, int titleRows, AutoColumnFilterUI columnFilterUI)
		{
			return this.CreateColumnFilter(column, column, titleRows, columnFilterUI);
		}

		public AutoColumnFilter CreateColumnFilter(int startColumn, int endColumn, int titleRows = 0, AutoColumnFilterUI columnFilterUI = AutoColumnFilterUI.DropdownButtonAndPanel)
		{
			bool flag = startColumn < 0 || startColumn >= this.ColumnCount;
			if (flag)
			{
				throw new ArgumentOutOfRangeException("startColumn", "number of column start to filter out of valid spreadsheet range");
			}
			bool flag2 = endColumn < startColumn;
			if (flag2)
			{
				throw new ArgumentOutOfRangeException("endColumn", "end column must be greater than start column");
			}
			bool flag3 = endColumn >= this.ColumnCount;
			if (flag3)
			{
				throw new ArgumentOutOfRangeException("endColumn", "end column out of valid spreadsheet range");
			}
			return this.CreateColumnFilter(new RangePosition(titleRows, startColumn, this.MaxContentRow - titleRows + 1, endColumn - startColumn + 1), columnFilterUI);
		}

		public AutoColumnFilter CreateColumnFilter(RangePosition range, AutoColumnFilterUI columnFilterUI = AutoColumnFilterUI.DropdownButtonAndPanel)
		{
			AutoColumnFilter autoColumnFilter = new AutoColumnFilter(this, this.FixRange(range));
			autoColumnFilter.Attach(this, columnFilterUI);
			return autoColumnFilter;
		}

		public void DoFilter(RangePosition range, Func<int, bool> filter)
		{
			try
			{
				this.controlAdapter.ChangeCursor(CursorStyle.Busy);
				this.SetRowsHeight(range.Row, range.Rows, delegate(int r)
				{
					bool flag2 = filter(r);
					bool flag3 = flag2;
					int result;
					if (flag3)
					{
						RowHeader rowHeader = this.RetrieveRowHeader(r);
						result = (int)((rowHeader.InnerHeight == 0) ? rowHeader.LastHeight : rowHeader.InnerHeight);
					}
					else
					{
						result = 0;
					}
					return result;
				}, true);
			}
			finally
			{
				bool flag = this.controlAdapter != null;
				if (flag)
				{
					this.ControlAdapter.ChangeCursor(CursorStyle.PlatformDefault);
				}
			}
			EventHandler rowsFiltered = this.RowsFiltered;
			if (rowsFiltered != null)
			{
				rowsFiltered(this, null);
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler RowsFiltered;

		public RangePosition SortColumn(string columnAddress, SortOrder order = SortOrder.Ascending, CellElementFlag moveElementFlag = CellElementFlag.Data, Func<object, object, int> cellDataComparer = null)
		{
			return this.SortColumn(RGUtility.GetNumberOfChar(columnAddress), order, moveElementFlag, cellDataComparer);
		}

		public RangePosition SortColumn(int columnIndex, SortOrder order = SortOrder.Ascending, CellElementFlag moveElementFlag = CellElementFlag.Data, Func<object, object, int> cellDataComparer = null)
		{
			return this.SortColumn(columnIndex, 0, this.MaxContentRow, 0, this.MaxContentCol, order, moveElementFlag, cellDataComparer);
		}

		public RangePosition SortColumn(int columnIndex, int titleRows, SortOrder order = SortOrder.Ascending, CellElementFlag moveElementFlag = CellElementFlag.Data, Func<object, object, int> cellDataComparer = null)
		{
			return this.SortColumn(columnIndex, titleRows, this.MaxContentRow, 0, this.MaxContentCol, order, moveElementFlag, cellDataComparer);
		}

		public RangePosition SortColumn(int columnIndex, int startRow, int endRow, int startColumn, int endColumn, SortOrder order = SortOrder.Ascending, CellElementFlag moveElementFlag = CellElementFlag.Data, Func<object, object, int> cellDataComparer = null)
		{
			return this.SortColumn(columnIndex, new RangePosition(startRow, startColumn, this.MaxContentRow - startRow + 1, endColumn - startColumn + 1), order, cellDataComparer);
		}

		public RangePosition SortColumn(int columnIndex, string applyRange, SortOrder order = SortOrder.Ascending, CellElementFlag moveElementFlag = CellElementFlag.Data, Func<object, object, int> cellDataComparer = null)
		{
			bool flag = RangePosition.IsValidAddress(applyRange);
			RangePosition result;
			if (flag)
			{
				result = this.SortColumn(columnIndex, new RangePosition(applyRange), order, cellDataComparer);
			}
			else
			{
				RangePosition applyRange2;
				bool flag2 = this.TryGetNamedRangePosition(applyRange, out applyRange2);
				if (!flag2)
				{
					throw new InvalidAddressException(applyRange);
				}
				result = this.SortColumn(columnIndex, applyRange2, order, cellDataComparer);
			}
			return result;
		}

		public RangePosition SortColumn(int columnIndex, RangePosition applyRange, SortOrder order = SortOrder.Ascending, Func<object, object, int> cellDataComparer = null)
		{
			RangePosition range = this.FixRange(applyRange);
			RangePosition empty = RangePosition.Empty;
			bool flag = cellDataComparer != null;
			if (flag)
			{
			}
			Stopwatch stopwatch = Stopwatch.StartNew();
			this.SuspendDataChangedEvents();
			try
			{
				this.controlAdapter.ChangeCursor(CursorStyle.Busy);
				bool flag2 = !this.CheckQuickSortRange(range.Row, range.EndRow, range.Col, range.EndCol);
				if (flag2)
				{
					throw new InvalidOperationException("Cannot change a part of range, all cells should be having same colspan on column.");
				}
				IComparer<object> comparer2;
				if (cellDataComparer != null)
				{
					IComparer<object> comparer = new CellComparerAdapter(cellDataComparer, order);
					comparer2 = comparer;
				}
				else
				{
					IComparer<object> comparer = new CellComparer(order);
					comparer2 = comparer;
				}
				IComparer<object> cellComparer = comparer2;
				object[,] sortedData = this.GetSortedData(columnIndex, range.Row, range.EndRow, range.Col, range.EndCol, ref empty, cellComparer, order);
				this.DoAction(new SetSortedRangeDataAction(range, sortedData));
				stopwatch.Stop();
				bool flag3 = stopwatch.ElapsedMilliseconds > 10L;
				if (flag3)
				{
					Debug.WriteLine("sort column by {0} on [{1}-{2}]: {3} ms", new object[]
					{
						columnIndex,
						range.Col,
						range.EndCol,
						stopwatch.ElapsedMilliseconds
					});
				}
			}
			finally
			{
				this.ResumeDataChangedEvents();
			}
			this.RequestInvalidate();
			this.controlAdapter.ChangeCursor(CursorStyle.PlatformDefault);
			bool flag4 = !empty.IsEmpty;
			if (flag4)
			{
				for (int i = empty.Col; i <= empty.EndCol; i++)
				{
					ColumnHeader columnHeader = this.cols[i];
					bool flag5 = columnHeader.Body != null;
					if (flag5)
					{
						columnHeader.Body.OnDataChange(empty.Row, empty.EndRow);
					}
				}
				this.RaiseRangeDataChangedEvent(empty);
				EventHandler<RangeEventArgs> rowsSorted = this.RowsSorted;
				if (rowsSorted != null)
				{
					rowsSorted(this, new RangeEventArgs(empty));
				}
			}
			return empty;
		}

		private bool CheckQuickSortRange(int row, int endRow, int col, int endCol)
		{
			for (int i = col; i <= endCol; i++)
			{
				Cell cell = this.cells[row, i];
				for (int j = row + 1; j <= endRow; j++)
				{
					Cell cell2 = this.cells[j, i];
					bool flag = cell != null && cell2 != null && ((cell.IsValidCell && !cell2.IsValidCell) || (!cell.IsValidCell && cell2.IsValidCell));
					if (flag)
					{
						return false;
					}
				}
			}
			return true;
		}

		private object[,] GetSortedData(int columnIndex, int startRow, int endRow, int startColumn, int endColumn, ref RangePosition affectRange, IComparer<object> cellComparer, SortOrder sortOrder)
		{
			bool isEmpty = affectRange.IsEmpty;
			if (isEmpty)
			{
				affectRange.Col = startColumn;
				affectRange.EndCol = endColumn;
			}
			int num = int.MaxValue;
			int num2 = int.MinValue;
			object[,] array = new object[endRow - startRow + 1, endColumn - startColumn + 1];
			var source = from x in Enumerable.Range(startRow, endRow - startRow + 1)
			select new
			{
				Cells = (from y in Enumerable.Range(startColumn, endColumn - startColumn + 1)
				select this.cells[x, y]).ToArray<Cell>()
			};
			int columnRangeIndex = columnIndex - startColumn;
			source = ((sortOrder == SortOrder.Ascending) ? source.OrderBy(x=>
			{
				Cell cell3 = x.Cells[columnRangeIndex];
				return (cell3 != null) ? cell3.InnerData : null;
			}, cellComparer) : source.OrderByDescending(x =>
            {
				Cell cell3 = x.Cells[columnRangeIndex];
				return (cell3 != null) ? cell3.InnerData : null;
			}, cellComparer));
			var array2 = source.ToArray();
			for (int i = 0; i < array2.Length; i++)
			{
				var fAnonymousType = array2[i];
				for (int j = 0; j < endColumn - startColumn + 1; j++)
				{
					Cell cell = fAnonymousType.Cells[j];
					object obj = (cell != null) ? cell.InnerData : null;
					bool flag;
					if (obj == null)
					{
						Cell cell2 = this.cells[i + startRow, j + startColumn];
						flag = (((cell2 != null) ? cell2.InnerData : null) == null);
					}
					else
					{
						flag = false;
					}
					bool flag2 = flag;
					if (!flag2)
					{
						array[i, j] = obj;
						bool flag3 = num > i + startRow;
						if (flag3)
						{
							num = i + startRow;
						}
						bool flag4 = num2 < i + startRow;
						if (flag4)
						{
							num2 = i + startRow;
						}
					}
				}
			}
			affectRange.Row = ((num == int.MaxValue) ? 0 : num);
			affectRange.EndRow = ((num2 == int.MinValue) ? 0 : num2);
			return (!new RangePosition(startRow, startColumn, endRow - startRow + 1, endColumn - startColumn + 1).Equals(affectRange)) ? ((object[,])Worksheet.ResizeArray(array, new int[]
			{
				affectRange.Rows,
				affectRange.Cols
			})) : array;
		}

		private static Array ResizeArray(Array arr, int[] newSizes)
		{
			bool flag = newSizes.Length != arr.Rank;
			if (flag)
			{
				throw new ArgumentException("Array must have the same number of dimensions as there are elements in newSizes", "newSizes");
			}
			Array array = Array.CreateInstance(arr.GetType().GetElementType(), newSizes);
			int length = (arr.Length <= array.Length) ? arr.Length : array.Length;
			Array.ConstrainedCopy(arr, 0, array, 0, length);
			return array;
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<RangeEventArgs> RowsSorted;

		public void SetCellFormula(string addressOrName, string formula)
		{
			bool flag = CellPosition.IsValidAddress(addressOrName);
			if (flag)
			{
				this.SetCellFormula(new CellPosition(addressOrName), formula);
			}
			else
			{
				NamedRange namedRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out namedRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				this.SetCellFormula(namedRange.StartPos, formula);
			}
		}

		public void SetCellFormula(int row, int col, string formula)
		{
			this.SetCellFormula(this.CreateAndGetCell(row, col), formula);
		}

		public void SetCellFormula(CellPosition pos, string formula)
		{
			this.SetCellFormula(pos.Row, pos.Col, formula);
		}

		internal void SetCellFormula(Cell cell, string formula)
		{
			cell.InnerFormula = formula;
			this.ClearCellReferenceList(cell);
			cell.formulaStatus = FormulaStatus.Normal;
			STNode stnode = null;
			try
			{
				stnode = Parser.Parse(this.workbook, cell, formula);
			}
			catch (Exception ex)
			{
				cell.formulaStatus = FormulaStatus.SyntaxError;
				this.NotifyExceptionHappen(ex);
			}
			bool flag = stnode != null;
			if (flag)
			{
				this.SetCellFormula(cell, stnode);
			}
		}

		internal void SetCellFormula(Cell cell, STNode node)
		{
			cell.formulaStatus = FormulaStatus.Normal;
			List<ReferenceRange> list;
			bool flag = this.formulaRanges.TryGetValue(cell, out list);
			if (flag)
			{
				list.Clear();
			}
			else
			{
				list = (this.formulaRanges[cell] = new List<ReferenceRange>());
			}
			bool flag2 = node != null;
			if (flag2)
			{
				this.RemoveCellTraceDependents(cell);
				this.RemoveCellTracePrecedents(cell);
				try
				{
					Worksheet.IterateToAddReference(cell, node, list, true);
					cell.FormulaTree = node;
				}
				catch (CircularReferenceException ex)
				{
					cell.FormulaTree = null;
					cell.InnerFormula = null;
					cell.formulaStatus = FormulaStatus.CircularReference;
					this.NotifyExceptionHappen(ex);
				}
			}
		}

		private static void AddCellReferenceIntoList(List<ReferenceRange> referencedRanges, ReferenceRange range)
		{
			bool flag = referencedRanges.All((ReferenceRange rr) => rr.Worksheet == range.Worksheet && !rr.Contains(range));
			if (flag)
			{
				referencedRanges.Add(range);
			}
		}

		internal static void IterateToAddReference(Cell cell, STNode node, List<ReferenceRange> referencedRanges, bool checkSelfRefer)
		{
			bool flag = node == null;
			if (!flag)
			{
				switch (node.Type)
				{
				case STNodeType.IDENTIFIER:
				{
					STIdentifierNode stidentifierNode = (STIdentifierNode)node;
					Worksheet worksheet = stidentifierNode.Worksheet;
					bool flag2 = worksheet == null;
					if (flag2)
					{
						worksheet = cell.Worksheet;
					}
					NamedRange namedRange;
					bool flag3 = worksheet.TryGetNamedRange(stidentifierNode.Identifier, out namedRange);
					if (flag3)
					{
						bool flag4 = checkSelfRefer && namedRange.Contains(cell.Position) && worksheet == cell.Worksheet;
						if (flag4)
						{
							throw new CircularReferenceException();
						}
						Worksheet.AddCellReferenceIntoList(referencedRanges, namedRange);
					}
					return;
				}
				case STNodeType.RANGE:
				{
					STRangeNode strangeNode = (STRangeNode)node;
					Worksheet worksheet = strangeNode.Worksheet;
					bool flag5 = worksheet == null;
					if (flag5)
					{
						worksheet = cell.Worksheet;
					}
					RangePosition range = worksheet.FixRange(strangeNode.Range);
					bool flag6 = checkSelfRefer && range.Contains(cell.Position) && worksheet == cell.Worksheet;
					if (flag6)
					{
						throw new CircularReferenceException();
					}
					Worksheet.AddCellReferenceIntoList(referencedRanges, new ReferenceRange(worksheet, range));
					return;
				}
				case STNodeType.CELL:
				{
					STCellNode stcellNode = (STCellNode)node;
					CellPosition position = stcellNode.Position;
					Worksheet worksheet = stcellNode.Worksheet;
					bool flag7 = worksheet == null;
					if (flag7)
					{
						worksheet = cell.Worksheet;
					}
					bool flag8 = checkSelfRefer && position.Equals(cell.Position) && worksheet == cell.Worksheet;
					if (flag8)
					{
						throw new CircularReferenceException();
					}
					bool flag9 = position.Row >= worksheet.RowCount || position.Col >= worksheet.ColumnCount;
					if (flag9)
					{
						throw new ArgumentOutOfRangeException();
					}
					Cell cell2 = worksheet.CreateAndGetCell(position);
					Worksheet.AddCellReferenceIntoList(referencedRanges, new ReferenceRange(worksheet, cell2, cell2));
					return;
				}
				case STNodeType.FUNCTION_CALL:
				{
					STFunctionNode stfunctionNode = (STFunctionNode)node;
					string text = stfunctionNode.Name;
					string a = text;
					if (!(a == "ROW") && !(a == "COLUMN") && !(a == "ADDRESS") && !(a == "INDIRECT"))
					{
						bool flag10 = stfunctionNode.Children != null;
						if (flag10)
						{
							foreach (STNode node2 in stfunctionNode.Children)
							{
								Worksheet.IterateToAddReference(cell, node2, referencedRanges, checkSelfRefer);
							}
						}
					}
					else
					{
						bool flag11 = stfunctionNode.Children != null;
						if (flag11)
						{
							foreach (STNode node3 in stfunctionNode.Children)
							{
								Worksheet.IterateToAddReference(cell, node3, referencedRanges, false);
							}
						}
					}
					return;
				}
				}
				bool flag12 = node.Children != null;
				if (flag12)
				{
					foreach (STNode node4 in node.Children)
					{
						Worksheet.IterateToAddReference(cell, node4, referencedRanges, checkSelfRefer);
					}
				}
			}
		}

		public void DeleteCellFormula(string addressOrName)
		{
			bool flag = CellPosition.IsValidAddress(addressOrName);
			if (flag)
			{
				CellPosition cellPosition = new CellPosition(addressOrName);
				this.DeleteCellFormula(cellPosition.Row, cellPosition.Col);
			}
			else
			{
				bool flag2 = RangePosition.IsValidAddress(addressOrName);
				if (flag2)
				{
					this.ClearRangeContent(new RangePosition(addressOrName), CellElementFlag.Formula, true);
				}
				else
				{
					NamedRange namedRange;
					bool flag3 = this.TryGetNamedRange(addressOrName, out namedRange);
					if (flag3)
					{
						bool isMergedCell = namedRange.IsMergedCell;
						if (isMergedCell)
						{
							this.DeleteCellFormula(namedRange.StartPos);
						}
						else
						{
							this.ClearRangeContent(namedRange, CellElementFlag.Formula, true);
						}
					}
				}
			}
		}

		public void DeleteCellFormula(CellPosition pos)
		{
			this.DeleteCellFormula(pos.Row, pos.Col);
		}

		public void DeleteCellFormula(int row, int col)
		{
			Cell cell = this.cells[row, col];
			bool flag = cell != null;
			if (flag)
			{
				this.DeleteCellFormula(cell);
			}
		}

		public void DeleteCellFormula(Cell cell)
		{
			cell.InnerFormula = null;
			cell.InnerData = null;
			cell.InnerDisplay = null;
			cell.FontDirty = false;
			this.RequestInvalidate();
		}

		public void RecalcCell(string address)
		{
			bool flag = CellPosition.IsValidAddress(address);
			if (flag)
			{
				this.RecalcCell(new CellPosition(address));
			}
			else
			{
				RangePosition rangePosition;
				bool flag2 = this.TryGetNamedRangePosition(address, out rangePosition);
				if (!flag2)
				{
					throw new InvalidAddressException(address);
				}
				this.RecalcCell(rangePosition.StartPos);
			}
		}

		public void RecalcCell(CellPosition pos)
		{
			this.RecalcCell(pos.Row, pos.Col);
		}

		public void RecalcCell(int row, int col)
		{
			Cell cell = this.GetCell(row, col);
			bool flag = cell == null;
			if (!flag)
			{
				this.RecalcCell(cell, null);
			}
		}

		internal void RecalcCell(Cell cell, Stack<List<Cell>> dirtyCellStack = null)
		{
			bool flag = !cell.HasFormula;
			if (!flag)
			{
				object data = null;
				bool flag2 = cell.formulaStatus != FormulaStatus.CircularReference && cell.formulaStatus != FormulaStatus.SyntaxError;
				if (flag2)
				{
					try
					{
						data = Evaluator.CheckAndGetDefaultValue(cell, Evaluator.Evaluate(cell, cell.FormulaTree)).value;
						cell.formulaStatus = FormulaStatus.Normal;
					}
					catch (FormulaTypeMismatchException)
					{
						cell.formulaStatus = FormulaStatus.InvalidValue;
					}
					catch (FormulaNoNameException)
					{
						cell.formulaStatus = FormulaStatus.NameNotFound;
					}
					catch (FormulaParameterMismatchException)
					{
						cell.formulaStatus = FormulaStatus.MismatchedParameter;
					}
					catch (Exception ex)
					{
						cell.formulaStatus = FormulaStatus.UnspecifiedError;
						this.NotifyExceptionHappen(ex);
					}
				}
				this.UpdateCellData(cell, data, dirtyCellStack);
			}
		}

		public void SuspendFormulaReferenceUpdates()
		{
			this.settings &= ~WorksheetSettings.Formula_AutoUpdateReferenceCell;
		}

		public void ResumeFormulaReferenceUpdates()
		{
			this.settings |= WorksheetSettings.Formula_AutoUpdateReferenceCell;
		}

		private static void UpdateWorksheetReferencedFormulaCells(Worksheet worksheet, Cell fromCell, Stack<List<Cell>> dirtyCellStack = null)
		{
			List<Cell> list = null;
			using (Dictionary<Cell, List<ReferenceRange>>.Enumerator enumerator = worksheet.formulaRanges.GetEnumerator())
			{
				Func<ReferenceRange, bool> callFunc = null;
				while (enumerator.MoveNext())
				{
					KeyValuePair<Cell, List<ReferenceRange>> range = enumerator.Current;
					IEnumerable<ReferenceRange> value = range.Value;
					Func<ReferenceRange, bool> predicate;
					if ((predicate = callFunc) == null)
					{
						predicate = (callFunc = ((ReferenceRange r) => r.Contains(fromCell.InternalPos)));
					}
					bool flag = value.Any(predicate);
					if (flag)
					{
						bool flag2 = (list == null || !list.Contains(range.Key)) && (dirtyCellStack == null || dirtyCellStack.All((List<Cell> s) => !s.Contains(range.Key)));
						if (flag2)
						{
							bool flag3 = list == null;
							if (flag3)
							{
								list = new List<Cell>();
							}
							list.Add(range.Key);
						}
					}
				}
			}
			bool flag4 = list != null && list.Count > 0;
			if (flag4)
			{
				try
				{
					bool flag5 = dirtyCellStack == null;
					if (flag5)
					{
						dirtyCellStack = new Stack<List<Cell>>();
					}
					dirtyCellStack.Push(list);
					foreach (Cell cell in list)
					{
						try
						{
							worksheet.RecalcCell(cell, dirtyCellStack);
						}
						catch (Exception ex)
						{
							worksheet.NotifyExceptionHappen(ex);
						}
					}
				}
				finally
				{
					dirtyCellStack.Pop();
				}
			}
		}

		internal void UpdateReferencedFormulaCells(Cell cell, Stack<List<Cell>> dirtyCellStack = null)
		{
			bool flag = this.workbook == null;
			if (flag)
			{
				Worksheet.UpdateWorksheetReferencedFormulaCells(this, cell, dirtyCellStack);
			}
			else
			{
				foreach (Worksheet worksheet in this.workbook.worksheets)
				{
					Worksheet.UpdateWorksheetReferencedFormulaCells(worksheet, cell, dirtyCellStack);
				}
			}
		}

		internal void ClearCellReferenceList(Cell cell)
		{
			List<ReferenceRange> list;
			bool flag = this.formulaRanges.TryGetValue(cell, out list);
			if (flag)
			{
				list.Clear();
			}
		}

		public List<ReferenceRange> GetCellFormulaReferenceRanges(string address)
		{
			bool flag = CellPosition.IsValidAddress(address);
			List<ReferenceRange> result;
			if (flag)
			{
				result = this.GetCellFormulaReferenceRanges(new CellPosition(address));
			}
			else
			{
				result = null;
			}
			return result;
		}

		public List<ReferenceRange> GetCellFormulaReferenceRanges(CellPosition pos)
		{
			Cell cell = this.cells[pos.Row, pos.Col];
			return (cell == null) ? null : this.GetCellFormulaReferenceRanges(cell);
		}

		public List<ReferenceRange> GetCellFormulaReferenceRanges(Cell cell)
		{
			List<ReferenceRange> list;
			bool flag = this.formulaRanges.TryGetValue(cell, out list);
			List<ReferenceRange> result;
			if (flag)
			{
				result = list;
			}
			else
			{
				result = null;
			}
			return result;
		}

		public string GetCellFormula(string addressOrName)
		{
			bool flag = CellPosition.IsValidAddress(addressOrName);
			string cellFormula;
			if (flag)
			{
				cellFormula = this.GetCellFormula(new CellPosition(addressOrName));
			}
			else
			{
				NamedRange namedRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out namedRange);
				if (!flag2)
				{
					throw new InvalidReferenceException("Specified reference neither is an valid address nor name registered in spreadsheet.");
				}
				cellFormula = this.GetCellFormula(namedRange.StartPos);
			}
			return cellFormula;
		}

		public string GetCellFormula(CellPosition pos)
		{
			Cell cell = this.GetCell(pos);
			return (cell == null) ? string.Empty : cell.InnerFormula;
		}

		public bool TraceCellPrecedents(string address)
		{
			return CellPosition.IsValidAddress(address) && this.TraceCellPrecedents(new CellPosition(address));
		}

		public bool TraceCellPrecedents(CellPosition pos)
		{
			Cell cell = this.GetCell(pos);
			return cell != null && this.TraceCellPrecedents(cell);
		}

		internal bool TraceCellPrecedents(Cell cell)
		{
			bool flag = !cell.HasFormula;
			bool result;
			if (flag)
			{
				result = false;
			}
			else
			{
				List<ReferenceRange> cellFormulaReferenceRanges = this.GetCellFormulaReferenceRanges(cell);
				bool flag2 = cellFormulaReferenceRanges == null;
				if (flag2)
				{
					result = false;
				}
				else
				{
					foreach (ReferenceRange referenceRange in cellFormulaReferenceRanges)
					{
						this.AddTraceLine(this.GetCell(referenceRange.StartPos), cell);
					}
					this.RequestInvalidate();
					result = true;
				}
			}
			return result;
		}

		public bool RemoveCellTracePrecedents(string address)
		{
			return CellPosition.IsValidAddress(address) && this.RemoveCellTracePrecedents(new CellPosition(address));
		}

		public bool RemoveCellTracePrecedents(CellPosition pos)
		{
			Cell cell = this.GetCell(pos);
			return cell != null && this.RemoveCellTracePrecedents(cell);
		}

		public bool RemoveCellTracePrecedents(Cell cell)
		{
			bool flag = false;
			List<Cell> list = null;
			bool flag2 = this.traceDependentArrows != null;
			if (flag2)
			{
				Func<Cell, bool> callFunc = null;
				foreach (Cell cell2 in this.traceDependentArrows.Keys)
				{
					List<Cell> list2 = this.traceDependentArrows[cell2];
					IEnumerable<Cell> source = list2;
					Func<Cell, bool> predicate;
					if ((predicate = callFunc) == null)
					{
						predicate = (callFunc = ((Cell l) => l == cell));
					}
					Cell cell3 = source.FirstOrDefault(predicate);
					bool flag3 = cell3 != null;
					if (flag3)
					{
						list2.Remove(cell3);
						flag = true;
						bool flag4 = list2.Count == 0;
						if (flag4)
						{
							bool flag5 = list == null;
							if (flag5)
							{
								list = new List<Cell>();
							}
							list.Add(cell2);
						}
					}
				}
				bool flag6 = list != null;
				if (flag6)
				{
					foreach (Cell key in list)
					{
						this.traceDependentArrows.Remove(key);
					}
				}
			}
			bool flag7 = flag;
			if (flag7)
			{
				this.RequestInvalidate();
			}
			return flag;
		}

		public bool TraceCellDependents(string address)
		{
			return CellPosition.IsValidAddress(address) && this.TraceCellDependents(new CellPosition(address));
		}

		public bool TraceCellDependents(CellPosition pos)
		{
			Cell cell = this.GetCell(pos);
			return cell != null && this.TraceCellPrecedents(cell);
		}

		public bool TraceCellDependents(Cell cell)
		{
			bool flag = !cell.HasFormula;
			bool result;
			if (flag)
			{
				result = false;
			}
			else
			{
				bool flag2 = this.traceDependentArrows.Keys.Contains(cell);
				if (flag2)
				{
					result = false;
				}
				else
				{
					bool flag3 = false;
					Func<ReferenceRange, bool> callFunc = null;
					foreach (Cell cell2 in this.formulaRanges.Keys)
					{
						List<ReferenceRange> list = this.formulaRanges[cell2];
						IEnumerable<ReferenceRange> source = list;
						Func<ReferenceRange, bool> predicate;
						if ((predicate = callFunc) == null)
						{
							predicate = (callFunc = ((ReferenceRange rr) => rr.Contains(cell.InternalPos)));
						}
						bool flag4 = source.Any(predicate);
						if (flag4)
						{
							this.AddTraceLine(cell, cell2);
							flag3 = true;
						}
					}
					bool flag5 = flag3;
					if (flag5)
					{
						this.RequestInvalidate();
					}
					result = true;
				}
			}
			return result;
		}

		public bool RemoveCellTraceDependents(string address)
		{
			return CellPosition.IsValidAddress(address) && this.RemoveCellTraceDependents(new CellPosition(address));
		}

		public bool RemoveCellTraceDependents(CellPosition pos)
		{
			Cell cell = this.GetCell(pos);
			return cell != null && this.RemoveCellTraceDependents(cell);
		}

		public bool RemoveCellTraceDependents(Cell cell)
		{
			bool flag = this.traceDependentArrows != null && this.traceDependentArrows.Keys.Contains(cell);
			bool result;
			if (flag)
			{
				this.traceDependentArrows.Remove(cell);
				this.RequestInvalidate();
				result = true;
			}
			else
			{
				result = false;
			}
			return result;
		}

		internal bool AddTraceLine(Cell fromCell, Cell toCell)
		{
			bool flag = this.traceDependentArrows == null;
			if (flag)
			{
				this.traceDependentArrows = new Dictionary<Cell, List<Cell>>();
			}
			bool flag2 = this.traceDependentArrows.Keys.Contains(fromCell);
			bool result;
			if (flag2)
			{
				result = false;
			}
			else
			{
				List<Cell> list;
				bool flag3 = this.traceDependentArrows.TryGetValue(fromCell, out list);
				if (flag3)
				{
					bool flag4 = list.Any((Cell l) => l.InternalPos == toCell.InternalPos);
					if (flag4)
					{
						return false;
					}
				}
				else
				{
					list = (this.traceDependentArrows[fromCell] = new List<Cell>());
				}
				list.Add(toCell);
				this.RequestInvalidate();
				result = true;
			}
			return result;
		}

		internal bool RemoveTraceLine(Cell fromCell, Cell toCell)
		{
			bool flag = !this.traceDependentArrows.Keys.Contains(fromCell);
			bool result;
			if (flag)
			{
				result = false;
			}
			else
			{
				List<Cell> list;
				bool flag2 = this.traceDependentArrows.TryGetValue(fromCell, out list);
				if (flag2)
				{
					Cell cell = list.FirstOrDefault((Cell l) => l.InternalPos == toCell.InternalPos);
					bool flag3 = cell != null;
					if (flag3)
					{
						list.Remove(cell);
					}
					bool flag4 = list.Count == 0;
					if (flag4)
					{
						this.traceDependentArrows.Remove(fromCell);
					}
					this.RequestInvalidate();
					result = true;
				}
				else
				{
					result = false;
				}
			}
			return result;
		}

		public void RemoveCellAllTraceArrows(string address)
		{
			bool flag = CellPosition.IsValidAddress(address);
			if (flag)
			{
				this.RemoveCellAllTraceArrows(new CellPosition(address));
			}
		}

		public void RemoveCellAllTraceArrows(CellPosition pos)
		{
			this.RemoveCellTraceDependents(pos);
			this.RemoveCellTracePrecedents(pos);
		}

		internal bool RemoveCellAllTraceArrows(Cell cell)
		{
			this.RemoveCellTraceDependents(cell);
			this.RemoveCellTracePrecedents(cell);
			return true;
		}

		public bool RemoveRangeAllTraceArrows(string address)
		{
			bool flag = RangePosition.IsValidAddress(address);
			bool result;
			if (flag)
			{
				this.RemoveRangeAllTraceArrows(new RangePosition(address));
				result = true;
			}
			else
			{
				result = false;
			}
			return result;
		}

		public void RemoveRangeAllTraceArrows(RangePosition range)
		{
			this.IterateCells(range, (int r, int c, Cell cell) => this.RemoveCellAllTraceArrows(cell));
		}

		public bool IsCellInTracePrecedents(CellPosition pos)
		{
			bool flag = this.traceDependentArrows == null;
			Func<Cell, bool> callFunc = null;
			return !flag && this.traceDependentArrows.Values.Any(delegate(List<Cell> ls)
			{
				Func<Cell, bool> predicate;
				if ((predicate = callFunc) == null)
				{
					predicate = (callFunc = ((Cell l) => l.InternalPos == pos));
				}
				return ls.Any(predicate);
			});
		}

		public bool IsCellInTraceDependents(CellPosition pos)
		{
			bool flag = this.traceDependentArrows == null;
			return !flag && this.traceDependentArrows.Keys.Any((Cell c) => c.InternalPos == pos);
		}

		public IEnumerable<Cell> GetAllTraceDependentCells()
		{
			return this.traceDependentArrows.Keys;
		}

		public void Recalculate()
		{
			Stack<List<Cell>> dirtyCells = new Stack<List<Cell>>();
			RangePosition range = new RangePosition(0, 0, this.MaxContentRow + 1, this.MaxContentCol + 1);
			this.IterateCells(range, delegate(int row, int col, Cell cell)
			{
				bool hasFormula = cell.HasFormula;
				if (hasFormula)
				{
					this.RecalcCell(cell, dirtyCells);
				}
				return true;
			});
		}

		public int RowHeaderWidth
		{
			get
			{
				return (int)this.rowHeaderWidth;
			}
			set
			{
				bool flag = value == -1;
				if (flag)
				{
					this.userRowHeaderWidth = false;
					this.AutoAdjustRowHeaderPanelWidth();
				}
				else
				{
					bool flag2 = value == 0;
					if (flag2)
					{
						this.SetSettings(WorksheetSettings.View_ShowRowHeader, false);
					}
					else
					{
						this.userRowHeaderWidth = true;
						this.rowHeaderWidth = (ushort)value;
						bool flag3 = this.viewportController != null;
						if (flag3)
						{
							this.viewportController.UpdateController();
						}
					}
				}
			}
		}

		private void AutoAdjustRowHeaderPanelWidth()
		{
			bool flag = !this.userRowHeaderWidth;
			if (flag)
			{
				this.rowHeaderWidth = (ushort)((this.rows.Count >= 100000) ? 50 : 40);
			}
		}

		public void SetColumnsWidth(int col, int count, ushort width)
		{
			this.SetColumnsWidth(col, count, (int c) => (int)width, true, true);
		}

		internal void SetColumnsWidth(int col, int count, Func<int, int> widthGetter, bool processOutlines = true, bool updateMaxColumnHeader = true)
		{
			Stopwatch stopwatch = Stopwatch.StartNew();
			int num = col + count;
			int num2 = 0;
			float num3 = 0f;
			OutlineCollection<ReoGridOutline> outlineCollection = this.GetOutlines(RowOrColumn.Column);
			bool flag = updateMaxColumnHeader && this.maxColumnHeader < num - 1;
			if (flag)
			{
				this.maxColumnHeader = num - 1;
			}
			int num4 = Math.Min(this.rows.Count, this.cells.MaxRow + 1);
			int count2 = this.cols.Count;
			int c;
			int c2;
			for (c = col; c < count2; c = c2 + 1)
			{
				ColumnHeader columnHeader = this.cols[c];
				columnHeader.Left += num2;
				int innerWidth = (int)columnHeader.InnerWidth;
				int num5 = 0;
				bool flag2 = false;
				bool flag3 = c < num;
				if (flag3)
				{
					num5 = widthGetter(c);
					bool flag4 = num5 >= 0;
					if (flag4)
					{
						bool flag5 = num5 == 0 && columnHeader.InnerWidth <= 0;
						if (flag5)
						{
							flag2 = true;
						}
						else
						{
							columnHeader.LastWidth = columnHeader.InnerWidth;
							columnHeader.InnerWidth = (ushort)num5;
							bool flag6 = num5 > 0;
							if (flag6)
							{
								bool flag7 = processOutlines && outlineCollection != null;
								if (flag7)
								{
									outlineCollection.IterateOutlines(delegate(ReoGridOutline o)
									{
										bool flag17 = o.End == c + 1 && o.InternalCollapsed;
										bool result;
										if (flag17)
										{
											o.InternalCollapsed = false;
											o.RaiseAfterExpandingEvent();
											result = false;
										}
										else
										{
											result = true;
										}
										return result;
									});
								}
							}
							else
							{
								bool flag8 = processOutlines && outlineCollection != null;
								if (flag8)
								{
									outlineCollection.IterateOutlines(delegate(ReoGridOutline o)
									{
										bool flag17 = o.End == c + 1 && !o.InternalCollapsed;
										if (flag17)
										{
											bool flag18 = true;
											for (int k = o.Start; k < o.End; k++)
											{
												bool flag19 = this.cols[k].InnerWidth > 0;
												if (flag19)
												{
													flag18 = false;
													break;
												}
											}
											bool flag20 = flag18;
											if (flag20)
											{
												o.InternalCollapsed = true;
												o.RaiseAfterCollapseEvent();
												return false;
											}
										}
										return true;
									});
								}
							}
						}
					}
					else
					{
						num5 = 0;
					}
				}
				for (int i = 0; i < num4; i++)
				{
					Cell cell = this.cells[i, c];
					bool flag9 = cell != null;
					if (flag9)
					{
						bool isEndMergedCell = cell.IsEndMergedCell;
						if (isEndMergedCell)
						{
							Cell cell2 = this.GetCell(cell.MergeStartPos);
							this.UpdateCellBounds(cell2);
							cell2.UpdateContentBounds();
						}
						else
						{
							cell.Left += (float)num2;
							cell.TextBoundsLeft += num3;
							bool flag10 = cell.InternalCol < num && cell.Colspan == 1 && cell.Rowspan == 1;
							if (flag10)
							{
								cell.Width = (float)(num5 + 1);
								this.UpdateCellTextBounds(cell);
							}
							cell.UpdateContentBounds();
						}
					}
				}
				bool flag11 = c < num && !flag2;
				if (flag11)
				{
					num2 += num5 - innerWidth;
					num3 = (float)num2 * this.renderScaleFactor;
				}
				c2 = c;
			}
			bool flag12 = this.drawingCanvas.drawingObjects != null && this.drawingCanvas.drawingObjects.Count > 0;
			if (flag12)
			{
				int left = this.cols[col].Left;
				int right = this.cols[col + count - 1].Right;
				foreach (IDrawingObject drawingObject in this.drawingCanvas.drawingObjects)
				{
					bool flag13 = drawingObject.Left > (float)left;
					if (flag13)
					{
						drawingObject.X += (float)num2;
					}
					else
					{
						bool flag14 = drawingObject.Right > (float)left;
						if (flag14)
						{
							drawingObject.Width += (float)num2;
						}
					}
				}
			}
			this.UpdateViewportController();
			bool flag15 = !this.suspendingUIUpdates;
			if (flag15)
			{
				int num6 = Math.Min(num, count2);
				for (int j = col; j < num6; j++)
				{
					this.cols[j].RaiseWidthChangedEvent();
				}
			}
			EventHandler<ColumnsWidthChangedEventArgs> columnsWidthChanged = this.ColumnsWidthChanged;
			if (columnsWidthChanged != null)
			{
				columnsWidthChanged(this, new ColumnsWidthChangedEventArgs(col, count, widthGetter(col)));
			}
			stopwatch.Stop();
			bool flag16 = stopwatch.ElapsedMilliseconds > 5L;
			if (flag16)
			{
				Debug.WriteLine(string.Format("columns width change takes {0} ms.", stopwatch.ElapsedMilliseconds));
			}
		}

		public void SetRowsHeight(int row, int count, ushort height)
		{
			this.SetRowsHeight(row, count, (int r) => (int)height, true);
		}

		internal void SetRowsHeight(int row, int count, Func<int, int> heightGetter, bool processOutlines)
		{
			Stopwatch stopwatch = Stopwatch.StartNew();
			int num = row + count;
			int num2 = 0;
			float num3 = 0f;
			OutlineCollection<ReoGridOutline> outlineCollection = this.GetOutlines(RowOrColumn.Row);
			bool flag = this.maxRowHeader < num - 1;
			if (flag)
			{
				this.maxRowHeader = num - 1;
			}
			int count2 = this.rows.Count;
			int num4 = Math.Min(this.cols.Count, this.cells.MaxCol + 1);
			int r;
			int r2;
			for (r = row; r < count2; r = r2 + 1)
			{
				RowHeader rowHeader = this.rows[r];
				rowHeader.Top += num2;
				int innerHeight = (int)rowHeader.InnerHeight;
				int num5 = 0;
				bool flag2 = false;
				bool flag3 = r < num;
				if (flag3)
				{
					num5 = heightGetter(r);
					bool flag4 = num5 >= 0;
					if (flag4)
					{
						bool flag5 = num5 == 0 && rowHeader.InnerHeight <= 0;
						if (flag5)
						{
							flag2 = true;
						}
						else
						{
							rowHeader.LastHeight = rowHeader.InnerHeight;
							rowHeader.InnerHeight = (ushort)num5;
							bool flag6 = num5 > 0;
							if (flag6)
							{
								bool flag7 = processOutlines && outlineCollection != null;
								if (flag7)
								{
									outlineCollection.IterateOutlines(delegate(ReoGridOutline o)
									{
										bool flag17 = o.End == r + 1 && o.InternalCollapsed;
										if (flag17)
										{
											o.InternalCollapsed = false;
											o.RaiseAfterExpandingEvent();
										}
										return true;
									});
								}
							}
							else
							{
								bool flag8 = processOutlines && outlineCollection != null;
								if (flag8)
								{
									outlineCollection.IterateOutlines(delegate(ReoGridOutline o)
									{
										bool flag17 = o.End == r + 1 && !o.InternalCollapsed;
										if (flag17)
										{
											bool flag18 = true;
											for (int k = o.Start; k < o.End; k++)
											{
												bool flag19 = this.rows[k].InnerHeight > 0;
												if (flag19)
												{
													flag18 = false;
													break;
												}
											}
											bool flag20 = flag18;
											if (flag20)
											{
												o.InternalCollapsed = true;
												o.RaiseAfterCollapseEvent();
												return true;
											}
										}
										return true;
									});
								}
							}
						}
					}
					else
					{
						num5 = 0;
					}
				}
				for (int i = 0; i < num4; i++)
				{
					Cell cell = this.cells[r, i];
					bool flag9 = cell != null;
					if (flag9)
					{
						bool isEndMergedCell = cell.IsEndMergedCell;
						if (isEndMergedCell)
						{
							Cell cell2 = this.GetCell(cell.MergeStartPos);
							this.UpdateCellBounds(cell2);
						}
						else
						{
							cell.Top += (float)num2;
							cell.TextBoundsTop += num3;
							bool flag10 = cell.InternalRow < num && cell.Colspan == 1 && cell.Rowspan == 1;
							if (flag10)
							{
								cell.Height = (float)(num5 + 1);
								this.UpdateCellTextBounds(cell);
							}
							cell.UpdateContentBounds();
						}
					}
				}
				bool flag11 = r < num && !flag2;
				if (flag11)
				{
					num2 += num5 - innerHeight;
					num3 = (float)num2 * this.renderScaleFactor;
				}
				r2 = r;
			}
			bool flag12 = this.drawingCanvas.drawingObjects != null && this.drawingCanvas.drawingObjects.Count > 0;
			if (flag12)
			{
				int top = this.rows[row].Top;
				int bottom = this.rows[row + count - 1].Bottom;
				foreach (IDrawingObject drawingObject in this.drawingCanvas.drawingObjects)
				{
					bool flag13 = drawingObject.Top > (float)top;
					if (flag13)
					{
						drawingObject.Y += (float)num2;
					}
					else
					{
						bool flag14 = drawingObject.Bottom > (float)top;
						if (flag14)
						{
							drawingObject.Height += (float)num2;
						}
					}
				}
			}
			this.UpdateViewportController();
			bool flag15 = !this.suspendingUIUpdates;
			if (flag15)
			{
				int num6 = Math.Min(num, count2);
				for (int j = row; j < num6; j++)
				{
					this.rows[j].RaiseHeightChangedEvent();
				}
			}
			EventHandler<RowsHeightChangedEventArgs> rowsHeightChanged = this.RowsHeightChanged;
			if (rowsHeightChanged != null)
			{
				rowsHeightChanged(this, new RowsHeightChangedEventArgs(row, count, heightGetter(row)));
			}
			stopwatch.Stop();
			long elapsedMilliseconds = stopwatch.ElapsedMilliseconds;
			bool flag16 = elapsedMilliseconds > 10L;
			if (flag16)
			{
				Debug.WriteLine(string.Format("row height changed: {0} ms.", elapsedMilliseconds));
			}
		}

		public ushort GetColumnWidth(int col)
		{
			bool flag = col < 0 || col >= this.ColumnCount;
			if (flag)
			{
				throw new ArgumentOutOfRangeException("col", "invalid column index");
			}
			return this.cols[col].InnerWidth;
		}

		public ushort GetRowHeight(int row)
		{
			bool flag = row < 0 || row >= this.RowCount;
			if (flag)
			{
				throw new ArgumentOutOfRangeException("row", "invalid row index");
			}
			return this.rows[row].InnerHeight;
		}

		internal bool ExpandRowHeightToFitCell(Cell cell)
		{
			bool flag = !cell.IsValidCell;
			bool result;
			if (flag)
			{
				result = false;
			}
			else
			{
				bool fontDirty = cell.FontDirty;
				if (fontDirty)
				{
					this.UpdateCellFont(cell, UpdateFontReason.FontChanged);
				}
				bool flag2 = !string.IsNullOrEmpty(cell.DisplayText);
				if (flag2)
				{
					int num = (int)Math.Ceiling((double)(cell.TextBounds.Height / this.renderScaleFactor));
					bool flag3 = num > 65535;
					if (flag3)
					{
						num = 65535;
					}
					bool flag4 = cell.Height < (float)num;
					if (flag4)
					{
						this.SetRowsHeight(cell.InternalRow, 1, (ushort)num);
						return true;
					}
				}
				result = false;
			}
			return result;
		}

		internal bool ExpandColumnWidthFitToCell(Cell cell)
		{
			bool flag = !cell.IsValidCell;
			bool result;
			if (flag)
			{
				result = false;
			}
			else
			{
				bool fontDirty = cell.FontDirty;
				if (fontDirty)
				{
					this.UpdateCellFont(cell, UpdateFontReason.FontChanged);
				}
				bool flag2 = !string.IsNullOrEmpty(cell.DisplayText);
				if (flag2)
				{
					int num = (int)Math.Ceiling((double)(cell.TextBounds.Width / this.renderScaleFactor));
					bool flag3 = num > 65535;
					if (flag3)
					{
						num = 65535;
					}
					bool flag4 = cell.Width < (float)num;
					if (flag4)
					{
						this.SetColumnsWidth(cell.InternalCol, 1, (ushort)num);
						return true;
					}
				}
				result = false;
			}
			return result;
		}

		public bool AutoFitRowHeight(int row, bool byAction = false)
		{
			bool flag = row < 0 || row > this.rows.Count - 1;
			if (flag)
			{
				throw new ArgumentOutOfRangeException("row");
			}
			float num = 0f;
			for (int i = 0; i <= this.MaxContentCol; i++)
			{
				Cell cell = this.cells[row, i];
				bool flag2 = cell != null && cell.Rowspan == 1;
				if (flag2)
				{
					bool fontDirty = cell.FontDirty;
					if (fontDirty)
					{
						this.UpdateCellFont(cell, UpdateFontReason.FontChanged);
					}
					RichText richText = cell.Data as RichText;
					bool flag3 = richText != null;
					if (flag3)
					{
						float height = richText.TextSize.Height;
						bool flag4 = num < height;
						if (flag4)
						{
							num = height;
						}
					}
					else
					{
						float num2 = cell.TextBounds.Height / this.renderScaleFactor;
						bool flag5 = num < num2;
						if (flag5)
						{
							num = num2;
						}
					}
				}
			}
			bool flag6 = num > 0f;
			bool result;
			if (flag6)
			{
				bool flag7 = num < 0f;
				if (flag7)
				{
					num = 0f;
				}
				bool flag8 = num > 65533f;
				if (flag8)
				{
					num = 65533f;
				}
				ushort height2 = (ushort)(num + 2f);
				if (byAction)
				{
					this.DoAction(new SetRowsHeightAction(row, 1, height2));
				}
				else
				{
					this.SetRowsHeight(row, 1, height2);
				}
				result = true;
			}
			else
			{
				result = false;
			}
			return result;
		}

		public bool AutoFitColumnWidth(int col, bool byAction = false)
		{
			bool flag = col < 0 || col > this.cols.Count - 1;
			if (flag)
			{
				throw new ArgumentOutOfRangeException("col");
			}
			float num = 0f;
			for (int i = 0; i <= this.MaxContentRow; i++)
			{
				Cell cell = this.cells[i, col];
				bool flag2 = cell != null && cell.Colspan == 1;
				if (flag2)
				{
					bool fontDirty = cell.FontDirty;
					if (fontDirty)
					{
						this.UpdateCellFont(cell, UpdateFontReason.FontChanged);
					}
					RichText richText = cell.Data as RichText;
					bool flag3 = richText != null;
					if (flag3)
					{
						float width = richText.TextSize.Width;
						bool flag4 = num < width;
						if (flag4)
						{
							num = width;
						}
					}
					else
					{
						float num2 = cell.TextBounds.Width / this.renderScaleFactor;
						bool flag5 = num < num2;
						if (flag5)
						{
							num = num2;
						}
					}
				}
			}
			bool flag6 = num > 0f;
			bool result;
			if (flag6)
			{
				bool flag7 = num < 0f;
				if (flag7)
				{
					num = 0f;
				}
				bool flag8 = num > 65533f;
				if (flag8)
				{
					num = 65533f;
				}
				ushort width2 = (ushort)(num + 2f);
				if (byAction)
				{
					this.DoAction(new SetColumnsWidthAction(col, 1, width2));
				}
				else
				{
					this.SetColumnsWidth(col, 1, width2);
				}
				result = true;
			}
			else
			{
				result = false;
			}
			return result;
		}

		public void AppendColumns(int count)
		{
			bool flag = count < 0;
			if (flag)
			{
				throw new ArgumentException("count must be greater than zero");
			}
			bool flag2 = this.cols.Count + count > this.cells.RowCapacity;
			if (flag2)
			{
				throw new ArgumentOutOfRangeException("count", "number of columns exceeds the maximum columns: " + this.cells.ColCapacity.ToString());
			}
			int num = (this.cols.Count == 0) ? 0 : this.cols[this.cols.Count - 1].Right;
			int num2 = this.cols.Count + count;
			for (int i = this.cols.Count; i < num2; i++)
			{
				this.cols.Add(new ColumnHeader(this)
				{
					InnerWidth = this.defaultColumnWidth,
					Col = i,
					RenderText = RGUtility.GetAlphaChar((long)i),
					Left = num,
					IsAutoWidth = true
				});
				num += (int)this.defaultColumnWidth;
			}
			this.UpdateViewportController();
			EventHandler<ColumnsInsertedEventArgs> columnsInserted = this.ColumnsInserted;
			if (columnsInserted != null)
			{
				columnsInserted(this, new ColumnsInsertedEventArgs(this.cols.Count - count, count));
			}
		}

		public void AppendRows(int count)
		{
			bool flag = count < 0;
			if (flag)
			{
				throw new ArgumentException("count must be greater than zero");
			}
			bool flag2 = this.rows.Count + count > this.cells.RowCapacity;
			if (flag2)
			{
				throw new ArgumentOutOfRangeException("count", "number of rows exceeds the maximum rows: " + this.cells.RowCapacity.ToString());
			}
			int num = (this.rows.Count == 0) ? 0 : this.rows[this.rows.Count - 1].Bottom;
			int num2 = this.rows.Count + count;
			for (int i = this.rows.Count; i < num2; i++)
			{
				this.rows.Add(new RowHeader(this)
				{
					InnerHeight = this.defaultRowHeight,
					Row = i,
					Top = num,
					IsAutoHeight = true
				});
				num += (int)this.defaultRowHeight;
			}
			this.UpdateViewportController();
			EventHandler<RowsInsertedEventArgs> rowsInserted = this.RowsInserted;
			if (rowsInserted != null)
			{
				rowsInserted(this, new RowsInsertedEventArgs(this.rows.Count - count, count));
			}
		}

		public void Resize(int rows, int cols)
		{
			bool flag = cols > 0;
			if (flag)
			{
				bool flag2 = cols > this.cols.Count;
				if (flag2)
				{
					this.AppendColumns(cols - this.cols.Count);
				}
				else
				{
					bool flag3 = cols < this.cols.Count;
					if (flag3)
					{
						this.DeleteColumns(cols, this.cols.Count - cols);
					}
				}
			}
			bool flag4 = rows > 0;
			if (flag4)
			{
				bool flag5 = rows > this.rows.Count;
				if (flag5)
				{
					this.AppendRows(rows - this.rows.Count);
				}
				else
				{
					bool flag6 = rows < this.rows.Count;
					if (flag6)
					{
						this.DeleteRows(rows, this.rows.Count - rows);
					}
				}
			}
		}

		public void SetCols(int colCount)
		{
			this.Resize(-1, colCount);
		}

		public void SetRows(int rowCount)
		{
			this.Resize(rowCount, -1);
		}

		public int Rows
		{
			get
			{
				return this.rows.Count;
			}
			set
			{
				this.SetRows(value);
			}
		}

		public int Columns
		{
			get
			{
				return this.cols.Count;
			}
			set
			{
				this.SetCols(value);
			}
		}

		public void InsertRows(int row, int count)
		{
			bool flag = row > this.rows.Count;
			if (flag)
			{
				throw new ArgumentOutOfRangeException("row");
			}
			bool flag2 = this.rows.Count + count > this.cells.RowCapacity;
			if (flag2)
			{
				throw new ArgumentOutOfRangeException("count");
			}
			bool flag3 = count < 1;
			if (flag3)
			{
				throw new ArgumentException("count must be >= 1");
			}
			bool flag4 = row >= this.rows.Count;
			if (flag4)
			{
				this.AppendRows(count);
			}
			else
			{
				Stopwatch stopwatch = Stopwatch.StartNew();
				int num = (row == 0) ? 0 : this.rows[row - 1].Bottom;
				int num2 = num;
				ushort innerHeight = this.rows[row].InnerHeight;
				RowHeader[] array = new RowHeader[count];
				for (int i = 0; i < count; i++)
				{
					array[i] = new RowHeader(this)
					{
						Row = row + i,
						Top = num,
						InnerHeight = innerHeight,
						InnerStyle = ((this.rows[row].InnerStyle == null) ? null : new WorksheetRangeStyle(this.rows[row].InnerStyle)),
						IsAutoHeight = true
					};
					num += (int)innerHeight;
				}
				this.rows.InsertRange(row, array);
				int num3 = (int)innerHeight * count;
				for (int j = this.rows.Count - 1; j > row + count - 1; j--)
				{
					bool flag5 = j != this.rows.Count;
					if (flag5)
					{
						this.rows[j].Row += count;
						this.rows[j].Top += num3;
					}
					for (int k = this.cols.Count - 1; k >= 0; k--)
					{
						this.cells[j, k] = this.cells[j - count, k];
						Cell cell = this.cells[j, k];
						bool flag6 = cell != null;
						if (flag6)
						{
							cell.InternalRow += count;
							cell.Top += (float)num3;
							cell.TextBoundsTop += (float)num3;
							bool flag7 = !cell.MergeStartPos.IsEmpty && cell.MergeStartPos.Row >= row;
							if (flag7)
							{
								cell.MergeStartPos = cell.MergeStartPos.Offset(count, 0);
							}
							bool flag8 = !cell.MergeEndPos.IsEmpty;
							if (flag8)
							{
								cell.MergeEndPos = cell.MergeEndPos.Offset(count, 0);
							}
						}
						this.vBorders[j, k] = this.vBorders[j - count, k];
						this.hBorders[j, k] = this.hBorders[j - count, k];
					}
				}
				for (int l = row; l < row + count; l++)
				{
					for (int m = 0; m < this.cols.Count; m++)
					{
						this.hBorders[l, m] = null;
						this.vBorders[l, m] = null;
						this.cells[l, m] = null;
					}
				}
				for (int n = this.cols.Count; n >= 0; n--)
				{
					bool flag9 = row == 0;
					if (flag9)
					{
						this.cells[row, n] = null;
					}
					this.vBorders[row, n] = null;
					this.hBorders[row, n] = null;
					bool flag10 = row > 0 && this.vBorders[row - 1, n] != null && this.vBorders[row - 1, n].Style != null;
					bool flag11 = this.vBorders[row + count, n] != null && this.vBorders[row + count, n].Style != null;
					bool flag12 = flag10 && flag11;
					if (flag12)
					{
						this.SetVBorders(row, n, count, this.vBorders[row - 1, n].Style, this.vBorders[row - 1, n].Pos);
					}
					bool flag13 = n != this.cols.Count;
					if (flag13)
					{
						Cell cell2 = (row <= 0) ? null : this.cells[row - 1, n];
						Cell cell3 = this.cells[row + count, n];
						Cell cell4 = this.cells[row, n] = null;
						bool flag14 = cell2 != null && cell2.Rowspan != 1;
						bool flag15 = cell3 != null && cell3.Rowspan != 1;
						bool flag16 = Worksheet.IsInsideSameMergedCell(cell2, cell3);
						bool flag17 = flag16;
						if (flag17)
						{
							for (int num4 = row; num4 < row + count; num4++)
							{
								cell4 = this.CreateCell(num4, n, true);
								cell4.Colspan = 0;
								cell4.Rowspan = 0;
								cell4.MergeEndPos = cell2.MergeEndPos.Offset(count, 0);
								cell4.MergeStartPos = cell2.MergeStartPos;
								bool flag18 = n > cell4.MergeStartPos.Col;
								if (flag18)
								{
									this.vBorders[num4, n] = new ReoGridVBorder();
								}
								this.hBorders[num4, n] = new ReoGridHBorder();
							}
							for (int num5 = cell4.MergeStartPos.Row; num5 < row; num5++)
							{
								this.cells[num5, n].MergeEndPos = this.cells[num5, n].MergeEndPos.Offset(count, 0);
							}
							bool flag19 = n == cell4.MergeStartPos.Col;
							if (flag19)
							{
								Cell cell5 = this.GetCell(cell4.MergeStartPos);
								Cell cell6 = cell5;
								cell6.Rowspan += (short)count;
								cell5.Height += (float)num3;
							}
						}
						else
						{
							this.cells[row, n] = null;
						}
					}
				}
				OutlineCollection<ReoGridOutline> outlineCollection = this.GetOutlines(RowOrColumn.Row);
				bool flag20 = outlineCollection != null;
				if (flag20)
				{
					outlineCollection.IterateOutlines(delegate(ReoGridOutline o)
					{
						RangeModifyHelper.ProcessAfterInsertRow(row, count, (IRowRange)o);
						return true;
					});
				}
				RangeModifyHelper.ProcessAfterInsertRow(row, count, this.printableRange);
				bool flag21 = this.drawingCanvas.drawingObjects != null;
				if (flag21)
				{
					foreach (IDrawingObject drawingObject in this.drawingCanvas.drawingObjects)
					{
						bool flag22 = drawingObject.Y >= (float)num2;
						if (flag22)
						{
							drawingObject.Y += (float)num3;
						}
						else
						{
							bool flag23 = drawingObject.Bottom > (float)num2;
							if (flag23)
							{
								drawingObject.Height += (float)num3;
							}
						}
					}
				}
				bool flag24 = row < this.FreezePos.Row;
				if (flag24)
				{
					this.FreezePos = this.FixPos(new CellPosition(this.FreezePos.Row + count, this.FreezePos.Col));
				}
				this.UpdateViewportController();
				EventHandler<RowsInsertedEventArgs> rowsInserted = this.RowsInserted;
				if (rowsInserted != null)
				{
					rowsInserted(this, new RowsInsertedEventArgs(row, count));
				}
				stopwatch.Stop();
				Debug.WriteLine("insert rows: " + stopwatch.ElapsedMilliseconds.ToString() + " ms.");
			}
		}

		public void InsertColumns(int col, int count)
		{
			bool flag = col > this.cols.Count;
			if (flag)
			{
				throw new ArgumentOutOfRangeException("col");
			}
			bool flag2 = this.cols.Count + count > this.cells.ColCapacity;
			if (flag2)
			{
				throw new ArgumentOutOfRangeException("count");
			}
			bool flag3 = count < 1;
			if (flag3)
			{
				throw new ArgumentException("count must be >= 1");
			}
			bool flag4 = col >= this.cols.Count;
			if (flag4)
			{
				this.AppendColumns(count);
			}
			else
			{
				Stopwatch stopwatch = Stopwatch.StartNew();
				int num = (col == 0) ? 0 : this.cols[col - 1].Right;
				ushort innerWidth = this.cols[col].InnerWidth;
				ColumnHeader[] array = new ColumnHeader[count];
				int num2 = num;
				for (int i = 0; i < count; i++)
				{
					int num3 = col + i;
					array[i] = new ColumnHeader(this)
					{
						Col = num3,
						RenderText = RGUtility.GetAlphaChar((long)num3),
						Left = num,
						InnerWidth = innerWidth,
						InnerStyle = ((this.cols[col].InnerStyle == null) ? null : new WorksheetRangeStyle(this.cols[col].InnerStyle)),
						IsAutoWidth = true
					};
					num += (int)innerWidth;
				}
				this.cols.InsertRange(col, array);
				int num4 = (int)innerWidth * count;
				for (int j = this.cols.Count - 1; j > col + count - 1; j--)
				{
					bool flag5 = j != this.cols.Count;
					if (flag5)
					{
						int num5 = this.cols[j].Col + count;
						this.cols[j].Col = num5;
						this.cols[j].Left += num4;
						bool flag6 = this.cols[j].Text == null;
						if (flag6)
						{
							this.cols[j].RenderText = RGUtility.GetAlphaChar((long)num5);
						}
					}
					for (int k = this.rows.Count - 1; k >= 0; k--)
					{
						this.cells[k, j] = this.cells[k, j - count];
						Cell cell = this.cells[k, j];
						bool flag7 = cell != null;
						if (flag7)
						{
							cell.InternalCol += count;
							cell.Left += (float)num4;
							cell.TextBoundsLeft += (float)num4;
							bool flag8 = !cell.MergeStartPos.IsEmpty && cell.MergeStartPos.Col >= col;
							if (flag8)
							{
								cell.MergeStartPos = cell.MergeStartPos.Offset(0, count);
							}
							bool flag9 = !cell.MergeEndPos.IsEmpty;
							if (flag9)
							{
								cell.MergeEndPos = cell.MergeEndPos.Offset(0, count);
							}
						}
						this.vBorders[k, j] = this.vBorders[k, j - count];
						this.hBorders[k, j] = this.hBorders[k, j - count];
					}
				}
				for (int l = col; l < col + count; l++)
				{
					for (int m = 0; m < this.rows.Count; m++)
					{
						this.hBorders[m, l] = null;
						this.vBorders[m, l] = null;
						this.cells[m, l] = null;
					}
				}
				for (int n = this.rows.Count; n >= 0; n--)
				{
					bool flag10 = col == 0;
					if (flag10)
					{
						this.cells[n, col] = null;
					}
					this.vBorders[n, col] = null;
					this.hBorders[n, col] = null;
					bool flag11 = col > 0 && this.hBorders[n, col - 1] != null && this.hBorders[n, col - 1].Style != null;
					bool flag12 = this.hBorders[n, col + count] != null && this.hBorders[n, col + count].Style != null;
					bool flag13 = flag11 && flag12;
					if (flag13)
					{
						this.SetHBorders(n, col, count, this.hBorders[n, col - 1].Style, this.hBorders[n, col - 1].Pos);
					}
					bool flag14 = n != this.rows.Count;
					if (flag14)
					{
						Cell cell2 = (col <= 0) ? null : this.cells[n, col - 1];
						Cell cell3 = this.cells[n, col + count];
						Cell cell4 = this.cells[n, col] = null;
						bool flag15 = cell2 != null && cell2.Rowspan != 1;
						bool flag16 = cell3 != null && cell3.Rowspan != 1;
						bool flag17 = Worksheet.IsInsideSameMergedCell(cell2, cell3);
						bool flag18 = flag17;
						if (flag18)
						{
							for (int num6 = col; num6 < col + count; num6++)
							{
								cell4 = this.CreateCell(n, num6, true);
								cell4.Colspan = 0;
								cell4.Rowspan = 0;
								cell4.MergeEndPos = cell2.MergeEndPos.Offset(0, count);
								cell4.MergeStartPos = cell2.MergeStartPos;
								bool flag19 = n > cell4.MergeStartPos.Row;
								if (flag19)
								{
									this.hBorders[n, num6] = new ReoGridHBorder();
								}
								this.vBorders[n, num6] = new ReoGridVBorder();
							}
							for (int num7 = cell4.MergeStartPos.Col; num7 < col; num7++)
							{
								this.cells[n, num7].MergeEndPos = this.cells[n, num7].MergeEndPos.Offset(0, count);
							}
							bool flag20 = n == cell4.MergeStartPos.Row;
							if (flag20)
							{
								Cell cell5 = this.GetCell(cell4.MergeStartPos);
								Cell cell6 = cell5;
								cell6.Colspan += (short)count;
								cell5.Width += (float)num4;
							}
						}
						else
						{
							this.cells[n, col] = null;
						}
					}
				}
				RangeModifyHelper.ProcessAfterInsertColumn(col, count, this.printableRange);
				OutlineCollection<ReoGridOutline> outlineCollection = this.GetOutlines(RowOrColumn.Column);
				bool flag21 = outlineCollection != null;
				if (flag21)
				{
					outlineCollection.IterateOutlines(delegate(ReoGridOutline o)
					{
						RangeModifyHelper.ProcessAfterInsertColumn(col, count, (IColumnRange)o);
						return true;
					});
				}
				bool flag22 = this.drawingCanvas.drawingObjects != null;
				if (flag22)
				{
					foreach (IDrawingObject drawingObject in this.drawingCanvas.drawingObjects)
					{
						bool flag23 = drawingObject.Left >= (float)num2;
						if (flag23)
						{
							drawingObject.X += (float)num4;
						}
						else
						{
							bool flag24 = drawingObject.Right > (float)num2;
							if (flag24)
							{
								drawingObject.Width += (float)num4;
							}
						}
					}
				}
				bool flag25 = col < this.FreezePos.Col;
				if (flag25)
				{
					this.FreezePos = this.FixPos(new CellPosition(this.FreezePos.Row, this.FreezePos.Col + count));
				}
				this.selectionRange = this.FixRange(this.selectionRange);
				this.UpdateViewportController();
				EventHandler<ColumnsInsertedEventArgs> columnsInserted = this.ColumnsInserted;
				if (columnsInserted != null)
				{
					columnsInserted(this, new ColumnsInsertedEventArgs(col, count));
				}
				stopwatch.Stop();
				long elapsedMilliseconds = stopwatch.ElapsedMilliseconds;
				bool flag26 = elapsedMilliseconds > 15L;
				if (flag26)
				{
					Debug.WriteLine("insert cols: " + elapsedMilliseconds.ToString() + " ms.");
				}
			}
		}

		public void DeleteRows(int row, int count)
		{
			this.DeleteRows(row, count, null);
		}

		internal void DeleteRows(int row, int count, RemoveRowsAction action)
		{
			bool flag = row < 0 || row >= this.rows.Count;
			if (flag)
			{
				throw new ArgumentOutOfRangeException("count");
			}
			bool flag2 = count >= this.rows.Count;
			if (flag2)
			{
				throw new ArgumentOutOfRangeException("count");
			}
			bool flag3 = row + count > this.rows.Count;
			if (flag3)
			{
				throw new ArgumentOutOfRangeException("row + count, at least one row should be left");
			}
			Stopwatch stopwatch = Stopwatch.StartNew();
			int top = this.rows[row].Top;
			int endrow = row + count;
			int num = this.rows[endrow - 1].Bottom - this.rows[row].Top;
			float num2 = (float)num * this.renderScaleFactor;
			Debug.Assert(num > 0);
			int num3 = this.MaxContentRow + 1;
			int num4 = this.MaxContentCol + 1;
			this.suspendingUIUpdates = true;
			this.rows.RemoveRange(row, count);
			for (int i = row; i < this.rows.Count; i++)
			{
				this.rows[i].Row -= count;
				this.rows[i].Top -= num;
				Debug.Assert(this.rows[i].Row >= 0);
			}
			for (int j = 0; j <= this.cols.Count; j++)
			{
				Cell cell = this.cells[row, j];
				bool flag4 = j < this.cols.Count && cell != null;
				if (flag4)
				{
					bool flag5 = !cell.MergeStartPos.IsEmpty && cell.MergeStartPos.Row < row;
					if (flag5)
					{
						bool flag6 = cell.MergeStartPos.Col == j;
						if (flag6)
						{
							Cell cell2 = this.cells[cell.MergeStartPos.Row, cell.MergeStartPos.Col];
							Debug.Assert(cell2 != null);
							Debug.Assert(cell2.Colspan > 0);
							int num5 = Math.Min(count, cell.MergeEndPos.Row - row + 1);
							Cell cell3 = cell2;
							cell3.Rowspan -= (short)num5;
							Debug.Assert(cell2.Rowspan > 0);
							cell2.Height = (float)(this.rows[cell2.InternalRow + (int)cell2.Rowspan - 1].Bottom - this.rows[cell2.InternalRow].Top);
						}
						for (int k = cell.MergeStartPos.Row; k < row; k++)
						{
							Cell cell4 = this.cells[k, j];
							int num6 = Math.Min(count, cell4.MergeEndPos.Row - row + 1);
							cell4.MergeEndPos = cell4.MergeEndPos.Offset(-num6, 0);
						}
					}
				}
				bool flag7 = row > 0 && this.vBorders[row - 1, j] != null && this.vBorders[row - 1, j].Span > 0;
				if (flag7)
				{
					int num7 = 0;
					bool flag8 = this.vBorders[endrow, j] != null && this.vBorders[endrow, j].Span + count + 1 != this.vBorders[row - 1, j].Span && this.vBorders[endrow, j].Style.Equals(this.vBorders[row - 1, j].Style) && this.vBorders[endrow, j].Pos == this.vBorders[row - 1, j].Pos;
					if (flag8)
					{
						num7 = this.vBorders[endrow, j].Span;
					}
					int num8 = 0;
					bool flag9 = this.vBorders[row, j] != null && this.vBorders[row, j].Span > 0 && this.vBorders[row, j].Span == this.vBorders[row - 1, j].Span - 1;
					if (flag9)
					{
						num8 = Math.Min(this.vBorders[row, j].Span, count);
					}
					int num9 = this.vBorders[row - 1, j].Span;
					this.vBorders[row - 1, j].Span += num7 - num8;
					bool flag10 = row > 1;
					if (flag10)
					{
						for (int l = row - 2; l >= 0; l--)
						{
							bool flag11 = this.vBorders[l, j] != null && this.vBorders[l, j].Span == num9 + 1;
							if (!flag11)
							{
								break;
							}
							this.vBorders[l, j].Span += num7 - num8;
							num9++;
						}
					}
				}
			}
			int num10 = Math.Min(this.rows.Count + count, this.rows.Capacity);
			for (int m = 0; m < this.cols.Count; m++)
			{
				for (int n = endrow; n < num10; n++)
				{
					Cell cell5 = this.cells[n, m];
					bool flag12 = cell5 != null;
					if (flag12)
					{
						bool flag13 = cell5.MergeStartPos.Row >= endrow;
						if (flag13)
						{
							cell5.MergeStartPos = cell5.MergeStartPos.Offset(-count, 0);
							cell5.Top -= (float)num;
							cell5.TextBoundsTop -= num2;
						}
						else
						{
							bool flag14 = cell5.InternalRow >= endrow && cell5.IsValidCell;
							if (flag14)
							{
								cell5.Top -= (float)num;
								cell5.TextBoundsTop -= num2;
							}
							else
							{
								bool flag15 = cell5.MergeStartPos.Row >= row && cell5.MergeStartPos.Row < endrow;
								if (flag15)
								{
									bool flag16 = n == endrow && m == cell5.MergeStartPos.Col;
									if (flag16)
									{
										Cell cell6 = this.cells[cell5.MergeStartPos.Row, cell5.MergeStartPos.Col];
										Debug.Assert(cell6 != null);
										cell5.Rowspan = (short)((int)cell6.Rowspan - endrow + cell5.MergeStartPos.Row);
										cell5.Colspan = (short)(cell5.MergeEndPos.Col - cell5.MergeStartPos.Col + 1);
										cell5.Bounds = this.GetRangeBounds(cell5.MergeStartPos.Row, m, (int)cell5.Rowspan, (int)cell5.Colspan);
										CellUtility.CopyCellContent(cell5, cell6);
									}
									cell5.MergeStartPos = new CellPosition(row, cell5.MergeStartPos.Col);
								}
							}
						}
						int num11 = Math.Min(count, cell5.MergeEndPos.Row - cell5.MergeStartPos.Row);
						cell5.MergeEndPos = cell5.MergeEndPos.Offset(-num11, 0);
					}
				}
			}
			for (int num12 = 0; num12 <= num4; num12++)
			{
				for (int num13 = row; num13 <= num3; num13++)
				{
					Cell cell7 = this.cells[num13 + count, num12];
					this.cells[num13, num12] = cell7;
					bool flag17 = cell7 != null;
					if (flag17)
					{
						cell7.InternalRow -= count;
					}
					this.hBorders[num13, num12] = this.hBorders[num13 + count, num12];
					this.vBorders[num13, num12] = this.vBorders[num13 + count, num12];
				}
				bool flag18 = row == 0 || !this.IsInsideSameMergedCell(row - 1, num12, row, num12);
				if (flag18)
				{
					bool flag19 = this.hBorders[row, num12] != null && this.hBorders[row, num12].Span == 0;
					if (flag19)
					{
						this.hBorders[row, num12] = null;
					}
				}
			}
			OutlineCollection<ReoGridOutline> rowOutlines = this.GetOutlines(RowOrColumn.Row);
			bool flag20 = rowOutlines != null;
			if (flag20)
			{
				List<IReoGridOutline> removingOutlines = null;
				bool flag21 = action != null;
				if (flag21)
				{
					action.deletedOutlines = removingOutlines;
				}
				rowOutlines.IterateOutlines(delegate(ReoGridOutline o)
				{
					RangeModifyHelper.ProcessAfterDeleteRow(row, count, endrow, (IRowRange)o, delegate
					{
						bool flag40 = action != null;
						if (flag40)
						{
							bool flag41 = action.changedOutlines == null;
							if (flag41)
							{
								action.changedOutlines = new Dictionary<IReoGridOutline, BackupRangeInfo>();
							}
							action.changedOutlines[o] = new BackupRangeInfo(o.Start, o.Count);
						}
					}, delegate
					{
						bool flag40 = removingOutlines == null;
						if (flag40)
						{
							removingOutlines = new List<IReoGridOutline>();
						}
						removingOutlines.Add(o);
					});
					return true;
				});
				bool flag22 = removingOutlines != null;
				if (flag22)
				{
					bool flag23 = action != null;
					if (flag23)
					{
						action.deletedOutlines = removingOutlines;
					}
					foreach (IReoGridOutline outline in removingOutlines)
					{
						this.RemoveOutline(outline);
					}
				}
				List<IReoGridOutline> deletedOutlines2 = null;
				rowOutlines.IterateReverseOutlines(delegate(ReoGridOutline o)
				{
					bool flag40 = rowOutlines.HasSame(o, deletedOutlines2);
					if (flag40)
					{
						bool flag41 = deletedOutlines2 == null;
						if (flag41)
						{
							deletedOutlines2 = new List<IReoGridOutline>();
						}
						deletedOutlines2.Add(o);
					}
					return true;
				});
				bool flag24 = deletedOutlines2 != null;
				if (flag24)
				{
					bool flag25 = action != null;
					if (flag25)
					{
						bool flag26 = action.deletedOutlines == null;
						if (flag26)
						{
							action.deletedOutlines = deletedOutlines2;
						}
						else
						{
							action.deletedOutlines.AddRange(deletedOutlines2);
						}
					}
					foreach (IReoGridOutline outline2 in deletedOutlines2)
					{
						this.RemoveOutline(outline2);
					}
				}
			}
			List<NamedRange> removedNamedRange = null;
			foreach (string key in this.registeredNamedRanges.Keys)
			{
				NamedRange range = this.registeredNamedRanges[key];
				RangeModifyHelper.ProcessAfterDeleteRow(row, count, endrow, range, delegate
				{
					bool flag40 = action != null;
					if (flag40)
					{
						bool flag41 = action.changedNamedRange == null;
						if (flag41)
						{
							action.changedNamedRange = new Dictionary<NamedRange, BackupRangeInfo>();
						}
						action.changedNamedRange[range] = new BackupRangeInfo(range.Row, range.Rows);
					}
				}, delegate
				{
					bool flag40 = removedNamedRange == null;
					if (flag40)
					{
						removedNamedRange = new List<NamedRange>(1);
					}
					removedNamedRange.Add(range);
				});
			}
			bool flag27 = action != null;
			if (flag27)
			{
				action.deletedNamedRanges = removedNamedRange;
			}
			bool flag28 = removedNamedRange != null;
			if (flag28)
			{
				foreach (NamedRange namedRange in removedNamedRange)
				{
					this.UndefineNamedRange(namedRange.Name);
				}
			}
			for (int num14 = 0; num14 < this.highlightRanges.Count; num14++)
			{
				HighlightRange range = this.highlightRanges[num14];
				RangeModifyHelper.ProcessAfterDeleteRow(row, count, endrow, range, delegate
				{
					bool flag40 = action != null;
					if (flag40)
					{
						bool flag41 = action.changedHighlightRanges == null;
						if (flag41)
						{
							action.changedHighlightRanges = new Dictionary<HighlightRange, BackupRangeInfo>();
						}
						action.changedHighlightRanges[range] = new BackupRangeInfo(range.Row, range.Rows);
					}
				}, delegate
				{
					bool flag40 = action != null;
					if (flag40)
					{
						bool flag41 = action.deletedHighlightRanges == null;
						if (flag41)
						{
							action.deletedHighlightRanges = new List<HighlightRange>();
						}
						action.deletedHighlightRanges.Add(range);
					}
					this.RemoveHighlightRange(range);
				});
			}
			bool flag29 = this.drawingCanvas.drawingObjects != null;
			if (flag29)
			{
				foreach (IDrawingObject drawingObject in this.drawingCanvas.drawingObjects)
				{
					bool flag30 = drawingObject.Y >= (float)top;
					if (flag30)
					{
						drawingObject.Y -= (float)num;
					}
					else
					{
						bool flag31 = drawingObject.Bottom > (float)top;
						if (flag31)
						{
							float num15 = drawingObject.Height - (float)num;
							bool flag32 = num15 < 0f;
							if (flag32)
							{
								num15 = 0f;
							}
							drawingObject.Height = num15;
						}
					}
				}
			}
			bool flag33 = this.cells.MaxRow >= endrow;
			if (flag33)
			{
				this.cells.MaxRow -= count;
			}
			bool flag34 = this.hBorders.MaxRow >= endrow;
			if (flag34)
			{
				this.hBorders.MaxRow -= count;
			}
			bool flag35 = this.vBorders.MaxRow >= endrow;
			if (flag35)
			{
				this.vBorders.MaxRow -= count;
			}
			bool flag36 = row < this.FreezePos.Row;
			if (flag36)
			{
				this.FreezePos = this.FixPos(new CellPosition(this.FreezePos.Row - count, this.FreezePos.Col));
				bool flag37 = this.FreezePos.Row < 1;
				if (flag37)
				{
					bool flag38 = this.rows.Count > 1;
					if (flag38)
					{
						this.FreezePos = new CellPosition(1, this.FreezePos.Col);
					}
					else
					{
						this.FreezePos = new CellPosition(0, this.FreezePos.Col);
					}
				}
			}
			this.suspendingUIUpdates = false;
			this.UpdateViewportController();
			RangePosition rangePosition = this.FixRange(this.selectionRange);
			this.ApplyRangeSelection(rangePosition.StartPos, rangePosition.EndPos, false);
			stopwatch.Stop();
			long elapsedMilliseconds = stopwatch.ElapsedMilliseconds;
			bool flag39 = elapsedMilliseconds > 20L;
			if (flag39)
			{
				Debug.WriteLine("delete rows takes " + elapsedMilliseconds.ToString() + " ms.");
			}
			EventHandler<RowsDeletedEventArgs> rowsDeleted = this.RowsDeleted;
			if (rowsDeleted != null)
			{
				rowsDeleted(this, new RowsDeletedEventArgs(row, count));
			}
		}

		public void DeleteColumns(int col, int count)
		{
			this.DeleteColumns(col, count, null);
		}

		internal void DeleteColumns(int col, int count, RemoveColumnsAction action)
		{
			bool flag = col < 0 || col >= this.cols.Count;
			if (flag)
			{
				throw new ArgumentOutOfRangeException("count");
			}
			bool flag2 = count >= this.cols.Count;
			if (flag2)
			{
				throw new ArgumentOutOfRangeException("count");
			}
			bool flag3 = col + count > this.cols.Count;
			if (flag3)
			{
				throw new ArgumentOutOfRangeException("col + count, at least one column should be left");
			}
			Stopwatch stopwatch = Stopwatch.StartNew();
			int num = this.MaxContentRow + 1;
			int num2 = this.MaxContentCol + 1;
			int left = this.cols[col].Left;
			int endcol = col + count;
			int num3 = this.cols[endcol - 1].Right - this.cols[col].Left;
			float num4 = (float)num3 * this.renderScaleFactor;
			this.suspendingUIUpdates = true;
			this.cols.RemoveRange(col, count);
			for (int i = col; i < this.cols.Count; i++)
			{
				this.cols[i].Col -= count;
				this.cols[i].Left -= num3;
				bool flag4 = this.cols[i].Text == null;
				if (flag4)
				{
					this.cols[i].RenderText = RGUtility.GetAlphaChar((long)i);
				}
				Debug.Assert(this.cols[i].Col >= 0);
			}
			for (int j = 0; j <= this.rows.Count; j++)
			{
				Cell cell = this.cells[j, col];
				bool flag5 = j < this.rows.Count && cell != null;
				if (flag5)
				{
					bool flag6 = !cell.MergeStartPos.IsEmpty && cell.MergeStartPos.Col < col;
					if (flag6)
					{
						bool flag7 = cell.MergeStartPos.Row == j;
						if (flag7)
						{
							Cell cell2 = this.cells[cell.MergeStartPos.Row, cell.MergeStartPos.Col];
							Debug.Assert(cell2.Colspan > 0);
							int num5 = Math.Min(count, cell.MergeEndPos.Col - col + 1);
							Cell cell3 = cell2;
							cell3.Colspan -= (short)num5;
							cell2.Width = (float)(this.cols[cell2.InternalCol + (int)cell2.Colspan - 1].Right - this.cols[cell2.InternalCol].Left);
							Debug.Assert(cell2.Colspan > 0);
						}
						for (int k = cell.MergeStartPos.Col; k < col; k++)
						{
							Cell cell4 = this.cells[j, k];
							int num6 = Math.Min(count, cell4.MergeEndPos.Col - col + 1);
							cell4.MergeEndPos = cell4.MergeEndPos.Offset(0, -num6);
						}
					}
				}
				bool flag8 = col > 0 && this.hBorders[j, col - 1] != null && this.hBorders[j, col - 1].Span > 0;
				if (flag8)
				{
					int num7 = 0;
					bool flag9 = this.hBorders[j, endcol] != null && this.hBorders[j, endcol].Span + count + 1 != this.hBorders[j, col - 1].Span && this.hBorders[j, endcol].Style.Equals(this.hBorders[j, col - 1].Style) && this.hBorders[j, endcol].Pos == this.hBorders[j, col - 1].Pos;
					if (flag9)
					{
						num7 = this.hBorders[j, endcol].Span;
					}
					int num8 = 0;
					bool flag10 = this.hBorders[j, col] != null && this.hBorders[j, col].Span > 0 && this.hBorders[j, col].Span == this.hBorders[j, col - 1].Span - 1;
					if (flag10)
					{
						num8 = Math.Min(this.hBorders[j, col].Span, count);
					}
					int num9 = this.hBorders[j, col - 1].Span;
					this.hBorders[j, col - 1].Span += num7 - num8;
					bool flag11 = col > 1;
					if (flag11)
					{
						for (int l = col - 2; l >= 0; l--)
						{
							bool flag12 = this.hBorders[j, l] != null && this.hBorders[j, l].Span == num9 + 1;
							if (!flag12)
							{
								break;
							}
							this.hBorders[j, l].Span += num7 - num8;
							num9++;
						}
					}
				}
			}
			int num10 = Math.Min(this.cols.Count + count, this.cols.Capacity);
			for (int m = 0; m < this.rows.Count; m++)
			{
				for (int n = endcol; n < num10; n++)
				{
					Cell cell5 = this.cells[m, n];
					bool flag13 = cell5 != null;
					if (flag13)
					{
						bool flag14 = cell5.MergeStartPos.Col >= endcol;
						if (flag14)
						{
							cell5.MergeStartPos = cell5.MergeStartPos.Offset(0, -count);
							cell5.Left -= (float)num3;
							cell5.TextBoundsLeft -= num4;
						}
						else
						{
							bool flag15 = cell5.InternalCol >= endcol && cell5.IsValidCell;
							if (flag15)
							{
								cell5.Left -= (float)num3;
								cell5.TextBoundsLeft -= num4;
							}
							else
							{
								bool flag16 = cell5.MergeStartPos.Col >= col && cell5.MergeStartPos.Col < endcol;
								if (flag16)
								{
									bool flag17 = n == endcol && m == this.cells[m, n].MergeStartPos.Row;
									if (flag17)
									{
										Cell cell6 = this.cells[cell5.MergeStartPos.Row, cell5.MergeStartPos.Col];
										Debug.Assert(cell6 != null);
										cell5.Rowspan = (short)(cell5.MergeEndPos.Row - cell5.MergeStartPos.Row + 1);
										cell5.Colspan = (short)((int)cell6.Colspan - endcol + cell5.MergeStartPos.Col);
										cell5.Bounds = this.GetRangeBounds(m, cell5.MergeStartPos.Col, (int)cell5.Rowspan, (int)cell5.Colspan);
										CellUtility.CopyCellContent(cell5, cell6);
									}
									cell5.MergeStartPos = new CellPosition(cell5.MergeStartPos.Row, col);
								}
							}
						}
						int num11 = Math.Min(count, cell5.MergeEndPos.Col - cell5.MergeStartPos.Col);
						cell5.MergeEndPos = cell5.MergeEndPos.Offset(0, -num11);
					}
				}
			}
			for (int num12 = 0; num12 <= num; num12++)
			{
				for (int num13 = col; num13 <= num2; num13++)
				{
					Cell cell7 = this.cells[num12, num13 + count];
					this.cells[num12, num13] = cell7;
					bool flag18 = cell7 != null;
					if (flag18)
					{
						cell7.InternalCol -= count;
					}
					this.hBorders[num12, num13] = this.hBorders[num12, num13 + count];
					this.vBorders[num12, num13] = this.vBorders[num12, num13 + count];
				}
				bool flag19 = col == 0 || !this.IsInsideSameMergedCell(num12, col - 1, num12, col);
				if (flag19)
				{
					bool flag20 = this.vBorders[num12, col] != null && this.vBorders[num12, col].Span == 0;
					if (flag20)
					{
						this.vBorders[num12, col] = null;
					}
				}
			}
			OutlineCollection<ReoGridOutline> colOutlines = this.GetOutlines(RowOrColumn.Column);
			bool flag21 = colOutlines != null;
			if (flag21)
			{
				List<IReoGridOutline> removingOutlines = null;
				bool flag22 = action != null;
				if (flag22)
				{
					action.deletedOutlines = removingOutlines;
				}
				colOutlines.IterateOutlines(delegate(ReoGridOutline o)
				{
					RangeModifyHelper.ProcessAfterDeleteColumn(col, count, endcol, (IColumnRange)o, delegate
					{
						bool flag41 = action != null;
						if (flag41)
						{
							bool flag42 = action.changedOutlines == null;
							if (flag42)
							{
								action.changedOutlines = new Dictionary<IReoGridOutline, BackupRangeInfo>();
							}
							action.changedOutlines[o] = new BackupRangeInfo(o.Start, o.Count);
						}
					}, delegate
					{
						bool flag41 = removingOutlines == null;
						if (flag41)
						{
							removingOutlines = new List<IReoGridOutline>();
						}
						removingOutlines.Add(o);
					});
					return true;
				});
				bool flag23 = removingOutlines != null;
				if (flag23)
				{
					bool flag24 = action != null;
					if (flag24)
					{
						action.deletedOutlines = removingOutlines;
					}
					foreach (IReoGridOutline outline in removingOutlines)
					{
						this.RemoveOutline(outline);
					}
				}
				List<IReoGridOutline> deletedOutlines2 = null;
				colOutlines.IterateReverseOutlines(delegate(ReoGridOutline o)
				{
					bool flag41 = colOutlines.HasSame(o, deletedOutlines2);
					if (flag41)
					{
						bool flag42 = deletedOutlines2 == null;
						if (flag42)
						{
							deletedOutlines2 = new List<IReoGridOutline>();
						}
						deletedOutlines2.Add(o);
					}
					return true;
				});
				bool flag25 = deletedOutlines2 != null;
				if (flag25)
				{
					bool flag26 = action != null;
					if (flag26)
					{
						bool flag27 = action.deletedOutlines == null;
						if (flag27)
						{
							action.deletedOutlines = deletedOutlines2;
						}
						else
						{
							action.deletedOutlines.AddRange(deletedOutlines2);
						}
					}
					foreach (IReoGridOutline outline2 in deletedOutlines2)
					{
						this.RemoveOutline(outline2);
					}
				}
			}
			List<NamedRange> removedNamedRange = null;
			foreach (string key in this.registeredNamedRanges.Keys)
			{
				NamedRange range = this.registeredNamedRanges[key];
				RangeModifyHelper.ProcessAfterDeleteColumn(col, count, endcol, range, delegate
				{
					bool flag41 = action != null;
					if (flag41)
					{
						bool flag42 = action.changedNamedRange == null;
						if (flag42)
						{
							action.changedNamedRange = new Dictionary<NamedRange, BackupRangeInfo>();
						}
						action.changedNamedRange[range] = new BackupRangeInfo(range.Col, range.Cols);
					}
				}, delegate
				{
					bool flag41 = removedNamedRange == null;
					if (flag41)
					{
						removedNamedRange = new List<NamedRange>(1);
					}
					removedNamedRange.Add(range);
				});
			}
			bool flag28 = action != null;
			if (flag28)
			{
				action.deletedNamedRanges = removedNamedRange;
			}
			bool flag29 = removedNamedRange != null;
			if (flag29)
			{
				foreach (NamedRange namedRange in removedNamedRange)
				{
					this.UndefineNamedRange(namedRange.Name);
				}
			}
			for (int num14 = 0; num14 < this.highlightRanges.Count; num14++)
			{
				HighlightRange range = this.highlightRanges[num14];
				RangeModifyHelper.ProcessAfterDeleteColumn(col, count, endcol, range, delegate
				{
					bool flag41 = action != null;
					if (flag41)
					{
						bool flag42 = action.changedHighlightRanges == null;
						if (flag42)
						{
							action.changedHighlightRanges = new Dictionary<HighlightRange, BackupRangeInfo>();
						}
						action.changedHighlightRanges[range] = new BackupRangeInfo(range.Col, range.Cols);
					}
				}, delegate
				{
					bool flag41 = action != null;
					if (flag41)
					{
						bool flag42 = action.deletedHighlightRanges == null;
						if (flag42)
						{
							action.deletedHighlightRanges = new List<HighlightRange>();
						}
						action.deletedHighlightRanges.Add(range);
					}
					this.RemoveHighlightRange(range);
				});
			}
			bool flag30 = this.drawingCanvas.drawingObjects != null;
			if (flag30)
			{
				foreach (IDrawingObject drawingObject in this.drawingCanvas.drawingObjects)
				{
					bool flag31 = drawingObject.X >= (float)left;
					if (flag31)
					{
						drawingObject.X -= (float)num3;
					}
					else
					{
						bool flag32 = drawingObject.Right > (float)left;
						if (flag32)
						{
							float num15 = drawingObject.Width - (float)num3;
							bool flag33 = num15 < 0f;
							if (flag33)
							{
								num15 = 0f;
							}
							drawingObject.Width = num15;
						}
					}
				}
			}
			bool flag34 = this.cells.MaxCol >= endcol;
			if (flag34)
			{
				this.cells.MaxCol -= count;
			}
			bool flag35 = this.hBorders.MaxCol >= endcol;
			if (flag35)
			{
				this.hBorders.MaxCol -= count;
			}
			bool flag36 = this.vBorders.MaxCol >= endcol;
			if (flag36)
			{
				this.vBorders.MaxCol -= count;
			}
			bool flag37 = col < this.FreezePos.Col;
			if (flag37)
			{
				this.FreezePos = this.FixPos(new CellPosition(this.FreezePos.Col, this.FreezePos.Col - count));
				bool flag38 = this.FreezePos.Col < 1;
				if (flag38)
				{
					bool flag39 = this.cols.Count > 1;
					if (flag39)
					{
						this.FreezePos = new CellPosition(this.FreezePos.Row, 1);
					}
					else
					{
						this.FreezePos = new CellPosition(this.FreezePos.Row, 0);
					}
				}
			}
			this.suspendingUIUpdates = false;
			this.UpdateViewportController();
			RangePosition rangePosition = this.FixRange(this.selectionRange);
			this.ApplyRangeSelection(rangePosition.StartPos, rangePosition.EndPos, false);
			stopwatch.Stop();
			long elapsedMilliseconds = stopwatch.ElapsedMilliseconds;
			bool flag40 = elapsedMilliseconds > 20L;
			if (flag40)
			{
				Debug.WriteLine("deleting columns takes " + elapsedMilliseconds.ToString() + " ms.");
			}
			EventHandler<ColumnsDeletedEventArgs> columnsDeleted = this.ColumnsDeleted;
			if (columnsDeleted != null)
			{
				columnsDeleted(this, new ColumnsDeletedEventArgs(col, count));
			}
		}

		public void HideRows(int row, int count)
		{
			this.SetRowsHeight(row, count, 0);
		}

		public void ShowRows(int row, int count)
		{
			this.SetRowsHeight(row, count, delegate(int r)
			{
				RowHeader rowHeader = this.rows[r];
				return (int)(rowHeader.IsVisible ? rowHeader.InnerHeight : rowHeader.LastHeight);
			}, true);
		}

		public void HideColumns(int col, int count)
		{
			this.SetColumnsWidth(col, count, 0);
		}

		public void ShowColumns(int col, int count)
		{
			this.SetColumnsWidth(col, count, delegate(int c)
			{
				ColumnHeader columnHeader = this.cols[c];
				return (int)(columnHeader.IsVisible ? columnHeader.InnerWidth : columnHeader.LastWidth);
			}, true, true);
		}

		public bool IsRowVisible(int row)
		{
			bool flag = row < 0 || row >= this.RowCount;
			return !flag && this.rows[row].IsVisible;
		}

		public bool IsColumnVisible(int col)
		{
			bool flag = col < 0 || col >= this.ColumnCount;
			return !flag && this.cols[col].IsVisible;
		}

		public int ColumnCount
		{
			get
			{
				return this.cols.Count;
			}
			set
			{
				this.SetCols(value);
			}
		}

		public int RowCount
		{
			get
			{
				return this.rows.Count;
			}
			set
			{
				this.SetRows(value);
			}
		}

		internal RowHeader RetrieveRowHeader(int index)
		{
			return this.rows[index];
		}

		internal ColumnHeader RetrieveColumnHeader(int index)
		{
			return this.cols[index];
		}

		public RowHeader GetRowHeader(int index)
		{
			return (index < 0 || index >= this.rows.Count) ? null : this.rows[index];
		}

		public ColumnHeader GetColumnHeader(int index)
		{
			return (index < 0 || index >= this.cols.Count) ? null : this.cols[index];
		}

		public Worksheet.RowHeaderCollection RowHeaders
		{
			get
			{
				bool flag = this.rowHeaderCollection == null;
				if (flag)
				{
					this.rowHeaderCollection = new Worksheet.RowHeaderCollection(this);
				}
				return this.rowHeaderCollection;
			}
		}

		public Worksheet.ColumnHeaderCollection ColumnHeaders
		{
			get
			{
				bool flag = this.colHeaderCollection == null;
				if (flag)
				{
					this.colHeaderCollection = new Worksheet.ColumnHeaderCollection(this);
				}
				return this.colHeaderCollection;
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<RowsInsertedEventArgs> RowsInserted;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<RowsDeletedEventArgs> RowsDeleted;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<ColumnsInsertedEventArgs> ColumnsInserted;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<ColumnsDeletedEventArgs> ColumnsDeleted;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<RowsHeightChangedEventArgs> RowsHeightChanged;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<ColumnsWidthChangedEventArgs> ColumnsWidthChanged;

		public RowOutlineCollection RowOutlines
		{
			get
			{
				bool flag = this.rowOutlineCollection == null;
				if (flag)
				{
					this.rowOutlineCollection = new RowOutlineCollection(this);
				}
				return this.rowOutlineCollection;
			}
		}

		public ColumnOutlineCollection ColumnOutlines
		{
			get
			{
				bool flag = this.columnOutlineCollection == null;
				if (flag)
				{
					this.columnOutlineCollection = new ColumnOutlineCollection(this);
				}
				return this.columnOutlineCollection;
			}
		}

		public OutlineCollection<ReoGridOutline> GetOutlines(RowOrColumn flag)
		{
			return (this.outlines == null) ? null : this.outlines[flag];
		}

		public void IterateOutlines(RowOrColumn flag, Func<OutlineGroup<ReoGridOutline>, ReoGridOutline, bool> iterator)
		{
			bool flag2 = iterator == null;
			if (flag2)
			{
				throw new ArgumentNullException("iterator", "iterator cannot be null");
			}
			OutlineCollection<ReoGridOutline> outlineCollection = null;
			bool flag3 = this.outlines != null && this.outlines.TryGetValue(flag, out outlineCollection);
			if (flag3)
			{
				foreach (OutlineGroup<ReoGridOutline> outlineGroup in outlineCollection)
				{
					foreach (ReoGridOutline arg in outlineGroup)
					{
						bool flag4 = !iterator(outlineGroup, arg);
						if (flag4)
						{
							return;
						}
					}
				}
			}
		}

		private static void InsertOutline(OutlineCollection<ReoGridOutline> outlineGroups, int groupIndex, ReoGridOutline outline)
		{
			bool flag = groupIndex < 0;
			if (flag)
			{
				outlineGroups.Insert(0, new OutlineGroup<ReoGridOutline>
				{
					outline
				});
			}
			else
			{
				OutlineGroup<ReoGridOutline> outlineGroup = outlineGroups[groupIndex];
				for (int i = 0; i < outlineGroup.Count; i++)
				{
					ReoGridOutline reoGridOutline = outlineGroup[i];
					bool flag2 = reoGridOutline.Contains(outline);
					if (flag2)
					{
						outlineGroup.RemoveAt(i);
						Worksheet.InsertOutline(outlineGroups, groupIndex - 1, reoGridOutline);
						break;
					}
				}
				outlineGroup.Add(outline);
			}
		}

		public ReoGridOutline GroupColumns(int col, int count)
		{
			return this.AddOutline(RowOrColumn.Column, col, count);
		}

		public ReoGridOutline GroupRows(int row, int count)
		{
			return this.AddOutline(RowOrColumn.Row, row, count);
		}

		public ReoGridOutline AddOutline(RowOrColumn flag, int start, int count)
		{
			bool flag2 = flag == RowOrColumn.Both;
			ReoGridOutline result;
			if (flag2)
			{
				this.AddOutline(RowOrColumn.Column, start, count);
				result = this.AddOutline(RowOrColumn.Row, start, count);
			}
			else
			{
				int num = ((flag == RowOrColumn.Row) ? this.rows.Count : this.cols.Count) - 1;
				bool flag3 = start < 0 || start >= num;
				if (flag3)
				{
					throw new OutlineOutOfRangeException(start, count, "row");
				}
				bool flag4 = count < 0 || start + count > num;
				if (flag4)
				{
					throw new OutlineOutOfRangeException(start, count, "count");
				}
				bool flag5 = count == 0;
				if (flag5)
				{
					result = null;
				}
				else
				{
					bool flag6 = this.outlines == null;
					if (flag6)
					{
						this.outlines = new Dictionary<RowOrColumn, OutlineCollection<ReoGridOutline>>
						{
							{
								RowOrColumn.Row,
								new OutlineCollection<ReoGridOutline>()
							},
							{
								RowOrColumn.Column,
								new OutlineCollection<ReoGridOutline>()
							}
						};
					}
					OutlineCollection<ReoGridOutline> outlineCollection = this.outlines[flag];
					bool flag7 = outlineCollection.Count >= 9;
					if (flag7)
					{
						throw new OutlineTooMuchException();
					}
					int num2 = start + count;
					int groupIndex = outlineCollection.Count - 2;
					ReoGridOutline reoGridOutline = null;
					bool flag8 = false;
					bool flag9 = flag == RowOrColumn.Row;
					if (flag9)
					{
						reoGridOutline = new RowOutline(this, start, count);
					}
					else
					{
						reoGridOutline = new ColumnOutline(this, start, count);
					}
					for (int i = 0; i < outlineCollection.Count - 1; i++)
					{
						OutlineGroup<ReoGridOutline> outlineGroup = outlineCollection[i];
						foreach (ReoGridOutline reoGridOutline2 in outlineGroup)
						{
							bool flag10 = start == reoGridOutline2.Start && num2 == reoGridOutline2.End;
							if (flag10)
							{
								throw new OutlineAlreadyDefinedException();
							}
							bool flag11 = reoGridOutline.IntersectWith(reoGridOutline2);
							if (flag11)
							{
								throw new OutlineIntersectedException
								{
									Start = reoGridOutline2.Start,
									Count = reoGridOutline2.Count
								};
							}
							bool flag12 = reoGridOutline.Contains(reoGridOutline2);
							if (flag12)
							{
								groupIndex = i - 1;
								flag8 = true;
							}
						}
						bool flag13 = flag8;
						if (flag13)
						{
							break;
						}
					}
					Worksheet.InsertOutline(outlineCollection, groupIndex, reoGridOutline);
					bool flag14 = this.viewportController != null;
					if (flag14)
					{
						bool flag15 = flag == RowOrColumn.Row;
						if (flag15)
						{
							bool flag16 = this.settings.Has(WorksheetSettings.View_AllowShowRowOutlines);
							if (flag16)
							{
								this.viewportController.SetViewVisible(ViewTypes.RowOutline, true);
							}
						}
						else
						{
							bool flag17 = this.settings.Has(WorksheetSettings.View_AllowShowColumnOutlines);
							if (flag17)
							{
								this.viewportController.SetViewVisible(ViewTypes.ColOutline, true);
							}
						}
						this.viewportController.UpdateController();
						this.RequestInvalidate();
					}
					bool flag18 = this.OutlineAdded != null;
					if (flag18)
					{
						this.OutlineAdded(this, new OutlineAddedEventArgs(reoGridOutline));
					}
					result = reoGridOutline;
				}
			}
			return result;
		}

		public IReoGridOutline GetOutline(RowOrColumn flag, int start, int count)
		{
			ReoGridOutline reoGridOutline = null;
			OutlineCollection<ReoGridOutline> outlineCollection = this.outlines[flag];
			Func<ReoGridOutline, bool> callFunc = null;
			foreach (OutlineGroup<ReoGridOutline> outlineGroup in outlineCollection)
			{
				IEnumerable<ReoGridOutline> source = outlineGroup;
				Func<ReoGridOutline, bool> predicate;
				if ((predicate = callFunc) == null)
				{
					predicate = (callFunc = ((ReoGridOutline o) => o.Start == start && o.Count == count));
				}
				reoGridOutline = source.FirstOrDefault(predicate);
				bool flag2 = reoGridOutline != null;
				if (flag2)
				{
					break;
				}
			}
			return reoGridOutline;
		}

		public IReoGridOutline CollapseOutline(RowOrColumn flag, int start, int count)
		{
			IReoGridOutline outline = this.GetOutline(flag, start, count);
			outline.Collapse();
			return outline;
		}

		public IReoGridOutline ExpandOutline(RowOrColumn flag, int start, int count)
		{
			IReoGridOutline outline = this.GetOutline(flag, start, count);
			outline.Expand();
			return outline;
		}

		private static void RearrangementOutline(OutlineCollection<ReoGridOutline> outlineGroups, int startGroup)
		{
			bool flag = startGroup >= outlineGroups.Count - 1 || startGroup < 1;
			if (!flag)
			{
				OutlineGroup<ReoGridOutline> outlineGroup = outlineGroups[startGroup];
				for (;;)
				{
					IL_26:
					for (int i = 0; i < outlineGroup.Count; i++)
					{
						ReoGridOutline or = outlineGroup[i];
						OutlineGroup<ReoGridOutline> outlineGroup2 = outlineGroups[startGroup - 1];
						ReoGridOutline reoGridOutline = outlineGroup2.FirstOrDefault((ReoGridOutline _o) => (_o.Start <= or.Start && _o.Count >= or.Start) || (_o.Start <= or.End && _o.End >= or.End));
						bool flag2 = reoGridOutline == null;
						if (flag2)
						{
							outlineGroup.RemoveAt(i);
							outlineGroup2.Add(or);
							bool flag3 = outlineGroup.Count == 0;
							if (flag3)
							{
								outlineGroups.RemoveAt(startGroup);
								Worksheet.RearrangementOutline(outlineGroups, startGroup);
							}
							else
							{
								Worksheet.RearrangementOutline(outlineGroups, startGroup + 1);
							}
							goto IL_26;
						}
					}
					break;
				}
			}
		}

		public IReoGridOutline RemoveOutline(RowOrColumn flag, int start, int count)
		{
			IReoGridOutline outline = this.GetOutline(flag, start, count);
			bool flag2 = outline != null;
			if (flag2)
			{
				this.RemoveOutline(outline);
			}
			return outline;
		}

		public bool RemoveOutline(IReoGridOutline outline)
		{
			RowOrColumn rowOrColumn = (outline is RowOutline) ? RowOrColumn.Row : RowOrColumn.Column;
			OutlineCollection<ReoGridOutline> outlineCollection = this.GetOutlines(rowOrColumn);
			bool flag = outlineCollection == null;
			bool result;
			if (flag)
			{
				result = false;
			}
			else
			{
				bool flag2 = false;
				for (int i = 0; i < outlineCollection.Count - 1; i++)
				{
					OutlineGroup<ReoGridOutline> outlineGroup = outlineCollection[i];
					for (int j = 0; j < outlineGroup.Count; j++)
					{
						ReoGridOutline reoGridOutline = outlineGroup[j];
						bool flag3 = reoGridOutline == outline;
						if (flag3)
						{
							outlineGroup.Remove(reoGridOutline);
							Worksheet.RearrangementOutline(outlineCollection, i + 1);
							bool flag4 = outlineGroup.Count == 0;
							if (flag4)
							{
								outlineCollection.RemoveAt(i);
							}
							flag2 = true;
							break;
						}
					}
					bool flag5 = flag2;
					if (flag5)
					{
						break;
					}
				}
				bool flag6 = flag2;
				if (flag6)
				{
					bool flag7 = this.viewportController != null;
					if (flag7)
					{
						bool flag8 = outlineCollection.Count <= 1;
						if (flag8)
						{
							this.viewportController.SetViewVisible((rowOrColumn == RowOrColumn.Row) ? ViewTypes.RowOutline : ViewTypes.ColOutline, false);
						}
						this.UpdateViewportController();
					}
					this.RequestInvalidate();
					bool flag9 = this.OutlineRemoved != null;
					if (flag9)
					{
						this.OutlineRemoved(this, new OutlineRemovedEventArgs(outline));
					}
				}
				result = flag2;
			}
			return result;
		}

		public void UngroupRows(int row, int count)
		{
			this.RemoveOutline(RowOrColumn.Row, row, count);
		}

		public void UngroupColumns(int col, int count)
		{
			this.RemoveOutline(RowOrColumn.Column, col, count);
		}

		public void UngroupAllRows()
		{
			bool flag = this.outlines == null;
			if (!flag)
			{
				OutlineCollection<ReoGridOutline> outlineCollection = this.outlines[RowOrColumn.Row];
				bool flag2 = outlineCollection != null;
				if (flag2)
				{
					outlineCollection.Reset();
					bool flag3 = this.viewportController != null;
					if (flag3)
					{
						this.viewportController.SetViewVisible(ViewTypes.RowOutline, false);
						this.UpdateViewportController();
						this.RequestInvalidate();
					}
				}
			}
		}

		public void UngroupAllColumns()
		{
			bool flag = this.outlines == null;
			if (!flag)
			{
				OutlineCollection<ReoGridOutline> outlineCollection = this.outlines[RowOrColumn.Column];
				bool flag2 = outlineCollection != null;
				if (flag2)
				{
					outlineCollection.Reset();
					bool flag3 = this.viewportController != null;
					if (flag3)
					{
						this.viewportController.SetViewVisible(ViewTypes.ColOutline, false);
						this.UpdateViewportController();
						this.RequestInvalidate();
					}
				}
			}
		}

		internal void ClearOutlines(RowOrColumn flag)
		{
			bool flag2 = this.outlines == null;
			if (!flag2)
			{
				ViewTypes viewTypes = ViewTypes.None;
				bool flag3 = (flag & RowOrColumn.Row) == RowOrColumn.Row;
				if (flag3)
				{
					this.outlines[RowOrColumn.Row].Reset();
					viewTypes |= ViewTypes.RowOutline;
				}
				bool flag4 = (flag & RowOrColumn.Column) == RowOrColumn.Column;
				if (flag4)
				{
					this.outlines[RowOrColumn.Column].Reset();
					viewTypes |= ViewTypes.ColOutline;
				}
				bool flag5 = this.viewportController != null;
				if (flag5)
				{
					this.viewportController.SetViewVisible(viewTypes, false);
					this.viewportController.UpdateController();
				}
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<OutlineAddedEventArgs> OutlineAdded;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<OutlineRemovedEventArgs> OutlineRemoved;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<BeforeOutlineCollapseEventArgs> BeforeOutlineCollapse;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<AfterOutlineCollapseEventArgs> AfterOutlineCollapse;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<BeforeOutlineExpandingEventArgs> BeforeOutlineExpand;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<AfterOutlineExpandingEventArgs> AfterOutlineExpand;

		internal void RaiseBeforeOutlineCollapseEvent(BeforeOutlineCollapseEventArgs arg)
		{
			bool flag = this.BeforeOutlineCollapse != null;
			if (flag)
			{
				this.BeforeOutlineCollapse(this, arg);
			}
		}

		internal void RaiseAfterOutlineCollapseEvent(AfterOutlineCollapseEventArgs arg)
		{
			bool flag = this.AfterOutlineCollapse != null;
			if (flag)
			{
				this.AfterOutlineCollapse(this, arg);
			}
		}

		internal void RaiseBeforeOutlineExpandEvent(BeforeOutlineExpandingEventArgs arg)
		{
			bool flag = this.BeforeOutlineExpand != null;
			if (flag)
			{
				this.BeforeOutlineExpand(this, arg);
			}
		}

		internal void RaiseAfterOutlineExpandEvent(AfterOutlineExpandingEventArgs arg)
		{
			bool flag = this.AfterOutlineExpand != null;
			if (flag)
			{
				this.AfterOutlineExpand(this, arg);
			}
		}

		public PartialGrid GetPartialGrid(string addressOrName)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			PartialGrid partialGrid;
			if (flag)
			{
				partialGrid = this.GetPartialGrid(new RangePosition(addressOrName));
			}
			else
			{
				NamedRange namedRange;
				bool flag2 = this.TryGetNamedRange(addressOrName, out namedRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				partialGrid = this.GetPartialGrid(namedRange.Position);
			}
			return partialGrid;
		}

		public PartialGrid GetPartialGrid(int row, int col, int rows, int cols)
		{
			return this.GetPartialGrid(new RangePosition(row, col, rows, cols));
		}

		public PartialGrid GetPartialGrid(RangePosition range)
		{
			return this.GetPartialGrid(range, PartialGridCopyFlag.All, ExPartialGridCopyFlag.BorderOutsideOwner, false);
		}

		internal PartialGrid GetPartialGrid(RangePosition range, PartialGridCopyFlag flag, ExPartialGridCopyFlag exFlag, bool checkIntersectedRange = false)
		{
			range = this.FixRange(range);
			if (checkIntersectedRange)
			{
				RangePosition rangePosition = this.CheckIntersectedMergingRange(range);
				bool flag2 = rangePosition != RangePosition.Empty;
				if (flag2)
				{
					throw new RangeIntersectionException(rangePosition);
				}
			}
			int rows = range.Rows;
			int cols = range.Cols;
			PartialGrid data = new PartialGrid
			{
				Columns = cols,
				Rows = rows
			};
			bool flag3 = (flag & PartialGridCopyFlag.CellData) == PartialGridCopyFlag.CellData || (flag & PartialGridCopyFlag.CellStyle) == PartialGridCopyFlag.CellStyle;
			if (flag3)
			{
				data.Cells = new Index4DArray<Cell>();
				for (int i = range.Row; i <= range.EndRow; i++)
				{
					for (int j = range.Col; j <= range.EndCol; j++)
					{
						Cell cell = this.cells[i, j];
						int row = i - range.Row;
						int col = j - range.Col;
						Cell cell2 = null;
						bool flag4 = cell != null;
						if (flag4)
						{
							cell2 = new Cell(this);
							CellUtility.CopyCell(cell2, cell);
						}
						else
						{
							StyleParentKind styleParentKind = StyleParentKind.Own;
							WorksheetRangeStyle worksheetRangeStyle = StyleUtility.FindCellParentStyle(this, i, j, out styleParentKind);
							worksheetRangeStyle = StyleUtility.DistinctStyle(worksheetRangeStyle, Worksheet.DefaultStyle);
							bool flag5 = worksheetRangeStyle != null;
							if (flag5)
							{
								cell2 = new Cell(this);
								cell2.Colspan = 1;
								cell2.Rowspan = 1;
								cell2.InnerStyle = worksheetRangeStyle;
								cell2.StyleParentKind = StyleParentKind.Own;
							}
						}
						bool flag6 = cell2 != null;
						if (flag6)
						{
							data.Cells[row, col] = cell2;
						}
					}
				}
			}
			bool flag7 = (flag & PartialGridCopyFlag.HBorder) == PartialGridCopyFlag.HBorder;
			if (flag7)
			{
				data.HBorders = new Index4DArray<ReoGridHBorder>();
				this.hBorders.Iterate(range.Row, range.Col, rows + 1, cols, true, delegate(int r, int c, ReoGridHBorder hBorder)
				{
					bool flag9 = (exFlag & ExPartialGridCopyFlag.BorderOutsideOwner) == ExPartialGridCopyFlag.BorderOutsideOwner || (hBorder != null && hBorder.Pos == HBorderOwnerPosition.None) || ((r != range.Row || (hBorder != null && (hBorder.Pos & HBorderOwnerPosition.Top) == HBorderOwnerPosition.Top)) && (r != range.EndRow + 1 || (hBorder != null && (hBorder.Pos & HBorderOwnerPosition.Bottom) == HBorderOwnerPosition.Bottom)));
					if (flag9)
					{
						int num = c - range.Col;
						ReoGridHBorder reoGridHBorder = ReoGridHBorder.Clone(hBorder);
						bool flag10 = reoGridHBorder != null && reoGridHBorder.Span > cols - num;
						if (flag10)
						{
							reoGridHBorder.Span = cols - num;
						}
						data.HBorders[r - range.Row, num] = reoGridHBorder;
					}
					return 1;
				});
			}
			bool flag8 = (flag & PartialGridCopyFlag.VBorder) == PartialGridCopyFlag.VBorder;
			if (flag8)
			{
				data.VBorders = new Index4DArray<ReoGridVBorder>();
				this.vBorders.Iterate(range.Row, range.Col, rows, cols + 1, true, delegate(int r, int c, ReoGridVBorder vBorder)
				{
					bool flag9 = (exFlag & ExPartialGridCopyFlag.BorderOutsideOwner) == ExPartialGridCopyFlag.BorderOutsideOwner || (vBorder != null && vBorder.Pos == VBorderOwnerPosition.None) || ((c != range.Col || (vBorder != null && (vBorder.Pos & VBorderOwnerPosition.Left) == VBorderOwnerPosition.Left)) && (c != range.EndCol + 1 || (vBorder != null && (vBorder.Pos & VBorderOwnerPosition.Right) == VBorderOwnerPosition.Right)));
					if (flag9)
					{
						int num = r - range.Row;
						ReoGridVBorder reoGridVBorder = ReoGridVBorder.Clone(vBorder);
						bool flag10 = reoGridVBorder != null && reoGridVBorder.Span > rows - num;
						if (flag10)
						{
							reoGridVBorder.Span = rows - num;
						}
						data.VBorders[num, c - range.Col] = reoGridVBorder;
					}
					return 1;
				});
			}
			return data;
		}

		public RangePosition SetPartialGrid(string addressOrName, PartialGrid data)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			RangePosition result;
			if (flag)
			{
				result = this.SetPartialGrid(new RangePosition(addressOrName), data);
			}
			else
			{
				NamedRange namedRange;
				bool flag2 = this.TryGetNamedRange(addressOrName, out namedRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				result = this.SetPartialGrid(namedRange.Position, data);
			}
			return result;
		}

		public RangePosition SetPartialGrid(RangePosition toRange, PartialGrid data)
		{
			return this.SetPartialGrid(toRange, data, PartialGridCopyFlag.All, ExPartialGridCopyFlag.None);
		}

		internal RangePosition SetPartialGrid(RangePosition toRange, PartialGrid data, PartialGridCopyFlag flag)
		{
			return this.SetPartialGrid(toRange, data, flag, ExPartialGridCopyFlag.None);
		}

		internal RangePosition SetPartialGrid(RangePosition toRange, PartialGrid data, PartialGridCopyFlag flag, ExPartialGridCopyFlag exFlag)
		{
			bool isEmpty = toRange.IsEmpty;
			RangePosition result;
			if (isEmpty)
			{
				result = toRange;
			}
			else
			{
				toRange = this.FixRange(toRange);
				int num = data.Rows;
				int num2 = data.Columns;
				bool flag2 = num + toRange.Row > this.rows.Count;
				if (flag2)
				{
					num = this.rows.Count - toRange.Row;
				}
				bool flag3 = num2 + toRange.Col > this.cols.Count;
				if (flag3)
				{
					num2 = this.cols.Count - toRange.Col;
				}
				bool flag4 = (flag & PartialGridCopyFlag.CellData) == PartialGridCopyFlag.CellData || (flag & PartialGridCopyFlag.CellStyle) == PartialGridCopyFlag.CellStyle;
				if (flag4)
				{
					for (int i = 0; i < num; i++)
					{
						int j = 0;
						while (j < num2)
						{
							Cell cell = (data.Cells == null) ? null : data.Cells[i, j];
							int num3 = toRange.Row + i;
							int num4 = toRange.Col + j;
							bool flag5 = false;
							bool flag6 = cell != null;
							if (flag6)
							{
								bool flag7 = !cell.MergeStartPos.IsEmpty && cell.MergeStartPos.Col < toRange.Col && cell.InternalCol - cell.MergeStartPos.Col > num4 - toRange.Col && cell.MergeEndPos.Col <= toRange.EndCol;
								if (flag7)
								{
									Cell cell2 = this.CreateAndGetCell(cell.MergeStartPos);
									cell2.MergeEndPos = new CellPosition(cell2.MergeEndPos.Row, num4);
									cell2.Colspan = (short)(num4 - cell2.InternalCol + 1);
									for (int k = cell2.InternalCol; k < cell2.InternalCol + (int)cell2.Colspan; k++)
									{
										Cell cell3 = this.cells[num3, k];
										bool flag8 = cell3 != null;
										if (flag8)
										{
											cell3.MergeEndPos = new CellPosition(cell3.MergeEndPos.Row, num4);
										}
									}
									Cell cell4 = this.CreateAndGetCell(num3, num4);
									cell4.MergeStartPos = cell2.InternalPos;
									cell4.MergeEndPos = new CellPosition(cell2.MergeEndPos.Row, num4);
									cell4.Colspan = 0;
									cell4.Rowspan = 0;
									bool isEndMergedCell = cell4.IsEndMergedCell;
									if (isEndMergedCell)
									{
										cell2.Bounds = this.GetRangePhysicsBounds(new RangePosition(cell2.InternalPos, cell2.MergeEndPos));
									}
									flag5 = true;
								}
								else
								{
									bool flag9 = !cell.MergeEndPos.IsEmpty && toRange.ContainsRow(cell.Row) && cell.MergeEndPos.Col > toRange.EndCol && cell.MergeStartPos.Col <= toRange.EndCol;
									if (flag9)
									{
										int num5 = Math.Min(cell.MergeEndPos.Col, this.cols.Count - 1);
										Cell cell5 = this.CreateAndGetCell(num3, num4);
										cell5.MergeStartPos = new CellPosition(cell.MergeStartPos.Row, cell.MergeStartPos.Col + num4 - cell.InternalCol);
										cell5.MergeEndPos = new CellPosition(cell.MergeEndPos.Row, num5);
										for (int l = toRange.EndCol + 1; l <= num5; l++)
										{
											Cell cell6 = this.CreateAndGetCell(num3, l);
											cell6.MergeStartPos = cell5.MergeStartPos;
											cell6.Rowspan = 0;
											cell6.Colspan = 0;
										}
										bool isStartMergedCell = cell5.IsStartMergedCell;
										if (isStartMergedCell)
										{
											cell5.Rowspan = (short)(cell5.MergeEndPos.Row - cell5.MergeStartPos.Row + 1);
											cell5.Colspan = (short)(cell5.MergeEndPos.Col - cell5.MergeStartPos.Col + 1);
											cell5.Bounds = this.GetRangeBounds(cell5.InternalPos, cell5.MergeEndPos);
											CellUtility.CopyCellContent(cell5, cell);
											this.UpdateCellFont(cell5, UpdateFontReason.FontChanged);
										}
										else
										{
											cell5.Rowspan = 0;
											cell5.Colspan = 0;
										}
										flag5 = true;
									}
									else
									{
										bool flag10 = !cell.MergeStartPos.IsEmpty && cell.MergeStartPos.Row < toRange.Row && cell.InternalRow - cell.MergeStartPos.Row > num3 - toRange.Row && cell.MergeEndPos.Row <= toRange.EndRow;
										if (flag10)
										{
											Cell cell7 = this.CreateAndGetCell(cell.MergeStartPos);
											cell7.Rowspan = (short)(num3 - cell7.InternalRow + 1);
											for (int m = cell.MergeStartPos.Row; m < num3; m++)
											{
												Cell cell8 = this.CreateAndGetCell(m, num4);
												cell8.MergeEndPos = new CellPosition(num3, cell.MergeEndPos.Col);
											}
											Cell cell9 = this.CreateAndGetCell(num3, num4);
											cell9.MergeStartPos = cell7.InternalPos;
											cell9.MergeEndPos = new CellPosition(num3, cell.MergeEndPos.Col);
											cell9.Rowspan = 0;
											cell9.Colspan = 0;
											bool isEndMergedCell2 = cell9.IsEndMergedCell;
											if (isEndMergedCell2)
											{
												cell7.Bounds = this.GetRangeBounds(cell7.InternalPos, cell7.MergeEndPos);
											}
											flag5 = true;
										}
										else
										{
											bool flag11 = !cell.MergeEndPos.IsEmpty && toRange.ContainsColumn(cell.Column) && cell.MergeEndPos.Row > toRange.EndRow && cell.MergeStartPos.Row <= toRange.EndRow;
											if (flag11)
											{
												int num6 = Math.Min(cell.MergeEndPos.Row, this.rows.Count - 1);
												for (int n = toRange.EndRow + 1; n <= num6; n++)
												{
													Cell cell10 = this.CreateAndGetCell(n, num4);
													cell10.MergeStartPos = new CellPosition(cell.MergeStartPos.Row, cell10.MergeStartPos.Col);
													cell10.Rowspan = 0;
													cell10.Colspan = 0;
												}
												Cell cell11 = this.CreateAndGetCell(num3, num4);
												cell11.MergeStartPos = cell.MergeStartPos;
												cell11.MergeEndPos = new CellPosition(num6, cell.MergeEndPos.Col);
												bool isStartMergedCell2 = cell11.IsStartMergedCell;
												if (isStartMergedCell2)
												{
													cell11.Rowspan = (short)(cell11.MergeEndPos.Row - cell11.MergeStartPos.Row + 1);
													cell11.Colspan = (short)(cell11.MergeEndPos.Col - cell11.MergeStartPos.Col + 1);
													cell11.Bounds = this.GetRangeBounds(cell11.InternalPos, cell11.MergeEndPos);
													CellUtility.CopyCellContent(cell11, cell);
													this.UpdateCellFont(cell11, UpdateFontReason.FontChanged);
												}
												else
												{
													cell11.Rowspan = 0;
													cell11.Colspan = 0;
												}
												flag5 = true;
											}
										}
									}
								}
							}
							bool flag12 = !flag5;
							if (flag12)
							{
								Cell cell12 = this.CreateAndGetCell(num3, num4);
								bool flag13 = cell12.Rowspan == 0 && cell12.Colspan == 0;
								if (!flag13)
								{
									bool flag14 = cell != null;
									if (flag14)
									{
										bool flag15 = (flag & PartialGridCopyFlag.CellData) == PartialGridCopyFlag.CellData;
										if (flag15)
										{
											CellUtility.CopyCellContent(cell12, cell);
										}
										bool flag16 = (flag & PartialGridCopyFlag.CellFormula) == PartialGridCopyFlag.CellFormula;
										if (flag16)
										{
											bool hasFormula = cell.HasFormula;
											if (hasFormula)
											{
												bool flag17 = cell.formulaTree == null;
												if (flag17)
												{
													try
													{
														cell.formulaTree = Parser.Parse(this.workbook, cell, cell.InnerFormula);
													}
													catch
													{
														cell.formulaStatus = FormulaStatus.SyntaxError;
													}
												}
												bool flag18 = cell.formulaTree != null;
												if (flag18)
												{
													ReplacableString rs = new ReplacableString(cell.InnerFormula);
													Stack<List<Cell>> dirtyCells = new Stack<List<Cell>>();
													FormulaRefactor.CopyFormula(cell.Position, cell.formulaTree, cell12, rs, dirtyCells);
												}
												cell12.FontDirty = true;
											}
										}
										else
										{
											cell12.InnerFormula = null;
										}
										bool flag19 = cell12.Rowspan == 1 && cell12.Colspan == 1;
										if (flag19)
										{
											cell12.Rowspan = cell.Rowspan;
											cell12.Colspan = cell.Colspan;
											bool flag20 = !cell.MergeStartPos.IsEmpty;
											if (flag20)
											{
												cell12.MergeStartPos = cell.MergeStartPos.Offset(num3 - cell.InternalRow, num4 - cell.InternalCol);
												Debug.Assert(cell12.MergeStartPos.Row >= 0 && cell12.MergeStartPos.Row < this.rows.Count);
												Debug.Assert(cell12.MergeStartPos.Col >= 0 && cell12.MergeStartPos.Col < this.cols.Count);
											}
											bool flag21 = !cell.MergeEndPos.IsEmpty;
											if (flag21)
											{
												cell12.MergeEndPos = cell.MergeEndPos.Offset(num3 - cell.InternalRow, num4 - cell.InternalCol);
												Debug.Assert(cell12.MergeEndPos.Row >= 0 && cell12.MergeEndPos.Row < this.rows.Count);
												Debug.Assert(cell12.MergeEndPos.Col >= 0 && cell12.MergeEndPos.Col < this.cols.Count);
											}
										}
										else
										{
											this.UpdateCellFont(cell12, UpdateFontReason.FontChanged);
										}
										bool flag22 = (flag & PartialGridCopyFlag.CellStyle) == PartialGridCopyFlag.CellStyle && cell.InnerStyle != null;
										if (flag22)
										{
											bool flag23 = cell.StyleParentKind == StyleParentKind.Own;
											if (flag23)
											{
												cell12.InnerStyle = new WorksheetRangeStyle(cell.InnerStyle);
											}
											else
											{
												cell12.InnerStyle = cell.InnerStyle;
											}
											cell12.StyleParentKind = cell.StyleParentKind;
											bool flag24 = cell.InnerStyle.HAlign == ReoGridHorAlign.General;
											if (flag24)
											{
												cell12.RenderHorAlign = cell.RenderHorAlign;
											}
										}
										bool isEndMergedCell3 = cell12.IsEndMergedCell;
										if (isEndMergedCell3)
										{
											Cell cell13 = this.GetCell(cell12.MergeStartPos);
											Debug.Assert(cell13 != null);
											this.UpdateCellBounds(cell13);
										}
										else
										{
											bool flag25 = cell12.Rowspan == 1 && cell12.Colspan == 1;
											if (flag25)
											{
												this.UpdateCellFont(cell12, UpdateFontReason.FontChanged);
											}
										}
									}
									else
									{
										this.cells[num3, num4] = null;
									}
								}
							}
							IL_BD1:
							j++;
							continue;
							goto IL_BD1;
						}
					}
				}
				bool flag26 = (flag & PartialGridCopyFlag.HBorder) == PartialGridCopyFlag.HBorder;
				if (flag26)
				{
					bool flag27 = data.HBorders == null;
					if (flag27)
					{
						bool flag28 = toRange.Col > 0;
						if (flag28)
						{
							for (int num7 = toRange.Row; num7 <= toRange.EndRow; num7++)
							{
								this.CutBeforeHBorder(num7, toRange.Col);
							}
						}
						this.hBorders.Iterate(toRange.Row, toRange.Col, num, num2, true, delegate(int r, int c, ReoGridHBorder fromHBorder)
						{
							this.hBorders[r, c] = null;
							return 1;
						});
					}
					else
					{
						for (int num8 = 0; num8 < num + 1; num8++)
						{
							for (int num9 = 0; num9 < num2; num9++)
							{
								int row = toRange.Row + num8;
								int col = toRange.Col + num9;
								this.CutBeforeHBorder(row, col);
								ReoGridHBorder reoGridHBorder = data.HBorders[num8, num9];
								bool flag29 = reoGridHBorder == null;
								if (flag29)
								{
									this.hBorders[row, col] = null;
								}
								else
								{
									RangeBorderStyle style = reoGridHBorder.Style;
									int num10 = reoGridHBorder.Span;
									bool flag30 = num10 > num2 - num9;
									if (flag30)
									{
										num10 = num2 - num9;
									}
									this.GetHBorder(row, col).Span = num10;
									bool flag31 = data.HBorders[num8, num9].Style != null;
									if (flag31)
									{
										this.SetHBorders(row, col, num10, style, reoGridHBorder.Pos);
									}
									else
									{
										this.hBorders[row, col].Style = RangeBorderStyle.Empty;
									}
								}
							}
						}
					}
				}
				bool flag32 = (flag & PartialGridCopyFlag.VBorder) == PartialGridCopyFlag.VBorder;
				if (flag32)
				{
					bool flag33 = data.VBorders == null;
					if (flag33)
					{
						bool flag34 = toRange.Row > 0;
						if (flag34)
						{
							for (int num11 = toRange.Col; num11 <= toRange.EndCol; num11++)
							{
								this.CutBeforeVBorder(toRange.Row, num11);
							}
						}
						this.vBorders.Iterate(toRange.Row, toRange.Col, num, num2, true, delegate(int r, int c, ReoGridVBorder fromVBorder)
						{
							this.vBorders[r, c] = null;
							return 1;
						});
					}
					else
					{
						for (int num12 = 0; num12 < num; num12++)
						{
							for (int num13 = 0; num13 < num2 + 1; num13++)
							{
								int row2 = toRange.Row + num12;
								int col2 = toRange.Col + num13;
								this.CutBeforeVBorder(row2, col2);
								ReoGridVBorder reoGridVBorder = data.VBorders[num12, num13];
								bool flag35 = reoGridVBorder == null;
								if (flag35)
								{
									this.vBorders[row2, col2] = null;
								}
								else
								{
									RangeBorderStyle style2 = reoGridVBorder.Style;
									int num14 = reoGridVBorder.Span;
									bool flag36 = num14 > num - num12;
									if (flag36)
									{
										num14 = num - num12;
									}
									this.GetVBorder(row2, col2).Span = num14;
									bool flag37 = data.VBorders[num12, num13].Style != null;
									if (flag37)
									{
										this.SetVBorders(row2, col2, num14, style2, reoGridVBorder.Pos);
									}
									else
									{
										this.vBorders[row2, col2].Style = RangeBorderStyle.Empty;
									}
								}
							}
						}
					}
				}
				result = new RangePosition(toRange.Row, toRange.Col, num, num2);
			}
			return result;
		}

		public RangePosition SetPartialGridRepeatly(string addressOrName, PartialGrid grid)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			RangePosition result;
			if (flag)
			{
				result = this.SetPartialGridRepeatly(new RangePosition(addressOrName), grid);
			}
			else
			{
				NamedRange namedRange;
				bool flag2 = this.TryGetNamedRange(addressOrName, out namedRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				result = this.SetPartialGridRepeatly(namedRange.Position, grid);
			}
			return result;
		}

		public RangePosition SetPartialGridRepeatly(RangePosition range, PartialGrid grid)
		{
			bool flag = grid.Rows <= 0 || grid.Columns <= 0;
			RangePosition result;
			if (flag)
			{
				result = RangePosition.Empty;
			}
			else
			{
				for (int i = range.Row; i <= range.EndRow; i += grid.Rows)
				{
					for (int j = range.Col; j <= range.EndCol; j += grid.Columns)
					{
						this.SetPartialGrid(new RangePosition(i, j, grid.Rows, grid.Columns), grid);
					}
				}
				result = range;
			}
			return result;
		}

		public PrintSettings PrintSettings
		{
			get
			{
				bool flag = this.printSettings == null;
				if (flag)
				{
					this.printSettings = new PrintSettings();
				}
				return this.printSettings;
			}
			set
			{
				this.printSettings = value;
				bool flag = !this.printableRange.IsEmpty;
				if (flag)
				{
					this.AutoSplitPage();
				}
			}
		}

		public RangePosition PrintableRange
		{
			get
			{
				return this.printableRange;
			}
			set
			{
				value = this.FixRange(value);
				bool isEmpty = value.IsEmpty;
				if (isEmpty)
				{
					this.userPageBreakCols.Clear();
					this.userPageBreakRows.Clear();
				}
				else
				{
					bool flag = this.printableRange != value;
					if (flag)
					{
						this.printableRange = value;
						bool flag2 = this.userPageBreakCols != null;
						if (flag2)
						{
							for (int i = 0; i < this.userPageBreakCols.Count; i++)
							{
								bool flag3 = this.userPageBreakCols[i] < this.printableRange.Col;
								if (flag3)
								{
									this.userPageBreakCols.RemoveAt(i);
								}
								else
								{
									bool flag4 = this.userPageBreakCols[i] > this.printableRange.EndCol + 1;
									if (flag4)
									{
										this.userPageBreakCols.RemoveAt(i);
									}
								}
							}
						}
						bool flag5 = this.userPageBreakRows != null;
						if (flag5)
						{
							for (int j = 0; j < this.userPageBreakRows.Count; j++)
							{
								bool flag6 = this.userPageBreakRows[j] < this.printableRange.Row;
								if (flag6)
								{
									this.userPageBreakRows.RemoveAt(j);
								}
								else
								{
									bool flag7 = this.userPageBreakRows[j] > this.printableRange.EndRow + 1;
									if (flag7)
									{
										this.userPageBreakRows.RemoveAt(j);
									}
								}
							}
						}
						this.RaisePrintableRangeChangedEvent();
					}
				}
			}
		}

		public Worksheet.RowPageBreakIndexCollection RowPageBreaks
		{
			get
			{
				bool flag = this.pageBreakRowCollection == null;
				if (flag)
				{
					this.pageBreakRowCollection = new Worksheet.RowPageBreakIndexCollection(this);
				}
				return this.pageBreakRowCollection;
			}
		}

		public Worksheet.ColumnPageBreakIndexCollection ColumnPageBreaks
		{
			get
			{
				bool flag = this.pageBreakColumnCollection == null;
				if (flag)
				{
					this.pageBreakColumnCollection = new Worksheet.ColumnPageBreakIndexCollection(this);
				}
				return this.pageBreakColumnCollection;
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler PrintableRangeChanged;

		public void ResetAllPageBreaks()
		{
			this.printableRange = RangePosition.Empty;
			this.ClearUserPageBreaks();
			this.AutoSplitPage();
		}

		public void AutoSplitPage()
		{
			bool flag = this.MaxContentRow < 0 || this.MaxContentCol < 0;
			if (flag)
			{
				throw new NoPrintableContentException("No printable content found on this spreadsheet.");
			}
			Stopwatch stopwatch = Stopwatch.StartNew();
			bool flag2 = this.printSettings == null;
			if (flag2)
			{
				this.printSettings = new PrintSettings();
			}
			bool flag3 = this.pageBreakRows == null;
			if (flag3)
			{
				this.pageBreakRows = new List<int>();
			}
			else
			{
				this.pageBreakRows.Clear();
			}
			bool flag4 = this.pageBreakCols == null;
			if (flag4)
			{
				this.pageBreakCols = new List<int>();
			}
			else
			{
				this.pageBreakCols.Clear();
			}
			this.CheckAndInitPrintableRegion();
			Rect rangePhysicsBounds = this.GetRangePhysicsBounds(this.printableRange);
			this.pageBreakRows.Add(this.printableRange.Row);
			this.pageBreakCols.Add(this.printableRange.Col);
			int num = this.printableRange.EndRow + 1;
			int num2 = this.printableRange.EndCol + 1;
			float num3 = (this.printSettings == null) ? 1f : this.printSettings.PageScaling;
			Rect paperPrintBounds = this.GetPaperPrintBounds();
			float num4 = paperPrintBounds.Width / num3;
			float num5 = paperPrintBounds.Height / num3;
			double x = (double)(rangePhysicsBounds.Left + num4);
			double y = (double)(rangePhysicsBounds.Top + num5);
			int row = this.PrintableRange.Row;
			int col = this.PrintableRange.Col;
			Func<int, bool> callFunc = null;
			while (y < (double)rangePhysicsBounds.Bottom || row < num)
			{
				int num6 = ArrayHelper.QuickFind(row + 1, num, delegate(int i)
				{
					RowHeader rowHeader = this.rows[i];
					bool flag12 = (double)rowHeader.Bottom < y;
					int result;
					if (flag12)
					{
						result = 1;
					}
					else
					{
						bool flag13 = (double)rowHeader.Top > y;
						if (flag13)
						{
							result = -1;
						}
						else
						{
							result = 0;
						}
					}
					return result;
				});
				bool flag5 = this.userPageBreakRows != null && this.userPageBreakRows.Count > 0;
				if (flag5)
				{
					IEnumerable<int> source = this.userPageBreakRows;
					Func<int, bool> predicate;
					if ((predicate = callFunc) == null)
					{
						predicate = (callFunc = ((int ur) => ur > row));
					}
					int num7 = source.FirstOrDefault(predicate);
					bool flag6 = num7 != 0 && num7 < num6;
					if (flag6)
					{
						num6 = num7;
					}
				}
				bool flag7 = num6 >= num;
				if (flag7)
				{
					this.pageBreakRows.Add(num6);
					break;
				}
				this.pageBreakRows.Add(num6);
				row = num6;
				y = (double)((float)this.rows[num6].Top + num5);
			}
			Func<int, bool> callFunc2 = null;
			while (x < (double)rangePhysicsBounds.Right || col < num2)
			{
				int num8 = ArrayHelper.QuickFind(col + 1, num2, delegate(int i)
				{
					ColumnHeader columnHeader = this.cols[i];
					bool flag12 = (double)columnHeader.Right < x;
					int result;
					if (flag12)
					{
						result = 1;
					}
					else
					{
						bool flag13 = (double)columnHeader.Left > x;
						if (flag13)
						{
							result = -1;
						}
						else
						{
							result = 0;
						}
					}
					return result;
				});
				bool flag8 = this.userPageBreakCols != null && this.userPageBreakCols.Count > 0;
				if (flag8)
				{
					IEnumerable<int> source2 = this.userPageBreakCols;
					Func<int, bool> predicate2;
					if ((predicate2 = callFunc2) == null)
					{
						predicate2 = (callFunc2 = ((int uc) => uc > col));
					}
					int num9 = source2.FirstOrDefault(predicate2);
					bool flag9 = num9 != 0 && num9 < num8;
					if (flag9)
					{
						num8 = num9;
					}
				}
				bool flag10 = num8 >= num2;
				if (flag10)
				{
					this.pageBreakCols.Add(num8);
					break;
				}
				this.pageBreakCols.Add(num8);
				col = num8;
				x = (double)((float)this.cols[num8].Left + num4);
			}
			this.RequestInvalidate();
			stopwatch.Stop();
			long elapsedMilliseconds = stopwatch.ElapsedMilliseconds;
			this._Debug_Validate_PrintPageBreaks();
			bool flag11 = elapsedMilliseconds > 10L;
			if (flag11)
			{
				Debug.WriteLine("Auto split page takes " + elapsedMilliseconds.ToString() + " ms.");
			}
		}

		internal void CheckAndInitPrintableRegion()
		{
			bool flag = false;
			bool flag2 = false;
			bool isEmpty = this.printableRange.IsEmpty;
			if (isEmpty)
			{
				flag = true;
				flag2 = true;
				this.PrintableRange = new RangePosition(0, 0, this.MaxContentRow + 1, this.MaxContentCol + 1);
			}
			else
			{
				bool flag3 = this.userPageBreakCols == null || this.userPageBreakCols.Count < 2;
				if (flag3)
				{
					flag = true;
				}
				bool flag4 = this.userPageBreakRows == null || this.userPageBreakRows.Count < 2;
				if (flag4)
				{
					flag2 = true;
				}
			}
			bool flag5 = flag;
			if (flag5)
			{
				bool flag6 = this.userPageBreakCols == null;
				if (flag6)
				{
					this.userPageBreakCols = new List<int>();
				}
				else
				{
					this.userPageBreakCols.Clear();
				}
				this.userPageBreakCols.Add(this.printableRange.Col);
				this.userPageBreakCols.Add(this.printableRange.EndCol + 1);
			}
			bool flag7 = flag2;
			if (flag7)
			{
				bool flag8 = this.userPageBreakRows == null;
				if (flag8)
				{
					this.userPageBreakRows = new List<int>();
				}
				else
				{
					this.userPageBreakRows.Clear();
				}
				this.userPageBreakRows.Add(this.printableRange.Row);
				this.userPageBreakRows.Add(this.printableRange.EndRow + 1);
			}
		}

		internal void ClearUserPageBreaks()
		{
			bool flag = this.userPageBreakRows == null;
			if (flag)
			{
				this.userPageBreakRows = new List<int>();
			}
			else
			{
				this.userPageBreakRows.Clear();
			}
			bool flag2 = this.userPageBreakCols == null;
			if (flag2)
			{
				this.userPageBreakCols = new List<int>();
			}
			else
			{
				this.userPageBreakCols.Clear();
			}
		}

		internal int FindBreakIndexOfRowByPixel(Point p)
		{
			Debug.Assert(this.pageBreakCols != null);
			bool flag = this.pageBreakRows == null || this.pageBreakRows.Count <= 0 || this.pageBreakCols == null || this.pageBreakCols.Count <= 0;
			int result;
			if (flag)
			{
				result = -1;
			}
			else
			{
				float num = (float)this.cols[this.pageBreakCols[0]].Left;
				bool flag2 = p.X < num;
				if (flag2)
				{
					result = -1;
				}
				else
				{
					int num2 = this.pageBreakCols[this.pageBreakCols.Count - 1];
					bool flag3 = num2 >= this.cols.Count;
					if (flag3)
					{
						num2 = this.cols.Count;
					}
					float num3 = (float)((num2 < this.cols.Count) ? this.cols[num2].Left : this.cols[num2 - 1].Right);
					bool flag4 = p.X > num3;
					if (flag4)
					{
						result = -1;
					}
					else
					{
						for (int i = 0; i < this.pageBreakRows.Count; i++)
						{
							bool flag5 = this.IsSplitRowHoverByMouse(i, p.Y);
							if (flag5)
							{
								return i;
							}
						}
						result = -1;
					}
				}
			}
			return result;
		}

		internal int FindBreakIndexOfColumnByPixel(Point p)
		{
			Debug.Assert(this.pageBreakRows != null);
			Debug.Assert(this.pageBreakCols != null);
			bool flag = this.pageBreakRows == null || this.pageBreakRows.Count <= 0 || this.pageBreakCols == null || this.pageBreakCols.Count <= 0;
			int result;
			if (flag)
			{
				result = -1;
			}
			else
			{
				float num = (float)this.rows[this.pageBreakRows[0]].Top;
				bool flag2 = p.Y < num;
				if (flag2)
				{
					result = -1;
				}
				else
				{
					int num2 = this.pageBreakRows[this.pageBreakRows.Count - 1];
					bool flag3 = num2 >= this.rows.Count;
					if (flag3)
					{
						num2 = this.rows.Count - 1;
					}
					float num3 = (float)((num2 < this.rows.Count) ? this.rows[num2].Bottom : this.rows[num2 - 1].Bottom);
					bool flag4 = p.Y > num3;
					if (flag4)
					{
						result = -1;
					}
					else
					{
						for (int i = 0; i < this.pageBreakCols.Count; i++)
						{
							bool flag5 = this.IsSplitColHoverByMouse(i, p.X);
							if (flag5)
							{
								return i;
							}
						}
						result = -1;
					}
				}
			}
			return result;
		}

		internal bool IsSplitRowHoverByMouse(int breakIndex, float y)
		{
			int num = this.pageBreakRows[breakIndex];
			bool flag = num < this.rows.Count;
			int num2;
			if (flag)
			{
				RowHeader rowHeader = this.rows[num];
				num2 = rowHeader.Top;
			}
			else
			{
				RowHeader rowHeader2 = this.rows[num - 1];
				num2 = rowHeader2.Bottom;
			}
			float num3 = 2f / this.renderScaleFactor;
			return (float)num2 - num3 <= y && (float)num2 + num3 > y;
		}

		internal bool IsSplitColHoverByMouse(int breakIndex, float x)
		{
			int num = this.pageBreakCols[breakIndex];
			bool flag = num < this.cols.Count;
			int num2;
			if (flag)
			{
				ColumnHeader columnHeader = this.cols[num];
				num2 = columnHeader.Left;
			}
			else
			{
				ColumnHeader columnHeader2 = this.cols[num - 1];
				num2 = columnHeader2.Right;
			}
			float num3 = 2f / this.renderScaleFactor;
			return (float)num2 - num3 <= x && (float)num2 + num3 > x;
		}

		public void AutoSetMaximumScaleForPages()
		{
			bool flag = this.printSettings == null;
			if (flag)
			{
				this.printSettings = new PrintSettings();
			}
			Rect paperBounds = this.GetPaperPrintBounds();
			float minScale = 1f;
			this.IteratePrintPages(this.printSettings.PageOrder, delegate(RangePosition range)
			{
				Size size = this.GetRangePhysicsBounds(range).Size;
				float num = paperBounds.Width / size.Width;
				float num2 = paperBounds.Height / size.Height;
				bool flag2 = minScale > num;
				if (flag2)
				{
					minScale = num;
				}
				bool flag3 = minScale > num2;
				if (flag3)
				{
					minScale = num2;
				}
				return true;
			});
			this.printSettings.PageScaling = minScale;
			this._Debug_Validate_PrintPageBreaks();
			Debug.WriteLine("Print scale set to " + this.printSettings.PageScaling.ToString() + "f.");
		}

		public PrintSession CreatePrintSession()
		{
			bool flag = this.pageBreakRows == null || this.pageBreakCols == null || this.pageBreakRows.Count == 0 || this.pageBreakCols.Count == 0;
			if (flag)
			{
				this.AutoSplitPage();
			}
			bool flag2 = this.pageBreakRows == null || this.pageBreakRows == null || this.pageBreakRows.Count == 0 || this.pageBreakRows.Count == 0;
			if (flag2)
			{
				throw new NoPrintableContentException();
			}
			bool flag3 = this.printSettings == null;
			if (flag3)
			{
				this.printSettings = new PrintSettings();
			}
			PrintSession printSession = new PrintSession();
			printSession.worksheets.Add(this);
			printSession.Init();
			return printSession;
		}

		internal Rect GetPaperPrintBounds()
		{
			float num = 100f;
			float num2 = 100f;
			Size paperSizeInPixel = this.GetPaperSizeInPixel(num, num2);
			float num3 = MeasureToolkit.InchToPixel(this.printSettings.Margins.Left, num);
			float num4 = MeasureToolkit.InchToPixel(this.printSettings.Margins.Right, num);
			float num5 = MeasureToolkit.InchToPixel(this.printSettings.Margins.Top, num2);
			float num6 = MeasureToolkit.InchToPixel(this.printSettings.Margins.Bottom, num2);
			float num7 = (float)((int)Math.Floor((double)num3));
			float num8 = (float)((int)Math.Floor((double)num5));
			float num9 = (float)((int)Math.Ceiling((double)(paperSizeInPixel.Width - num3 - num4)));
			float num10 = (float)((int)Math.Ceiling((double)(paperSizeInPixel.Height - num5 - num6)));
			return new Rect(ref num7, ref num8, ref num9, ref num10);
		}

		internal Size GetPaperSizeInPixel(float dpix, float dpiy)
		{
			bool flag = this.printSettings == null;
			if (flag)
			{
				this.printSettings = new PrintSettings();
			}
			float paperWidth = this.printSettings.PaperWidth;
			float paperHeight = this.printSettings.PaperHeight;
			int num = (int)Math.Ceiling((double)MeasureToolkit.InchToPixel(paperWidth, dpix));
			int num2 = (int)Math.Ceiling((double)MeasureToolkit.InchToPixel(paperHeight, dpiy));
			Size result;
			if (!this.printSettings.Landscape)
			{
				float num3 = (float)num;
				float num4 = (float)num2;
				result = new Size(ref num3, ref num4);
			}
			else
			{
				float num5 = (float)num2;
				float num6 = (float)num;
				result = new Size(ref num5, ref num6);
			}
			return result;
		}

		public void IteratePrintPages(Func<RangePosition, bool> iterator)
		{
			this.IteratePrintPages(PrintPageOrder.DownThenOver, iterator);
		}

		public void IteratePrintPages(PrintPageOrder pageOrder, Func<RangePosition, bool> iterator)
		{
			int num = 0;
			int num2 = 0;
			for (;;)
			{
				int num3 = this.pageBreakRows[num];
				int num4 = this.pageBreakCols[num2];
				int num5 = this.pageBreakRows[num + 1] - 1;
				int num6 = this.pageBreakCols[num2 + 1] - 1;
				bool flag = !iterator(new RangePosition(num3, num4, num5 - num3 + 1, num6 - num4 + 1));
				if (flag)
				{
					break;
				}
				bool flag2 = pageOrder == PrintPageOrder.DownThenOver;
				if (flag2)
				{
					bool flag3 = num < this.pageBreakRows.Count - 2;
					if (flag3)
					{
						num++;
					}
					else
					{
						bool flag4 = num2 < this.pageBreakCols.Count - 2;
						if (!flag4)
						{
							break;
						}
						num = 0;
						num2++;
					}
				}
				else
				{
					bool flag5 = pageOrder == PrintPageOrder.OverThenDown;
					if (!flag5)
					{
						break;
					}
					bool flag6 = num2 < this.pageBreakCols.Count - 2;
					if (flag6)
					{
						num2++;
					}
					else
					{
						bool flag7 = num < this.pageBreakRows.Count - 2;
						if (!flag7)
						{
							break;
						}
						num2 = 0;
						num++;
					}
				}
			}
		}

		public void ChangeColumnPageBreak(int oldIndex, int newIndex, bool refreshPageBreaks = true)
		{
			bool flag = this.pageBreakCols == null || this.pageBreakCols.Count < 2;
			if (flag)
			{
				throw new InvalidOperationException("No page breaks exist. Try call AutoSplitPage method firstly.");
			}
			bool flag2 = this.pageBreakCols.IndexOf(oldIndex) < 0 && (this.userPageBreakCols == null || this.userPageBreakCols.IndexOf(oldIndex) < 0);
			if (flag2)
			{
				throw new PageBreakNotFoundException(oldIndex);
			}
			bool flag3 = newIndex < 0 || newIndex > this.cols.Count;
			if (flag3)
			{
				throw new IndexOutOfRangeException("Specified index out of the available range on spreadsheet");
			}
			bool flag4 = (oldIndex != this.printableRange.Col && newIndex < this.printableRange.Col) || (oldIndex != this.printableRange.EndCol + 1 && newIndex > this.printableRange.EndCol + 1);
			if (flag4)
			{
				throw new ArgumentException("Cannot move to the new position that is out of the printable range. Change PrintableRange property firstly.", "newIndex");
			}
			this.pageBreakCols.RemoveAll((int bc) => bc >= oldIndex && bc <= newIndex);
			this.pageBreakCols.Add(newIndex);
			this.pageBreakCols.Sort();
			bool flag5 = oldIndex == this.userPageBreakCols.First<int>();
			bool flag6 = oldIndex == this.userPageBreakRows.Last<int>();
			this.userPageBreakCols.RemoveAll((int uc) => uc == oldIndex || uc == newIndex);
			this.userPageBreakCols.Add(newIndex);
			this.userPageBreakCols.Sort();
			bool flag7 = this.userPageBreakCols.Last<int>() == newIndex;
			if (flag7)
			{
				this.printableRange.EndCol = newIndex - 1;
			}
			else
			{
				bool flag8 = this.userPageBreakCols.First<int>() == newIndex;
				if (flag8)
				{
					this.printableRange.Cols = this.printableRange.Cols - (newIndex - this.printableRange.Col);
					this.printableRange.Col = newIndex;
					Debug.Assert(this.printableRange.Col >= 0);
					Debug.Assert(this.printableRange.EndCol <= this.cols.Count - 1);
				}
			}
			bool flag9 = !flag5 && !flag6;
			if (flag9)
			{
				this.AutoSetMaximumScaleForPages();
			}
			if (refreshPageBreaks)
			{
				this.AutoSplitPage();
			}
		}

		public void ChangeRowPageBreak(int oldIndex, int newIndex, bool refreshPageBreaks = true)
		{
			bool flag = this.pageBreakRows == null || this.pageBreakRows.Count < 2;
			if (flag)
			{
				throw new InvalidOperationException("No page breaks exist. Try call AutoSplitPage method firstly.");
			}
			bool flag2 = this.pageBreakRows.IndexOf(oldIndex) < 0 && (this.userPageBreakRows == null || this.userPageBreakRows.IndexOf(oldIndex) < 0);
			if (flag2)
			{
				throw new PageBreakNotFoundException(oldIndex);
			}
			bool flag3 = newIndex < 0 || newIndex > this.rows.Count;
			if (flag3)
			{
				throw new IndexOutOfRangeException("Specified index out of the available range on worksheet");
			}
			bool flag4 = (oldIndex != this.printableRange.Row && newIndex < this.printableRange.Row) || (oldIndex != this.printableRange.EndRow + 1 && newIndex > this.printableRange.EndRow + 1);
			if (flag4)
			{
				throw new ArgumentException("Cannot move to the new position that is out of the printable range. Change PrintableRange property firstly.", "newIndex");
			}
			this.pageBreakRows.RemoveAll((int br) => br >= oldIndex && br <= newIndex);
			this.pageBreakRows.Add(newIndex);
			this.pageBreakRows.Sort();
			bool flag5 = oldIndex == this.userPageBreakCols.First<int>();
			bool flag6 = oldIndex == this.userPageBreakRows.Last<int>();
			this.userPageBreakRows.RemoveAll((int uc) => uc == oldIndex || uc == newIndex);
			this.userPageBreakRows.Add(newIndex);
			this.userPageBreakRows.Sort();
			bool flag7 = this.userPageBreakRows.Last<int>() == newIndex;
			if (flag7)
			{
				this.printableRange.EndRow = newIndex - 1;
			}
			else
			{
				bool flag8 = this.userPageBreakRows.First<int>() == newIndex;
				if (flag8)
				{
					this.printableRange.Rows = this.printableRange.Rows - (newIndex - this.printableRange.Row);
					this.printableRange.Row = newIndex;
					Debug.Assert(this.printableRange.Row >= 0);
					Debug.Assert(this.printableRange.Rows <= this.rows.Count - 1);
				}
			}
			bool flag9 = !flag5 && !flag6;
			if (flag9)
			{
				this.AutoSetMaximumScaleForPages();
			}
			if (refreshPageBreaks)
			{
				this.AutoSplitPage();
			}
		}

		public void InsertColumnPageBreak(int columnIndex, bool refreshPageBreaks = true)
		{
			bool flag = this.userPageBreakCols == null || this.userPageBreakCols.Count < 2;
			if (flag)
			{
				this.CheckAndInitPrintableRegion();
			}
			bool flag2 = !this.userPageBreakCols.Contains(columnIndex);
			if (flag2)
			{
				this.userPageBreakCols.Add(columnIndex);
				this.userPageBreakCols.Sort();
				bool flag3 = this.printableRange.EndCol < columnIndex - 1;
				if (flag3)
				{
					this.printableRange.EndCol = columnIndex - 1;
				}
				if (refreshPageBreaks)
				{
					this.AutoSplitPage();
				}
			}
		}

		public void InsertRowPageBreak(int rowIndex, bool refreshPageBreaks = true)
		{
			bool flag = this.userPageBreakRows == null || this.userPageBreakRows.Count < 2;
			if (flag)
			{
				this.CheckAndInitPrintableRegion();
			}
			bool flag2 = !this.userPageBreakRows.Contains(rowIndex);
			if (flag2)
			{
				this.userPageBreakRows.Add(rowIndex);
				this.userPageBreakRows.Sort();
				bool flag3 = this.printableRange.EndRow < rowIndex - 1;
				if (flag3)
				{
					this.printableRange.EndRow = rowIndex - 1;
				}
				if (refreshPageBreaks)
				{
					this.AutoSplitPage();
				}
			}
		}

		public void RemoveColumnPageBreak(int columnIndex)
		{
			bool flag = (this.pageBreakCols == null || !this.pageBreakCols.Contains(columnIndex)) && (this.userPageBreakCols == null || !this.userPageBreakCols.Contains(columnIndex));
			if (flag)
			{
				throw new PageBreakNotFoundException(columnIndex);
			}
			bool flag2 = this.userPageBreakCols == null || this.userPageBreakCols.Count <= 2;
			if (flag2)
			{
				throw new PageBreakCannotRemoveException(columnIndex);
			}
			this.pageBreakCols.RemoveAll((int br) => br == columnIndex);
			this.pageBreakCols.Sort();
			this.userPageBreakCols.RemoveAll((int uc) => uc == columnIndex || uc == columnIndex);
			this.AutoSetMaximumScaleForPages();
			this.AutoSplitPage();
		}

		public void RemoveRowPageBreak(int rowIndex)
		{
			bool flag = (this.pageBreakRows == null || !this.pageBreakRows.Contains(rowIndex)) && (this.userPageBreakRows == null || !this.userPageBreakRows.Contains(rowIndex));
			if (flag)
			{
				throw new PageBreakNotFoundException(rowIndex);
			}
			bool flag2 = this.userPageBreakRows == null || this.userPageBreakRows.Count <= 2;
			if (flag2)
			{
				throw new PageBreakCannotRemoveException(rowIndex);
			}
			this.pageBreakRows.RemoveAll((int br) => br == rowIndex);
			this.pageBreakRows.Sort();
			this.userPageBreakRows.RemoveAll((int uc) => uc == rowIndex || uc == rowIndex);
			this.AutoSetMaximumScaleForPages();
			this.AutoSplitPage();
		}

		public void ClearColumnPageBreaks()
		{
			bool flag = this.userPageBreakCols != null && this.userPageBreakCols.Count > 2;
			if (flag)
			{
				while (this.userPageBreakCols.Count > 2)
				{
					this.userPageBreakCols.RemoveAt(1);
				}
				this.userPageBreakCols.Sort();
				this.AutoSplitPage();
			}
		}

		public void ClearRowPageBreaks()
		{
			bool flag = this.userPageBreakRows != null && this.userPageBreakRows.Count > 2;
			if (flag)
			{
				while (this.userPageBreakRows.Count > 2)
				{
					this.userPageBreakRows.RemoveAt(1);
				}
				this.userPageBreakRows.Sort();
				this.AutoSplitPage();
			}
		}

		public void ClearAllPageBreaks()
		{
			bool flag = this.userPageBreakCols != null;
			if (flag)
			{
				this.userPageBreakCols.Clear();
			}
			bool flag2 = this.userPageBreakRows != null;
			if (flag2)
			{
				this.userPageBreakRows.Clear();
			}
			bool flag3 = this.MaxContentRow > 0 && this.MaxContentCol > 0;
			if (flag3)
			{
				this.AutoSplitPage();
			}
		}

		public int PrintPageCounts
		{
			get
			{
				return (this.pageBreakCols == null || this.pageBreakCols.Count == 0 || this.pageBreakRows == null || this.pageBreakRows.Count == 0) ? 0 : ((this.pageBreakCols.Count - 1) * (this.pageBreakRows.Count - 1));
			}
		}

		private void RaisePrintableRangeChangedEvent()
		{
			bool flag = this.PrintableRangeChanged != null;
			if (flag)
			{
				this.PrintableRangeChanged(this, null);
			}
		}

		internal int FixPageBreakColIndex(int index, int col)
		{
			bool flag = index == 0;
			if (flag)
			{
				int num = this.printableRange.IsEmpty ? this.rows.Count : this.printableRange.EndCol;
				bool flag2 = col >= num;
				if (flag2)
				{
					col = num;
				}
			}
			else
			{
				bool flag3 = index == this.pageBreakCols.Count - 1;
				if (flag3)
				{
					int num2 = this.printableRange.IsEmpty ? 0 : this.printableRange.Col;
					bool flag4 = col <= num2;
					if (flag4)
					{
						col = num2 + 1;
					}
				}
				else
				{
					int endCol = this.printableRange.EndCol;
					bool flag5 = col > endCol + 1;
					if (flag5)
					{
						col = endCol + 1;
					}
					else
					{
						int col2 = this.printableRange.Col;
						bool flag6 = col < col2;
						if (flag6)
						{
							col = col2;
						}
					}
				}
			}
			return col;
		}

		internal int FixPageBreakRowIndex(int index, int row)
		{
			bool flag = index == 0;
			if (flag)
			{
				int num = this.printableRange.IsEmpty ? this.rows.Count : this.printableRange.EndRow;
				bool flag2 = row >= num;
				if (flag2)
				{
					row = num;
				}
			}
			else
			{
				bool flag3 = index == this.pageBreakRows.Count - 1;
				if (flag3)
				{
					int num2 = this.printableRange.IsEmpty ? 0 : this.printableRange.Row;
					bool flag4 = row <= num2;
					if (flag4)
					{
						row = num2 + 1;
					}
				}
				else
				{
					int endRow = this.printableRange.EndRow;
					bool flag5 = row > endRow + 1;
					if (flag5)
					{
						row = endRow + 1;
					}
					else
					{
						int row2 = this.printableRange.Row;
						bool flag6 = row < row2;
						if (flag6)
						{
							row = row2;
						}
					}
				}
			}
			return row;
		}

		public void _Debug_Validate_PrintPageBreaks()
		{
			bool flag = this.printSettings == null;
			if (flag)
			{
				throw new Exception("print settings is null");
			}
			bool isEmpty = this.printableRange.IsEmpty;
			if (isEmpty)
			{
				throw new Exception("no printable range initialized");
			}
			bool flag2 = this.userPageBreakCols == null || this.userPageBreakCols.Count < 2;
			if (flag2)
			{
				throw new Exception("user column page breaks invalid");
			}
			bool flag3 = this.userPageBreakRows == null || this.userPageBreakRows.Count < 2;
			if (flag3)
			{
				throw new Exception("user row page breaks invalid");
			}
			bool flag4 = this.userPageBreakCols[0] != this.printableRange.Col;
			if (flag4)
			{
				throw new Exception("user col left != printable range");
			}
			bool flag5 = this.userPageBreakCols.Last<int>() != this.printableRange.EndCol + 1;
			if (flag5)
			{
				throw new Exception("user col right != printable range");
			}
			bool flag6 = this.userPageBreakRows[0] != this.printableRange.Row;
			if (flag6)
			{
				throw new Exception("user row left != printable range");
			}
			bool flag7 = this.userPageBreakRows.Last<int>() != this.printableRange.EndRow + 1;
			if (flag7)
			{
				throw new Exception("user row right != printable range");
			}
			foreach (int item in this.userPageBreakCols)
			{
				bool flag8 = !this.pageBreakCols.Contains(item);
				if (flag8)
				{
					throw new Exception("col user page break not containing in page breaks");
				}
			}
			foreach (int item2 in this.userPageBreakRows)
			{
				bool flag9 = !this.pageBreakRows.Contains(item2);
				if (flag9)
				{
					throw new Exception("row user page break not containing in page breaks");
				}
			}
			Func<List<int>, bool> func = delegate(List<int> a)
			{
				List<int> list = new List<int>(a.Distinct<int>());
				list.Sort();
				bool flag16 = a.Count != list.Count;
				bool result;
				if (flag16)
				{
					result = false;
				}
				else
				{
					for (int i = 0; i < a.Count; i++)
					{
						bool flag17 = a[i] != list[i];
						if (flag17)
						{
							return false;
						}
					}
					result = true;
				}
				return result;
			};
			bool flag10 = !func(this.pageBreakCols);
			if (flag10)
			{
				throw new Exception("col page break contains invalid index");
			}
			bool flag11 = !func(this.pageBreakRows);
			if (flag11)
			{
				throw new Exception("row page break contains invalid index");
			}
			bool flag12 = !func(this.userPageBreakCols);
			if (flag12)
			{
				throw new Exception("user col page break contains invalid index");
			}
			bool flag13 = !func(this.userPageBreakRows);
			if (flag13)
			{
				throw new Exception("user row page break contains invalid index");
			}
			bool flag14 = this.printSettings != null && this.printSettings.PageScaling < 0f;
			if (flag14)
			{
				throw new Exception("page scale < 0");
			}
			Rect paperPrintBounds = this.GetPaperPrintBounds();
			float width = paperPrintBounds.Width;
			float height = paperPrintBounds.Height;
			float num = (this.printSettings == null) ? 1f : this.printSettings.PageScaling;
			int num2 = (this.pageBreakRows.Count - 1) * (this.pageBreakCols.Count - 1);
			int printPageCounts = this.PrintPageCounts;
			bool flag15 = num2 != printPageCounts;
			if (flag15)
			{
				throw new Exception(string.Format("page count incorrect, expect {0} but {1}", printPageCounts, num2));
			}
		}

		public Worksheet.ReoGridRangeCollection Ranges
		{
			get
			{
				bool flag = this.rangeCollection == null;
				if (flag)
				{
					this.rangeCollection = new Worksheet.ReoGridRangeCollection(this);
				}
				return this.rangeCollection;
			}
		}

		public object[,] GetRangeData(RangePosition range)
		{
			RangePosition rangePosition = this.FixRange(range);
			object[,] array = new object[rangePosition.Rows, rangePosition.Cols];
			int i = rangePosition.Row;
			int num = 0;
			while (i <= rangePosition.EndRow)
			{
				int j = rangePosition.Col;
				int num2 = 0;
				while (j <= rangePosition.EndCol)
				{
					array[num, num2] = ((this.cells[i, j] == null) ? null : this.cells[i, j].InnerData);
					j++;
					num2++;
				}
				i++;
				num++;
			}
			return array;
		}

		public void DeleteRangeData(string addressOrName)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			if (flag)
			{
				this.DeleteRangeData(new RangePosition(addressOrName), true);
			}
			else
			{
				NamedRange refRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out refRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				this.DeleteRangeData(refRange, true);
			}
		}

		public void DeleteRangeData(RangePosition range)
		{
			this.DeleteRangeData(range, false);
		}

		public void DeleteRangeData(RangePosition range, bool checkReadonly = false)
		{
			RangePosition range2 = this.FixRange(range);
			int maxcol = range.Col;
			List<Cell> formulaDirtyCells = new List<Cell>();
			this.IterateCells(range2, delegate(int row, int col, Cell cell)
			{
				bool flag2 = maxcol < col;
				if (flag2)
				{
					maxcol = col;
				}
				bool flag3 = !checkReadonly || !cell.IsReadOnly;
				if (flag3)
				{
					cell.InnerData = null;
					cell.InnerDisplay = string.Empty;
					cell.TextBounds = default(Rect);
					cell.RenderColor = Color.Transparent;
					cell.RenderScaleFactor = this.renderScaleFactor;
					cell.InnerFormula = null;
					cell.FormulaTree = null;
					this.ClearCellReferenceList(cell);
					bool flag4 = formulaDirtyCells.Contains(cell);
					if (flag4)
					{
						formulaDirtyCells.Remove(cell);
					}
					cell.FontDirty = false;
				}
				Func<ReferenceRange, bool> callFunc = null;
				foreach (KeyValuePair<Cell, List<ReferenceRange>> keyValuePair in this.formulaRanges)
				{
					IEnumerable<ReferenceRange> value = keyValuePair.Value;
					Func<ReferenceRange, bool> predicate;
					if ((predicate = callFunc) == null)
					{
						predicate = (callFunc = ((ReferenceRange r) => r.Contains(cell.InternalPos)));
					}
					bool flag5 = value.Any(predicate) && !formulaDirtyCells.Contains(keyValuePair.Key);
					if (flag5)
					{
						formulaDirtyCells.Add(keyValuePair.Key);
					}
				}
				return true;
			});
			foreach (Cell cell2 in formulaDirtyCells)
			{
				this.RecalcCell(cell2, null);
			}
			for (int i = range2.Col; i <= maxcol; i++)
			{
				ColumnHeader columnHeader = this.cols[i];
				bool flag = columnHeader.Body != null;
				if (flag)
				{
					columnHeader.Body.OnDataChange(range2.Row, range2.EndRow);
				}
			}
			this.RaiseRangeDataChangedEvent(range2);
			this.RequestInvalidate();
		}

		public void SetRangeData(string addressOrName, object data)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			if (flag)
			{
				this.SetRangeData(new RangePosition(addressOrName), data);
			}
			else
			{
				NamedRange refRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out refRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				this.SetRangeData(refRange, data);
			}
		}

		public void SetRangeData(int row, int col, int rows, int cols, object data)
		{
			this.SetRangeData(new RangePosition(row, col, rows, cols), data);
		}

		public void SetRangeData(RangePosition range, object data)
		{
			this.SetRangeData(range, data, false);
		}

		public void SetRangeData(RangePosition range, object data, bool checkReadonly)
		{
			bool isEmpty = range.IsEmpty;
			if (!isEmpty)
			{
				range = this.FixRange(range);
				bool flag = data is Array;
				if (flag)
				{
					Array array = (Array)data;
					bool flag2 = array.Rank == 2;
					if (flag2)
					{
						int length = array.GetLength(0);
						int length2 = array.GetLength(1);
						int num = Math.Max(length, range.Rows);
						int num2 = Math.Max(length2, range.Cols);
						int num3 = 0;
						while (num3 < num && num3 < length)
						{
							int num4 = 0;
							int num5 = 0;
							while (num4 < num2 && num5 < length2)
							{
								int num6 = range.Row + num3;
								int num7 = range.Col + num4;
								bool flag3 = num6 < this.rows.Count && num7 < this.cols.Count;
								if (flag3)
								{
									Cell cell = this.CreateAndGetCell(num6, num7);
									bool flag4 = !checkReadonly || !cell.IsReadOnly;
									if (flag4)
									{
										this.SetSingleCellData(cell, array.GetValue(num3, num5));
									}
									num4 += (int)Math.Max((short)1, cell.Colspan);
								}
								num5++;
							}
							num3++;
						}
					}
					else
					{
						bool flag5 = array.Rank == 1;
						if (!flag5)
						{
							throw new ArgumentException("Array with more than 2 ranks is not supported.");
						}
						bool flag6 = array.Length > 0 && array.GetValue(0) is IEnumerable<object>;
						bool flag7 = flag6;
						if (flag7)
						{
							int num8 = range.Row;
							int num9 = 0;
							while (num8 <= range.EndRow && num9 < array.Length)
							{
								int num10 = range.Col;
								IEnumerable<object> enumerable = array.GetValue(num9) as IEnumerable<object>;
								bool flag8 = enumerable != null;
								if (flag8)
								{
									foreach (object data2 in enumerable)
									{
										this.SetCellData(num8, num10, data2);
										num10++;
										bool flag9 = num10 > range.EndCol || num10 >= this.cols.Count;
										if (flag9)
										{
											break;
										}
									}
								}
								num8++;
								num9++;
							}
						}
						else
						{
							int num11 = range.Row;
							int num12 = range.Col;
							for (int i = 0; i < array.Length; i++)
							{
								object value = array.GetValue(i);
								this.SetCellData(num11, num12, value);
								num12++;
								bool flag10 = num12 > range.EndCol;
								if (flag10)
								{
									num11++;
									bool flag11 = num11 > range.EndRow;
									if (flag11)
									{
										break;
									}
									num12 = range.Col;
								}
							}
						}
					}
				}
				else
				{
					bool flag12 = data is IEnumerable<object>;
					if (flag12)
					{
						IEnumerable<object> enumerable2 = (IEnumerable<object>)data;
						int num13 = range.Row;
						int num14 = range.Col;
						foreach (object data3 in enumerable2)
						{
							this.SetCellData(num13, num14, data3);
							bool flag13 = ++num13 > range.EndRow;
							if (flag13)
							{
								num13 = range.Row;
								bool flag14 = ++num14 > range.EndCol;
								if (flag14)
								{
									break;
								}
							}
						}
					}
					else
					{
						bool flag15 = data is DataTable;
						if (flag15)
						{
							this.SetRangeData(range, (DataTable)data);
						}
						else
						{
							bool flag16 = data is PartialGrid;
							if (flag16)
							{
								this.SetPartialGrid(range, (PartialGrid)data);
							}
							else
							{
								this.SetCellData(range.StartPos, data);
							}
						}
					}
				}
			}
		}

		public void SetRangeData(RangePosition range, DataTable table)
		{
			int num = range.Row;
			int num2 = 0;
			while (num <= range.EndRow && num2 < table.Rows.Count)
			{
				int num3 = range.Col;
				int num4 = 0;
				while (num3 <= range.EndCol && num4 < table.Columns.Count)
				{
					this.SetCellData(num, num3, table.Rows[num2][num4]);
					num3++;
					num4++;
				}
				num++;
				num2++;
			}
		}

		internal void RaiseRangeDataChangedEvent(RangePosition range)
		{
			bool flag = !this.suspendDataChangedEvent;
			if (flag)
			{
				bool flag2 = this.RangeDataChanged != null;
				if (flag2)
				{
					this.RangeDataChanged(this, new RangeEventArgs(range));
				}
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<RangeEventArgs> RangeDataChanged;

		public CellPosition FixPos(CellPosition pos)
		{
			bool flag = pos.Row < 0;
			if (flag)
			{
				pos.Row = 0;
			}
			bool flag2 = pos.Col < 0;
			if (flag2)
			{
				pos.Col = 0;
			}
			bool flag3 = pos.Row > this.rows.Count - 1;
			if (flag3)
			{
				pos.Row = this.rows.Count - 1;
			}
			bool flag4 = pos.Col > this.cols.Count - 1;
			if (flag4)
			{
				pos.Col = this.cols.Count - 1;
			}
			return pos;
		}

		public RangePosition FixRange(RangePosition range)
		{
			range.StartPos = this.FixPos(range.StartPos);
			bool flag = range.Rows == -1;
			if (flag)
			{
				range.EndRow = this.rows.Count;
			}
			bool flag2 = range.Cols == -1;
			if (flag2)
			{
				range.EndCol = this.cols.Count;
			}
			bool flag3 = range.EndRow > this.rows.Count - 1 || range.Rows == -1;
			if (flag3)
			{
				range.EndRow = this.rows.Count - 1;
			}
			bool flag4 = range.EndCol > this.cols.Count - 1 || range.Cols == -1;
			if (flag4)
			{
				range.EndCol = this.cols.Count - 1;
			}
			return range;
		}

		public bool CheckRangeReadonly(RangePosition range)
		{
			bool foundReadonlyCell = false;
			this.IterateCells(range, delegate(int r, int c, Cell cell)
			{
				bool isReadOnly = cell.IsReadOnly;
				bool result;
				if (isReadOnly)
				{
					foundReadonlyCell = true;
					result = false;
				}
				else
				{
					result = true;
				}
				return result;
			});
			return foundReadonlyCell;
		}

		public void ScrollToCell(string address)
		{
			this.ScrollToCell(new CellPosition(address));
		}

		public void ScrollToCell(CellPosition pos)
		{
			this.ScrollToRange(new RangePosition(pos), pos);
		}

		public void ScrollToCell(Cell cell)
		{
			bool flag = cell.Worksheet != this;
			if (flag)
			{
				throw new ReferenceObjectNotAssociatedException("Specified cell does not belong to this worksheet.");
			}
			this.ScrollToCell(cell.InternalPos);
		}

		public void ScrollToCell(int row, int col)
		{
			this.ScrollToRange(this.FixRange(new RangePosition(row, col, 1, 1)));
		}

		public void ScrollToRange(string addressOrName)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			if (flag)
			{
				this.ScrollToRange(new RangePosition(addressOrName));
			}
			else
			{
				NamedRange refRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out refRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				this.ScrollToRange(refRange);
			}
		}

		public void ScrollToRange(int row, int col, int rows, int cols)
		{
			this.ScrollToRange(new RangePosition(row, col, rows, cols));
		}

		public void ScrollToRange(RangePosition range)
		{
			this.ScrollToRange(range, range.EndPos);
		}

		public void ScrollToRange(RangePosition range, CellPosition basePos)
		{
			IScrollableViewportController scrollableViewportController = this.viewportController as IScrollableViewportController;
			bool flag = scrollableViewportController != null;
			if (flag)
			{
				scrollableViewportController.ScrollToRange(this.FixRange(range), basePos);
			}
		}

		public void MoveRange(string fromRangeAddress, string toRangeAddress)
		{
			bool flag = RangePosition.IsValidAddress(fromRangeAddress);
			RangePosition fromRange;
			if (flag)
			{
				fromRange = new RangePosition(fromRangeAddress);
			}
			else
			{
				bool flag2 = this.TryGetNamedRangePosition(fromRangeAddress, out fromRange);
				if (!flag2)
				{
					throw new InvalidAddressException(fromRangeAddress);
				}
			}
			bool flag3 = RangePosition.IsValidAddress(toRangeAddress);
			RangePosition toRange;
			if (flag3)
			{
				toRange = new RangePosition(toRangeAddress);
			}
			else
			{
				bool flag4 = this.TryGetNamedRangePosition(toRangeAddress, out toRange);
				if (!flag4)
				{
					throw new InvalidAddressException(toRangeAddress);
				}
			}
			this.MoveRange(fromRange, toRange);
		}

		public void MoveRange(RangePosition fromRange, RangePosition toRange)
		{
			this.MoveRange(fromRange, toRange, PartialGridCopyFlag.All);
		}

		public void MoveRange(RangePosition fromRange, RangePosition toRange, PartialGridCopyFlag flags = PartialGridCopyFlag.All)
		{
			this.CopyRange(fromRange, toRange, flags, true);
		}

		public void CopyRange(string fromRangeAddress, string toRangeAddress)
		{
			bool flag = RangePosition.IsValidAddress(fromRangeAddress);
			RangePosition fromRange;
			if (flag)
			{
				fromRange = new RangePosition(fromRangeAddress);
			}
			else
			{
				bool flag2 = !this.TryGetNamedRangePosition(fromRangeAddress, out fromRange);
				if (flag2)
				{
					throw new InvalidAddressException(fromRangeAddress);
				}
			}
			bool flag3 = RangePosition.IsValidAddress(toRangeAddress);
			RangePosition toRange;
			if (flag3)
			{
				toRange = new RangePosition(toRangeAddress);
			}
			else
			{
				bool flag4 = !this.TryGetNamedRangePosition(toRangeAddress, out toRange);
				if (flag4)
				{
					throw new InvalidAddressException(toRangeAddress);
				}
			}
			this.CopyRange(fromRange, toRange);
		}

		public void CopyRange(RangePosition fromRange, RangePosition toRange)
		{
			this.CopyRange(fromRange, toRange, PartialGridCopyFlag.All);
		}

		public void CopyRange(RangePosition fromRange, RangePosition toRange, PartialGridCopyFlag flags = PartialGridCopyFlag.All)
		{
			this.CopyRange(fromRange, toRange, flags, false);
		}

		internal void CopyRange(RangePosition fromRange, RangePosition toRange, PartialGridCopyFlag flags = PartialGridCopyFlag.All, bool moveRange = false)
		{
			bool flag = this.HasSettings(WorksheetSettings.Edit_Readonly);
			if (flag)
			{
				throw new CellDataReadonlyException(fromRange.StartPos);
			}
			bool flag2 = fromRange == toRange;
			if (!flag2)
			{
				RangePosition r = this.CheckIntersectedMergingRange(fromRange);
				bool flag3 = r != RangePosition.Empty;
				if (flag3)
				{
					throw new RangeIntersectionException(fromRange);
				}
				r = this.CheckIntersectedMergingRange(toRange);
				bool flag4 = r != RangePosition.Empty;
				if (flag4)
				{
					throw new RangeIntersectionException(toRange);
				}
				bool flag5 = this.CheckRangeReadonly(fromRange);
				if (flag5)
				{
					throw new RangeContainsReadonlyCellsException(fromRange);
				}
				bool flag6 = this.CheckRangeReadonly(toRange);
				if (flag6)
				{
					throw new RangeContainsReadonlyCellsException(fromRange);
				}
				BeforeCopyOrMoveRangeEventArgs beforeCopyOrMoveRangeEventArgs = new BeforeCopyOrMoveRangeEventArgs(fromRange, toRange);
				if (moveRange)
				{
					EventHandler<BeforeCopyOrMoveRangeEventArgs> beforeRangeMove = this.BeforeRangeMove;
					if (beforeRangeMove != null)
					{
						beforeRangeMove(this, beforeCopyOrMoveRangeEventArgs);
					}
				}
				else
				{
					EventHandler<BeforeCopyOrMoveRangeEventArgs> beforeRangeCopy = this.BeforeRangeCopy;
					if (beforeRangeCopy != null)
					{
						beforeRangeCopy(this, beforeCopyOrMoveRangeEventArgs);
					}
				}
				bool isCancelled = beforeCopyOrMoveRangeEventArgs.IsCancelled;
				if (!isCancelled)
				{
					PartialGrid partialGrid = this.GetPartialGrid(fromRange);
					if (moveRange)
					{
						this.UnmergeRange(fromRange);
						this.ClearRangeContent(fromRange, CellElementFlag.All, true);
					}
					this.SetPartialGrid(toRange, partialGrid);
					if (moveRange)
					{
						EventHandler<CopyOrMoveRangeEventArgs> afterRangeMove = this.AfterRangeMove;
						if (afterRangeMove != null)
						{
							afterRangeMove(this, new CopyOrMoveRangeEventArgs(fromRange, toRange));
						}
					}
					else
					{
						EventHandler<CopyOrMoveRangeEventArgs> afterRangeCopy = this.AfterRangeCopy;
						if (afterRangeCopy != null)
						{
							afterRangeCopy(this, new CopyOrMoveRangeEventArgs(fromRange, toRange));
						}
					}
				}
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<BeforeCopyOrMoveRangeEventArgs> BeforeRangeMove;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<BeforeCopyOrMoveRangeEventArgs> BeforeRangeCopy;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<CopyOrMoveRangeEventArgs> AfterRangeMove;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<CopyOrMoveRangeEventArgs> AfterRangeCopy;

		public void ClearRangeContent(string addressOrName, CellElementFlag flags)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			if (flag)
			{
				this.ClearRangeContent(new RangePosition(addressOrName), flags, true);
			}
			else
			{
				NamedRange namedRange;
				bool flag2 = this.TryGetNamedRange(addressOrName, out namedRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				this.ClearRangeContent(namedRange.Position, flags, true);
			}
		}

		public void ClearRangeContent(RangePosition range, CellElementFlag flags, bool checkReadonly = true)
		{
			RangePosition range2 = this.FixRange(range);
			bool flag = (flags & CellElementFlag.Data) == CellElementFlag.Data;
			bool flag2 = (flags & CellElementFlag.Formula) == CellElementFlag.Formula;
			bool flag3 = (flags & CellElementFlag.DataFormat) == CellElementFlag.DataFormat;
			bool flag4 = (flags & CellElementFlag.Body) == CellElementFlag.Body;
			bool flag5 = (flags & CellElementFlag.Style) == CellElementFlag.Style;
			int num = range.Col;
			List<Cell> list = new List<Cell>();
			for (int i = range2.Row; i <= range2.EndRow; i++)
			{
				for (int j = range2.Col; j <= range2.EndCol; j++)
				{
					Cell cell = this.cells[i, j];
					bool flag6 = cell != null;
					if (flag6)
					{
						bool flag7 = false;
						bool flag8 = !checkReadonly || !cell.IsReadOnly;
						if (flag8)
						{
							bool flag9 = flag;
							if (flag9)
							{
								cell.InnerData = null;
								cell.InnerDisplay = string.Empty;
								bool flag10 = cell.InnerStyle.HAlign == ReoGridHorAlign.General;
								if (flag10)
								{
									cell.RenderHorAlign = ReoGridRenderHorAlign.Left;
								}
								flag7 = true;
							}
							bool flag11 = flag2;
							if (flag11)
							{
								cell.InnerFormula = null;
								this.ClearCellReferenceList(cell);
							}
							bool flag12 = flag3;
							if (flag12)
							{
								cell.DataFormat = CellDataFormatFlag.General;
								cell.DataFormatArgs = null;
								flag7 = true;
							}
							bool flag13 = flag4;
							if (flag13)
							{
								cell.body = null;
								flag7 = true;
							}
							bool flag14 = flag7;
							if (flag14)
							{
								bool flag15 = num < j;
								if (flag15)
								{
									num = j;
								}
								Func<ReferenceRange, bool> callFunc = null;
								foreach (KeyValuePair<Cell, List<ReferenceRange>> keyValuePair in this.formulaRanges)
								{
									IEnumerable<ReferenceRange> value = keyValuePair.Value;
									Func<ReferenceRange, bool> predicate;
									if ((predicate = callFunc) == null)
									{
										predicate = (callFunc = ((ReferenceRange rr) => rr.Contains(cell.InternalPos)));
									}
									bool flag16 = value.Any(predicate) && !list.Contains(keyValuePair.Key);
									if (flag16)
									{
										list.Add(keyValuePair.Key);
									}
								}
								this.RaiseCellDataChangedEvent(cell);
							}
						}
					}
				}
			}
			bool flag17 = flag5;
			if (flag17)
			{
				this.RemoveRangeStyles(range2, PlainStyleFlag.All);
			}
			foreach (Cell cell2 in list)
			{
				this.RecalcCell(cell2, null);
			}
			for (int k = range2.Col; k <= num; k++)
			{
				ColumnHeader columnHeader = this.cols[k];
				bool flag18 = columnHeader.Body != null;
				if (flag18)
				{
					columnHeader.Body.OnDataChange(range2.Row, range2.EndRow);
				}
			}
			bool flag19 = (flags & CellElementFlag.Border) == CellElementFlag.Border;
			if (flag19)
			{
				this.RemoveRangeBorders(range2, BorderPositions.All);
			}
			this.RequestInvalidate();
		}

		public HighlightRange FocusHighlightRange
		{
			get
			{
				return this.focusHighlightRange;
			}
			set
			{
				this.focusHighlightRange = value;
				bool flag = this.focusHighlightRange != null;
				if (flag)
				{
					this.controlAdapter.StartTimer();
				}
			}
		}

		public ICollection<HighlightRange> HighlightRanges
		{
			get
			{
				bool flag = this.highlightRangeCollection == null;
				if (flag)
				{
					this.highlightRangeCollection = new Worksheet.HighlightRangeCollection(this);
				}
				return this.highlightRangeCollection;
			}
		}

		internal Color GetNextAvailableHighlightRangeColor()
		{
			Color[] namedRangeHighlightColors = Worksheet.NamedRangeHighlightColors;
			this.rangeHighlightColorCounter = this.rangeHighlightColorCounter++;
			Color result = namedRangeHighlightColors[(int)this.rangeHighlightColorCounter];
			bool flag = (int)this.rangeHighlightColorCounter >= Worksheet.NamedRangeHighlightColors.Length;
			if (flag)
			{
				this.rangeHighlightColorCounter = 0;
			}
			return result;
		}

		public void StartCreateHighlightRange()
		{
			this.operationStatus = OperationStatus.HighlightRangeCreate;
		}

		public HighlightRange CreateHighlightRange(string addressOrName)
		{
			return this.CreateHighlightRange(addressOrName, this.GetNextAvailableHighlightRangeColor());
		}

		public HighlightRange CreateHighlightRange(string addressOrName, Color color)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			HighlightRange result;
			if (flag)
			{
				result = this.CreateHighlightRange(new RangePosition(addressOrName), color);
			}
			else
			{
				NamedRange namedRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out namedRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				result = this.CreateHighlightRange(namedRange.Position, color);
			}
			return result;
		}

		public HighlightRange CreateHighlightRange(RangePosition range, Color color)
		{
			return new HighlightRange(this, range)
			{
				HighlightColor = color
			};
		}

		public HighlightRange AddHighlightRange(string address)
		{
			bool flag = RangePosition.IsValidAddress(address);
			HighlightRange result;
			if (flag)
			{
				result = this.AddHighlightRange(new RangePosition(address));
			}
			else
			{
				bool flag2 = RGUtility.IsValidName(address);
				if (flag2)
				{
					NamedRange refRange;
					bool flag3 = this.registeredNamedRanges.TryGetValue(address, out refRange);
					if (flag3)
					{
						return this.AddHighlightRange(refRange);
					}
				}
				result = null;
			}
			return result;
		}

		public HighlightRange AddHighlightRange(RangePosition range)
		{
			for (int i = 0; i < this.highlightRanges.Count; i++)
			{
				HighlightRange highlightRange = this.highlightRanges[i];
				bool flag = highlightRange.StartPos == range.StartPos && highlightRange.EndPos == range.EndPos;
				if (flag)
				{
					this.highlightRanges.RemoveAt(i);
				}
			}
			HighlightRange highlightRange2 = new HighlightRange(this, range);
			this.AddHighlightRange(highlightRange2);
			return highlightRange2;
		}

		internal void AddHighlightRange(HighlightRange range)
		{
			this.highlightRanges.Add(range);
			this.RequestInvalidate();
		}

		public bool RemoveHighlightRange(string address)
		{
			bool flag = RangePosition.IsValidAddress(address);
			bool result;
			if (flag)
			{
				result = this.RemoveHighlightRange(new RangePosition(address));
			}
			else
			{
				bool flag2 = RGUtility.IsValidName(address);
				if (flag2)
				{
					NamedRange refRange;
					bool flag3 = this.registeredNamedRanges.TryGetValue(address, out refRange);
					if (flag3)
					{
						return this.RemoveHighlightRange(refRange);
					}
				}
				result = false;
			}
			return result;
		}

		public bool RemoveHighlightRange(RangePosition range)
		{
			bool flag = false;
			for (int i = 0; i < this.highlightRanges.Count; i++)
			{
				bool flag2 = this.highlightRanges[i].StartPos == range.StartPos && this.highlightRanges[i].EndPos == range.EndPos;
				if (flag2)
				{
					this.highlightRanges.RemoveAt(i);
					flag = true;
				}
			}
			bool flag3 = flag;
			if (flag3)
			{
				this.RequestInvalidate();
			}
			return flag;
		}

		public void RemoveAllHighlightRanges()
		{
			bool flag = this.highlightRanges != null && this.highlightRanges.Count > 0;
			if (flag)
			{
				this.highlightRanges.Clear();
				this.RequestInvalidate();
			}
		}

		public bool HasHighlightRange(RangePosition range)
		{
			for (int i = 0; i < this.highlightRanges.Count; i++)
			{
				bool flag = this.highlightRanges[i].StartPos == range.StartPos && this.highlightRanges[i].EndPos == range.EndPos;
				if (flag)
				{
					this.highlightRanges.RemoveAt(i);
					return true;
				}
			}
			return false;
		}

		public void TimerRun()
		{
			bool flag = this.focusHighlightRange == null;
			if (flag)
			{
				this.controlAdapter.StopTimer();
			}
			else
			{
				this.RequestInvalidate();
			}
		}

		public void MergeRange(string addressOrName)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			if (flag)
			{
				this.MergeRange(new RangePosition(addressOrName));
			}
			else
			{
				NamedRange refRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out refRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				this.MergeRange(refRange);
			}
		}

		public void MergeRange(int row, int col, int rows, int cols)
		{
			this.MergeRange(new RangePosition(row, col, rows, cols));
		}

		public void MergeRange(RangePosition range)
		{
			this.MergeRange(range, true, true);
		}

		internal void MergeRange(RangePosition range, bool checkIntersection = true, bool updateUIAndEvent = true)
		{
			bool isEmpty = range.IsEmpty;
			if (!isEmpty)
			{
				RangePosition range2 = this.FixRange(range);
				bool flag = range2.Cols <= 1 && range2.Rows <= 1;
				if (!flag)
				{
					if (checkIntersection)
					{
						RangePosition range3 = this.CheckIntersectedMergingRange(range2);
						bool flag2 = !range3.IsEmpty;
						if (flag2)
						{
							throw new RangeIntersectionException(range3);
						}
					}
					int row = range2.Row;
					int col = range2.Col;
					int endRow = range2.EndRow;
					int endCol = range2.EndCol;
					Cell cell = this.cells[row, col];
					Cell cell2 = this.cells[endRow, endCol];
					bool flag3 = cell == null;
					if (flag3)
					{
						cell = this.CreateCell(row, col, true);
					}
					bool flag4 = cell2 == null;
					if (flag4)
					{
						cell2 = this.CreateCell(endRow, endCol, true);
					}
					for (int i = row; i <= endRow; i++)
					{
						for (int j = col; j <= endCol; j++)
						{
							Cell cell3 = this.CreateAndGetCell(i, j);
							cell3.MergeStartPos = cell.InternalPos;
							cell3.MergeEndPos = cell2.InternalPos;
							cell3.Colspan = 0;
							cell3.Rowspan = 0;
							bool flag5 = cell3 != cell;
							if (flag5)
							{
								cell3.InnerData = (cell3.InnerDisplay = null);
							}
							bool flag6 = i == row;
							if (flag6)
							{
								bool flag7 = j > col;
								if (flag7)
								{
									this.CutBeforeVBorder(i, j);
								}
							}
							else
							{
								this.hBorders[i, j] = new ReoGridHBorder
								{
									Span = 0
								};
							}
							bool flag8 = j == col;
							if (flag8)
							{
								bool flag9 = i > row;
								if (flag9)
								{
									this.CutBeforeHBorder(i, j);
								}
							}
							else
							{
								this.vBorders[i, j] = new ReoGridVBorder
								{
									Span = 0
								};
							}
						}
					}
					cell.Rowspan = (short)range2.Rows;
					cell.Colspan = (short)range2.Cols;
					this.UpdateCellBounds(cell);
					bool flag10 = this.selectionRange.IntersectWith(range2);
					if (flag10)
					{
						this.selectionRange = this.CheckMergedRange(range2);
					}
					bool flag11 = range2.Contains(this.focusPos);
					if (flag11)
					{
						this.focusPos = range2.StartPos;
					}
					if (updateUIAndEvent)
					{
						this.RequestInvalidate();
						bool flag12 = this.RangeMerged != null;
						if (flag12)
						{
							this.RangeMerged(this, new RangeEventArgs(range2));
						}
					}
				}
			}
		}

		public void UnmergeRange(int row, int col, int rows, int cols)
		{
			this.UnmergeRange(new RangePosition(row, col, rows, cols));
		}

		public void UnmergeRange(RangePosition range)
		{
			bool isEmpty = range.IsEmpty;
			if (!isEmpty)
			{
				range = this.FixRange(range);
				int row = range.Row;
				int col = range.Col;
				int num = range.Row + range.Rows - 1;
				int num2 = range.Col + range.Cols - 1;
				for (int i = row; i <= num; i++)
				{
					for (int j = col; j <= num2; j++)
					{
						Cell cell = this.CreateAndGetCell(i, j);
						bool flag = cell.Colspan > 1 || cell.Rowspan > 1;
						if (flag)
						{
							this.UnmergeCell(cell);
							j += (int)cell.Colspan;
						}
					}
				}
				this.RequestInvalidate();
			}
		}

		private void UnmergeCell(Cell source)
		{
			int num = source.InternalRow + (int)source.Rowspan;
			int num2 = source.InternalCol + (int)source.Colspan;
			RangePosition range = new RangePosition(source.InternalRow, source.InternalCol, (int)source.Rowspan, (int)source.Colspan);
			for (int i = source.InternalRow; i < num; i++)
			{
				for (int j = source.InternalCol; j < num2; j++)
				{
					Cell cell = this.CreateAndGetCell(i, j);
					cell.MergeStartPos = CellPosition.Empty;
					cell.MergeEndPos = CellPosition.Empty;
					cell.Colspan = 1;
					cell.Rowspan = 1;
					this.UpdateCellBounds(cell);
					bool flag = i != source.InternalRow;
					if (flag)
					{
						this.hBorders[i, j] = null;
					}
					bool flag2 = j != source.InternalCol;
					if (flag2)
					{
						this.vBorders[i, j] = null;
					}
					bool flag3 = i != source.InternalRow || j != source.InternalCol;
					if (flag3)
					{
						cell.InnerStyle = source.InnerStyle;
						cell.StyleParentKind = StyleParentKind.Range;
					}
				}
			}
			bool flag4 = this.RangeUnmerged != null;
			if (flag4)
			{
				this.RangeUnmerged(this, new RangeEventArgs(range));
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<RangeEventArgs> RangeMerged;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<RangeEventArgs> RangeUnmerged;

		public RangePosition CheckIntersectedMergingRange(RangePosition range)
		{
			RangePosition intersectedRange = RangePosition.Empty;
			this.cells.Iterate(range.Row, range.Col, range.Rows, range.Cols, true, delegate(int r, int c, Cell cell)
			{
				bool flag = !cell.MergeStartPos.IsEmpty;
				int result;
				if (flag)
				{
					Cell cell2 = this.GetCell(cell.MergeStartPos);
					for (int i = cell2.InternalRow; i <= cell2.MergeEndPos.Row; i++)
					{
						for (int j = cell2.InternalCol; j <= cell2.MergeEndPos.Col; j++)
						{
							Cell cell3 = this.cells[i, j];
							bool flag2 = cell3 != null && !range.Contains(cell3.InternalPos);
							if (flag2)
							{
								intersectedRange = new RangePosition(cell2.InternalPos, cell2.MergeEndPos);
								break;
							}
						}
						bool flag3 = !intersectedRange.IsEmpty;
						if (flag3)
						{
							break;
						}
					}
					result = (int)(intersectedRange.IsEmpty ? 0 : cell.Colspan);
				}
				else
				{
					result = (int)((cell.Colspan < 1) ? 1 : cell.Colspan);
				}
				return result;
			});
			return intersectedRange;
		}

		public bool HasIntersectedMergingRange(RangePosition range)
		{
			return !this.CheckIntersectedMergingRange(range).IsEmpty;
		}

		public RangePosition CheckMergedRange(RangePosition range)
		{
			int num = range.Row;
			int num2 = range.Col;
			int num3 = range.EndRow;
			int num4 = range.EndCol;
			bool flag;
			do
			{
				flag = false;
				for (int i = num; i <= num3; i++)
				{
					Cell cell = this.cells[i, num2];
					bool flag2 = cell != null && cell.MergeStartPos != CellPosition.Empty;
					if (flag2)
					{
						int row = cell.MergeStartPos.Row;
						bool flag3 = num > row;
						if (flag3)
						{
							num = row;
							flag = true;
						}
						int col = cell.MergeStartPos.Col;
						bool flag4 = num2 > col;
						if (flag4)
						{
							num2 = col;
							flag = true;
						}
					}
				}
				for (int j = num; j <= num3; j++)
				{
					Cell cell = this.cells[j, num4];
					bool flag5 = cell != null && cell.MergeEndPos != CellPosition.Empty;
					if (flag5)
					{
						int row2 = cell.MergeEndPos.Row;
						bool flag6 = num3 < row2;
						if (flag6)
						{
							num3 = row2;
							flag = true;
						}
						int col2 = cell.MergeEndPos.Col;
						bool flag7 = num4 < col2;
						if (flag7)
						{
							num4 = col2;
							flag = true;
						}
					}
				}
				for (int k = num2; k <= num4; k++)
				{
					Cell cell = this.cells[num, k];
					bool flag8 = cell != null && cell.MergeStartPos != CellPosition.Empty;
					if (flag8)
					{
						int row3 = cell.MergeStartPos.Row;
						bool flag9 = num > row3;
						if (flag9)
						{
							num = row3;
							flag = true;
						}
						int col3 = cell.MergeStartPos.Col;
						bool flag10 = num2 > col3;
						if (flag10)
						{
							num2 = col3;
							flag = true;
						}
					}
				}
				for (int l = num2; l <= num4; l++)
				{
					Cell cell = this.cells[num3, l];
					bool flag11 = cell != null && cell.MergeEndPos != CellPosition.Empty;
					if (flag11)
					{
						int row4 = cell.MergeEndPos.Row;
						bool flag12 = num3 < row4;
						if (flag12)
						{
							num3 = row4;
							flag = true;
						}
						int col4 = cell.MergeEndPos.Col;
						bool flag13 = num4 < col4;
						if (flag13)
						{
							num4 = col4;
							flag = true;
						}
					}
				}
			}
			while (flag);
			return new RangePosition(num, num2, num3 - num + 1, num4 - num2 + 1);
		}

		private bool IsInsideSameMergedCell(int r1, int c1, int r2, int c2)
		{
			return Worksheet.IsInsideSameMergedCell(this.cells[r1, c1], this.cells[r2, c2]);
		}

		private static bool IsInsideSameMergedCell(Cell cell1, Cell cell2)
		{
			return cell1 != null && cell2 != null && !cell1.MergeStartPos.IsEmpty && CellPosition.Equals(cell1.MergeStartPos, cell2.MergeStartPos);
		}

		public bool RangeIsMergedCell(RangePosition range)
		{
			Cell cell = this.cells[range.Row, range.Col];
			return (cell == null && range.Rows == 1 && range.Cols == 1) || (cell != null && (int)cell.Rowspan == range.Rows && (int)cell.Colspan == range.Cols);
		}

		public void AddNamedRange(NamedRange namedRange)
		{
			bool flag = namedRange == null;
			if (flag)
			{
				throw new ArgumentNullException("namedRange", "Specified range object cannot be null");
			}
			bool flag2 = string.IsNullOrEmpty(namedRange.Name);
			if (flag2)
			{
				throw new ArgumentNullException("namedRange.Name", "Name of range object cannot be empty");
			}
			bool flag3 = namedRange.Worksheet != null && namedRange.Worksheet != this;
			if (flag3)
			{
				throw new ArgumentException("Specified range is belong to another worksheet, remove from other worksheet firstly, or create a new range at same position.");
			}
			Func<KeyValuePair<string, NamedRange>, bool> callFunc = null;
			bool flag4 = namedRange.Scope == NamedRangeScope.Workbook && this.workbook.worksheets.Any(delegate(Worksheet s)
			{
				IEnumerable<KeyValuePair<string, NamedRange>> source = s.registeredNamedRanges;
				Func<KeyValuePair<string, NamedRange>, bool> predicate;
				if ((predicate = callFunc) == null)
				{
					predicate = (callFunc = ((KeyValuePair<string, NamedRange> p) => p.Value.Scope == NamedRangeScope.Workbook && p.Key.Equals(namedRange.Name, StringComparison.CurrentCultureIgnoreCase)));
				}
				return source.Any(predicate);
			});
			if (flag4)
			{
				throw new NamedRangeAlreadyDefinedException();
			}
			this.registeredNamedRanges[namedRange.Name] = namedRange;
			namedRange.Worksheet = this;
			bool flag5 = this.NamedRangeDefined != null;
			if (flag5)
			{
				this.NamedRangeDefined(this, new NamedRangeAddedEventArgs(namedRange));
			}
		}

		public NamedRange DefineNamedRange(string name, string address)
		{
			return this.DefineNamedRange(name, address, NamedRangeScope.Workbook);
		}

		public NamedRange DefineNamedRange(string name, string address, NamedRangeScope scope)
		{
			bool flag = !RangePosition.IsValidAddress(address);
			if (flag)
			{
				throw new InvalidAddressException(address);
			}
			return this.DefineNamedRange(name, new RangePosition(address), scope);
		}

		public NamedRange DefineNamedRange(string name, int row, int col, int rows, int cols)
		{
			return this.DefineNamedRange(name, new RangePosition(row, col, rows, cols), NamedRangeScope.Workbook);
		}

		public NamedRange DefineNamedRange(string name, int row, int col, int rows, int cols, NamedRangeScope scope)
		{
			return this.DefineNamedRange(name, new RangePosition(row, col, rows, cols), scope);
		}

		public NamedRange DefineNamedRange(string name, RangePosition range, NamedRangeScope scope = NamedRangeScope.Workbook)
		{
			NamedRange namedRange = new NamedRange(this, name, this.FixRange(range))
			{
				Scope = scope
			};
			this.AddNamedRange(namedRange);
			return namedRange;
		}

		public NamedRange GetNamedRange(string name)
		{
			bool flag = this.registeredNamedRanges == null;
			NamedRange result;
			if (flag)
			{
				result = null;
			}
			else
			{
				NamedRange namedRange;
				this.registeredNamedRanges.TryGetValue(name, out namedRange);
				result = namedRange;
			}
			return result;
		}

		public bool TryGetNamedRange(string name, out NamedRange namedRange)
		{
			bool flag = !RGUtility.IsValidName(name);
			bool result;
			if (flag)
			{
				namedRange = null;
				result = false;
			}
			else
			{
				result = this.registeredNamedRanges.TryGetValue(name, out namedRange);
			}
			return result;
		}

		internal bool TryGetNamedRangePosition(string name, out RangePosition range)
		{
			bool flag = !RGUtility.IsValidName(name);
			bool result;
			if (flag)
			{
				range = RangePosition.Empty;
				result = false;
			}
			else
			{
				NamedRange namedRange;
				this.registeredNamedRanges.TryGetValue(name, out namedRange);
				range = namedRange.Position;
				result = true;
			}
			return result;
		}

		public bool TryGetRangeByAddressOrName(string addressOrName, out RangePosition range)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			bool result;
			if (flag)
			{
				range = new RangePosition(addressOrName);
				result = true;
			}
			else
			{
				bool flag2 = NamedRange.IsValidName(addressOrName);
				if (flag2)
				{
					NamedRange refRange;
					bool flag3 = this.registeredNamedRanges.TryGetValue(addressOrName, out refRange);
					if (flag3)
					{
						range = refRange;
						return true;
					}
				}
				range = RangePosition.Empty;
				result = false;
			}
			return result;
		}

		public IEnumerable<string> GetAllNamedRanges()
		{
			return this.registeredNamedRanges.Keys;
		}

		public string GetNameByRange(string address)
		{
			return RangePosition.IsValidAddress(address) ? this.GetNameByRange(new RangePosition(address)) : null;
		}

		public string GetNameByRange(RangePosition range)
		{
			KeyValuePair<string, NamedRange> keyValuePair = this.registeredNamedRanges.FirstOrDefault((KeyValuePair<string, NamedRange> nr) => nr.Value.StartPos == range.StartPos && nr.Value.EndPos == range.EndPos);
			return (keyValuePair.Key == null) ? null : keyValuePair.Key;
		}

		public bool UndefineNamedRange(string name)
		{
			NamedRange namedRange;
			bool flag = this.registeredNamedRanges.TryGetValue(name, out namedRange);
			bool result;
			if (flag)
			{
				namedRange.Worksheet = null;
				this.registeredNamedRanges.Remove(name);
				bool flag2 = this.NamedRangeUndefined != null;
				if (flag2)
				{
					this.NamedRangeUndefined(this, new NamedRangeUndefinedEventArgs(namedRange, namedRange.Name));
				}
				result = true;
			}
			else
			{
				result = false;
			}
			return result;
		}

		public bool RenameNamedRange(string oldName, string newName)
		{
			NamedRange namedRange;
			bool flag = this.registeredNamedRanges.TryGetValue(oldName, out namedRange);
			bool result;
			if (flag)
			{
				namedRange.internalName = newName;
				this.registeredNamedRanges.Remove(oldName);
				this.registeredNamedRanges[newName] = namedRange;
				result = true;
			}
			else
			{
				result = false;
			}
			return result;
		}

		private string GetAvailableRangeName()
		{
			int num = 0;
			string result;
			while (this.registeredNamedRanges.ContainsKey(result = "__unnamed_range" + ((num == 0) ? string.Empty : ("_" + num.ToString()))))
			{
				num++;
			}
			return result;
		}

		public NamedRangeCollection NamedRanges
		{
			get
			{
				bool flag = this.namedRangeCollection == null;
				if (flag)
				{
					this.namedRangeCollection = new NamedRangeCollection(this);
				}
				return this.namedRangeCollection;
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<NamedRangeAddedEventArgs> NamedRangeDefined;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<NamedRangeUndefinedEventArgs> NamedRangeUndefined;

		public void SetRangeStyles(string addressOrName, WorksheetRangeStyle style)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			if (flag)
			{
				this.SetRangeStyles(new RangePosition(addressOrName), style);
			}
			else
			{
				NamedRange refRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out refRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				this.SetRangeStyles(refRange, style);
			}
		}

		public void SetRangeStyles(int row, int col, int rows, int cols, WorksheetRangeStyle style)
		{
			this.SetRangeStyles(new RangePosition(row, col, rows, cols), style);
		}

		public void SetRangeStyles(RangePosition range, WorksheetRangeStyle style)
		{
			bool flag = this.currentEditingCell != null;
			if (flag)
			{
				this.EndEdit(EndEditReason.NormalFinish);
			}
			RangePosition range2 = this.FixRange(range);
			int row = range2.Row;
			int col = range2.Col;
			int num = range2.EndRow;
			int num2 = range2.EndCol;
			bool flag2 = range2.Rows == this.rows.Count;
			bool flag3 = range2.Cols == this.cols.Count;
			bool flag4 = flag3 && flag2;
			bool flag5 = !flag2 && !flag3;
			int maxContentRow = 0;
			bool flag6 = flag2 && num > (maxContentRow = this.MaxContentRow);
			if (flag6)
			{
				num = maxContentRow;
			}
			int maxContentCol = 0;
			bool flag7 = flag3 && num2 > (maxContentCol = this.MaxContentCol);
			if (flag7)
			{
				num2 = maxContentCol;
			}
			StyleParentKind styleParentKind = StyleParentKind.Own;
			bool flag8 = flag4;
			if (flag8)
			{
				StyleUtility.CopyStyle(style, this.RootStyle);
				for (int i = 0; i < this.rows.Count; i++)
				{
					RowHeader rowHeader = this.rows[i];
					bool flag9 = rowHeader != null && rowHeader.InnerStyle != null;
					if (flag9)
					{
						StyleUtility.CopyStyle(style, rowHeader.InnerStyle);
					}
				}
				for (int j = 0; j < this.cols.Count; j++)
				{
					ColumnHeader columnHeader = this.cols[j];
					bool flag10 = columnHeader != null;
					if (flag10)
					{
						columnHeader.InnerStyle = null;
					}
				}
				styleParentKind = StyleParentKind.Root;
			}
			else
			{
				bool flag11 = flag3;
				if (flag11)
				{
					for (int k = row; k <= num; k++)
					{
						RowHeader rowHeader2 = this.rows[k];
						bool flag12 = rowHeader2.InnerStyle == null;
						if (flag12)
						{
							rowHeader2.InnerStyle = StyleUtility.CreateMergedStyle(style, this.RootStyle);
						}
						else
						{
							StyleUtility.CopyStyle(style, rowHeader2.InnerStyle);
						}
					}
					styleParentKind = StyleParentKind.Row;
				}
				else
				{
					bool flag13 = flag2;
					if (flag13)
					{
						for (int l = col; l <= num2; l++)
						{
							ColumnHeader columnHeader2 = this.cols[l];
							bool flag14 = columnHeader2.InnerStyle == null;
							if (flag14)
							{
								columnHeader2.InnerStyle = StyleUtility.CreateMergedStyle(style, this.RootStyle);
							}
							else
							{
								StyleUtility.CopyStyle(style, columnHeader2.InnerStyle);
							}
						}
						styleParentKind = StyleParentKind.Col;
					}
				}
			}
			for (int m = row; m <= num; m++)
			{
				WorksheetRangeStyle worksheetRangeStyle = null;
				int n = col;
				while (n <= num2)
				{
					Cell cell = this.cells[m, n];
					WorksheetRangeStyle worksheetRangeStyle2 = null;
					bool flag15 = cell != null;
					if (flag15)
					{
						bool flag16 = cell.IsValidCell && ((!flag3 && !flag2) || (row <= cell.InternalRow && num >= cell.MergeEndPos.Row && col <= cell.InternalCol && num2 >= cell.MergeEndPos.Col));
						if (flag16)
						{
							bool flag17 = styleParentKind == StyleParentKind.Row;
							if (flag17)
							{
								bool flag18 = cell.StyleParentKind == StyleParentKind.Col;
								if (flag18)
								{
									this.SetCellStyle(cell, style, StyleParentKind.Own, null);
								}
								else
								{
									bool flag19 = worksheetRangeStyle == null;
									if (flag19)
									{
										worksheetRangeStyle = this.rows[m].InnerStyle;
									}
									this.SetCellStyle(cell, style, styleParentKind, worksheetRangeStyle);
								}
							}
							else
							{
								bool flag20 = styleParentKind == StyleParentKind.Col;
								if (flag20)
								{
									bool flag21 = worksheetRangeStyle2 == null;
									if (flag21)
									{
										worksheetRangeStyle2 = this.cols[n].InnerStyle;
									}
									this.SetCellStyle(cell, style, styleParentKind, worksheetRangeStyle2);
								}
								else
								{
									this.SetCellStyle(cell, style, styleParentKind, this.RootStyle);
								}
							}
						}
					}
					else
					{
						bool flag22 = flag5;
						if (flag22)
						{
							cell = this.CreateCell(m, n, false);
							this.SetCellStyle(cell, style, StyleParentKind.Own, null);
						}
						else
						{
							bool flag23 = flag4;
							if (!flag23)
							{
								bool flag24 = flag2;
								if (flag24)
								{
									bool flag25 = worksheetRangeStyle == null;
									if (flag25)
									{
										worksheetRangeStyle = this.rows[m].InnerStyle;
									}
									bool flag26 = worksheetRangeStyle != null;
									if (flag26)
									{
										this.SetCellStyle(this.CreateCell(m, n, false), style, StyleParentKind.Own, null);
									}
								}
							}
						}
					}
					IL_439:
					n++;
					continue;
					goto IL_439;
				}
			}
			bool flag27 = this.RangeStyleChanged != null;
			if (flag27)
			{
				this.RangeStyleChanged(this, new RangeEventArgs(range2));
			}
			this.RequestInvalidate();
		}

		internal void SetCellStyleOwn(Cell cell, WorksheetRangeStyle style)
		{
			this.SetCellStyle(cell, style, StyleParentKind.Own, null);
		}

		internal void SetCellStyleOwn(CellPosition pos, WorksheetRangeStyle style)
		{
			this.SetCellStyleOwn(pos.Row, pos.Col, style);
		}

		internal void SetCellStyleOwn(int row, int col, WorksheetRangeStyle style)
		{
			this.SetCellStyle(this.CreateAndGetCell(row, col), style, StyleParentKind.Own, null);
		}

		private void SetCellStyle(Cell cell, WorksheetRangeStyle style, StyleParentKind parentKind, WorksheetRangeStyle parentStyle = null)
		{
			bool flag = cell.Rowspan == 0 || cell.Colspan == 0;
			if (!flag)
			{
				bool flag2 = cell.StyleParentKind == StyleParentKind.Own || parentKind == StyleParentKind.Own;
				if (flag2)
				{
					bool flag3 = cell.StyleParentKind != StyleParentKind.Own;
					if (flag3)
					{
						cell.CreateOwnStyle();
					}
					StyleUtility.CopyStyle(style, cell.InnerStyle);
					bool flag4 = (cell.InnerStyle.Flag & PlainStyleFlag.FillPattern) == PlainStyleFlag.FillPattern && cell.InnerStyle.FillPatternColor.ToArgb() == 0;
					if (flag4)
					{
						cell.InnerStyle.Flag &= (PlainStyleFlag)(-1572865L);
					}
					bool flag5 = (cell.InnerStyle.Flag & PlainStyleFlag.BackColor) == PlainStyleFlag.BackColor && cell.InnerStyle.BackColor.ToArgb() == 0;
					if (flag5)
					{
						cell.InnerStyle.Flag &= (PlainStyleFlag)(-129L);
					}
				}
				else
				{
					cell.InnerStyle = ((parentStyle != null) ? parentStyle : style);
					cell.StyleParentKind = parentKind;
				}
				StyleUtility.UpdateCellRenderAlign(this, cell);
				bool flag6 = !string.IsNullOrEmpty(cell.DisplayText);
				if (flag6)
				{
					bool flag7 = style.Flag.HasAny(PlainStyleFlag.FontAll);
					if (flag7)
					{
						this.UpdateCellFont(cell, UpdateFontReason.FontChanged);
					}
					else
					{
						bool flag8 = style.Flag.HasAny((PlainStyleFlag)23093248L);
						if (flag8)
						{
							this.UpdateCellTextBounds(cell);
						}
						else
						{
							bool flag9 = style.Flag.Has(PlainStyleFlag.TextColor);
							if (flag9)
							{
								this.UpdateCellFont(cell, UpdateFontReason.TextColorChanged);
							}
						}
					}
				}
				bool flag10 = style.Flag.Has(PlainStyleFlag.Padding);
				if (flag10)
				{
					cell.UpdateContentBounds();
				}
				bool flag11 = cell.body != null && style.Flag.HasAny(PlainStyleFlag.AlignAll);
				if (flag11)
				{
					cell.body.OnBoundsChanged();
				}
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<RangeEventArgs> RangeStyleChanged;

		public void RemoveRangeStyles(string addressOrName, PlainStyleFlag flags)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			if (flag)
			{
				this.RemoveRangeStyles(new RangePosition(addressOrName), flags);
			}
			else
			{
				NamedRange refRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out refRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				this.RemoveRangeStyles(refRange, flags);
			}
		}

		public void RemoveRangeStyles(RangePosition range, PlainStyleFlag flags)
		{
			RangePosition rangePosition = this.FixRange(range);
			int row = rangePosition.Row;
			int col = rangePosition.Col;
			int endRow = rangePosition.EndRow;
			int endCol = rangePosition.EndCol;
			bool flag = rangePosition.Rows == this.rows.Count;
			bool flag2 = rangePosition.Cols == this.cols.Count;
			bool flag3 = flag2 && flag;
			bool flag4 = !flag && !flag2;
			bool flag5 = flag3;
			if (flag5)
			{
				this.RootStyle.Flag &= ~flags;
				for (int i = 0; i < this.rows.Count; i++)
				{
					WorksheetRangeStyle innerStyle = this.rows[i].InnerStyle;
					bool flag6 = innerStyle != null;
					if (flag6)
					{
						innerStyle.Flag &= ~flags;
					}
				}
				for (int j = 0; j < this.cols.Count; j++)
				{
					WorksheetRangeStyle innerStyle2 = this.cols[j].InnerStyle;
					bool flag7 = innerStyle2 != null;
					if (flag7)
					{
						innerStyle2.Flag &= ~flags;
					}
				}
			}
			else
			{
				bool flag8 = flag2;
				if (flag8)
				{
					for (int k = row; k <= endRow; k++)
					{
						WorksheetRangeStyle innerStyle3 = this.rows[k].InnerStyle;
						bool flag9 = innerStyle3 != null;
						if (flag9)
						{
							innerStyle3.Flag &= ~flags;
						}
					}
				}
				else
				{
					bool flag10 = flag;
					if (flag10)
					{
						for (int l = col; l <= endCol; l++)
						{
							WorksheetRangeStyle innerStyle4 = this.cols[l].InnerStyle;
							bool flag11 = innerStyle4 != null;
							if (flag11)
							{
								innerStyle4.Flag &= ~flags;
							}
						}
					}
				}
			}
			for (int m = row; m <= endRow; m++)
			{
				int n = col;
				while (n <= endCol)
				{
					Cell cell = this.cells[m, n];
					bool flag12 = cell == null;
					if (flag12)
					{
						n++;
					}
					else
					{
						bool flag13 = cell.Rowspan == 1 && cell.Colspan == 1;
						if (flag13)
						{
							this.RemoveCellStyle(cell, flags);
							n++;
						}
						else
						{
							bool flag14 = cell.IsStartMergedCell && row <= cell.MergeStartPos.Row && endRow >= cell.MergeEndPos.Row && col <= cell.MergeStartPos.Col && endCol >= cell.MergeEndPos.Col;
							if (flag14)
							{
								this.RemoveCellStyle(cell, flags);
								n += (int)cell.Colspan;
							}
							else
							{
								bool flag15 = !cell.MergeStartPos.IsEmpty;
								if (flag15)
								{
									n = cell.MergeEndPos.Col + 1;
								}
							}
						}
					}
				}
			}
			this.RequestInvalidate();
		}

		private void RemoveCellStyle(Cell cell, PlainStyleFlag flags)
		{
			StyleParentKind styleParentKind = cell.StyleParentKind;
			bool flag = styleParentKind == StyleParentKind.Root;
			if (flag)
			{
				PlainStyleFlag plainStyleFlag = StyleUtility.CheckDistinctStyle(this.RootStyle, Worksheet.DefaultStyle);
				bool flag2 = plainStyleFlag == PlainStyleFlag.None;
				if (flag2)
				{
					return;
				}
			}
			RowHeader rowHeader = this.rows[cell.Row];
			ColumnHeader columnHeader = this.cols[cell.Column];
			bool flag3 = rowHeader.InnerStyle != null;
			WorksheetRangeStyle worksheetRangeStyle;
			StyleParentKind styleParentKind2;
			if (flag3)
			{
				worksheetRangeStyle = rowHeader.InnerStyle;
				styleParentKind2 = StyleParentKind.Row;
			}
			else
			{
				bool flag4 = columnHeader.InnerStyle != null;
				if (flag4)
				{
					worksheetRangeStyle = columnHeader.InnerStyle;
					styleParentKind2 = StyleParentKind.Col;
				}
				else
				{
					worksheetRangeStyle = this.RootStyle;
					styleParentKind2 = StyleParentKind.Root;
				}
			}
			bool flag5 = styleParentKind != StyleParentKind.Own;
			if (flag5)
			{
				cell.InnerStyle = new WorksheetRangeStyle(worksheetRangeStyle);
				cell.InnerStyle.Flag &= ~flags;
			}
			else
			{
				cell.InnerStyle.Flag &= ~flags;
				bool flag6 = cell.InnerStyle.Flag == PlainStyleFlag.None;
				if (flag6)
				{
					cell.InnerStyle = worksheetRangeStyle;
					cell.StyleParentKind = styleParentKind2;
					return;
				}
				bool flag7 = (flags & PlainStyleFlag.BackColor) == PlainStyleFlag.BackColor;
				if (flag7)
				{
					cell.InnerStyle.BackColor = Color.Transparent;
				}
			}
			StyleParentKind styleParentKind3 = styleParentKind;
			StyleParentKind styleParentKind4 = styleParentKind3;
			if (styleParentKind4 != StyleParentKind.Row)
			{
				worksheetRangeStyle = this.RootStyle;
			}
			else
			{
				bool flag8 = columnHeader.InnerStyle != null;
				if (flag8)
				{
					worksheetRangeStyle = columnHeader.InnerStyle;
				}
				else
				{
					worksheetRangeStyle = this.RootStyle;
				}
			}
			PlainStyleFlag plainStyleFlag2 = flags & worksheetRangeStyle.Flag;
			bool flag9 = plainStyleFlag2 > PlainStyleFlag.None;
			if (flag9)
			{
				StyleUtility.CopyStyle(worksheetRangeStyle, cell.InnerStyle, plainStyleFlag2);
			}
			cell.StyleParentKind = StyleParentKind.Own;
			bool flag10 = (flags & (PlainStyleFlag)2097215L) > PlainStyleFlag.None;
			if (flag10)
			{
				cell.FontDirty = true;
			}
		}

		public WorksheetRangeStyle GetRangeStyles(RangePosition range)
		{
			RangePosition rangePosition = this.FixRange(range);
			return this.GetCellStyles(range.StartPos);
		}

		internal object GetRangeStyle(int row, int col, int rows, int cols, PlainStyleFlag flag)
		{
			return this.GetCellStyleItem(row, col, flag);
		}

		public WorksheetRangeStyle GetCellStyles(string address)
		{
			bool flag = !CellPosition.IsValidAddress(address);
			if (flag)
			{
				throw new InvalidAddressException(address);
			}
			return this.GetCellStyles(new CellPosition(address));
		}

		public WorksheetRangeStyle GetCellStyles(CellPosition pos)
		{
			return this.GetCellStyles(pos.Row, pos.Col);
		}

		public WorksheetRangeStyle GetCellStyles(int row, int col)
		{
			Cell cell = this.cells[row, col];
			StyleParentKind styleParentKind = StyleParentKind.Own;
			bool flag = cell == null;
			WorksheetRangeStyle result;
			if (flag)
			{
				result = StyleUtility.FindCellParentStyle(this, row, col, out styleParentKind);
			}
			else
			{
				result = new WorksheetRangeStyle(cell.InnerStyle);
			}
			return result;
		}

		public object GetCellStyleItem(int row, int col, PlainStyleFlag flag)
		{
			Cell cell = this.cells[row, col];
			StyleParentKind styleParentKind = StyleParentKind.Own;
			WorksheetRangeStyle style = (cell == null) ? StyleUtility.FindCellParentStyle(this, row, col, out styleParentKind) : cell.InnerStyle;
			return StyleUtility.GetStyleItem(style, flag);
		}

		private void UpdateCellBounds(Cell cell)
		{
			Debug.Assert(cell.Rowspan >= 1 && cell.Colspan >= 1);
			cell.Bounds = this.GetRangeBounds(cell.InternalRow, cell.InternalCol, (int)cell.Rowspan, (int)cell.Colspan);
			this.UpdateCellTextBounds(cell);
			cell.UpdateContentBounds();
		}

		internal void UpdateCellFont(Cell cell, UpdateFontReason reason = UpdateFontReason.FontChanged)
		{
			this.UpdateCellRenderFont(null, cell, DrawMode.View, reason);
		}

		internal void UpdateCellRenderFont(IRenderer ir, Cell cell, DrawMode drawMode, UpdateFontReason reason)
		{
			bool flag = this.controlAdapter == null || cell.InnerStyle == null;
			if (!flag)
			{
				bool flag2 = string.IsNullOrEmpty(cell.InnerDisplay);
				if (!flag2)
				{
					bool flag3 = !(cell.Data is RichText);
					if (flag3)
					{
						bool flag4 = ir == null;
						if (flag4)
						{
							ir = this.controlAdapter.Renderer;
						}
						ir.UpdateCellRenderFont(cell, reason);
					}
					cell.FontDirty = false;
					this.UpdateCellTextBounds(ir, cell, drawMode, reason);
				}
			}
		}

		internal void UpdateCellTextBounds(Cell cell)
		{
			bool fontDirty = cell.FontDirty;
			if (fontDirty)
			{
				this.UpdateCellFont(cell, UpdateFontReason.FontChanged);
			}
			else
			{
				this.UpdateCellTextBounds(null, cell, DrawMode.View, UpdateFontReason.FontChanged);
			}
		}

		internal void UpdateCellTextBounds(IRenderer ig, Cell cell, DrawMode drawMode, UpdateFontReason reason)
		{
			this.UpdateCellTextBounds(ig, cell, drawMode, this.renderScaleFactor, reason);
		}

		internal void UpdateCellTextBounds(IRenderer ig, Cell cell, DrawMode drawMode, float scaleFactor, UpdateFontReason reason)
		{
			bool flag = cell == null || string.IsNullOrEmpty(cell.DisplayText);
			if (!flag)
			{
				bool flag2 = ig == null && this.controlAdapter != null;
				if (flag2)
				{
					ig = this.controlAdapter.Renderer;
				}
				bool flag3 = ig == null;
				if (!flag3)
				{
					bool flag4 = cell.Data is RichText;
					if (flag4)
					{
						RichText richText = (RichText)cell.Data;
						Size size = richText.TextSize;
						richText.TextWrap = cell.InnerStyle.TextWrapMode;
						richText.DefaultHorizontalAlignment = cell.Style.HAlign;
						richText.VerticalAlignment = cell.Style.VAlign;
						RichText richText2 = richText;
						float num = cell.Width - (float)cell.InnerStyle.Indent;
						float height = cell.Height;
						richText2.Size = new Size(ref num, ref height);
						Size size2 = richText.TextSize;
					}
					else
					{
						Size size = cell.TextBounds.Size;
						Size size2 = ig.MeasureCellText(cell, drawMode, scaleFactor);
						bool flag5 = size2.Width <= 0f || size2.Height <= 0f;
						if (!flag5)
						{
							size2.Width += 2f;
							size2.Height += 1f;
							Rect bounds = cell.Bounds;
							float num2 = bounds.Width * scaleFactor;
							bool flag6 = cell.InnerStyle.HAlign == ReoGridHorAlign.DistributedIndent;
							if (flag6)
							{
								float num = size2.Width;
								size2.Width = num - 1f;
								bool flag7 = drawMode == DrawMode.View;
								if (flag7)
								{
									cell.DistributedIndentSpacing = (num2 - size2.Width - 3f) / (float)(cell.DisplayText.Length - 1) - 1f;
									bool flag8 = cell.DistributedIndentSpacing < 0f;
									if (flag8)
									{
										cell.DistributedIndentSpacing = 0f;
									}
								}
								else
								{
									cell.DistributedIndentSpacingPrint = (num2 - size2.Width - 3f) / (float)(cell.DisplayText.Length - 1) - 1f;
									bool flag9 = cell.DistributedIndentSpacingPrint < 0f;
									if (flag9)
									{
										cell.DistributedIndentSpacingPrint = 0f;
									}
								}
								cell.RenderHorAlign = ReoGridRenderHorAlign.Center;
								bool flag10 = size2.Width < num2 - 1f;
								if (flag10)
								{
									size2.Width = (float)Math.Round((double)(num2 - 1f));
								}
							}
							float num3 = 0f;
							float num4 = 0f;
							float num5 = (float)cell.InnerStyle.Indent;
							switch (cell.RenderHorAlign)
							{
							default:
								num3 = bounds.Left * scaleFactor + 2f + num5 * this.indentSize;
								break;
							case ReoGridRenderHorAlign.Center:
								num3 = bounds.Left * scaleFactor + num2 / 2f - size2.Width / 2f;
								break;
							case ReoGridRenderHorAlign.Right:
								num3 = bounds.Right * scaleFactor - 3f - size2.Width - num5 * this.indentSize;
								break;
							}
							switch (cell.InnerStyle.VAlign)
							{
							case ReoGridVerAlign.Top:
								num4 = bounds.Top * scaleFactor + 1f;
								goto IL_3AC;
							case ReoGridVerAlign.Middle:
								num4 = bounds.Top * scaleFactor + bounds.Height * scaleFactor / 2f - size2.Height / 2f;
								goto IL_3AC;
							}
							num4 = bounds.Bottom * scaleFactor - 1f - size2.Height;
							IL_3AC:
							if (drawMode == DrawMode.View || drawMode - DrawMode.Preview > 1)
							{
								float num = size2.Width;
								float height = size2.Height;
								cell.TextBounds = new Rect(ref num3, ref num4, ref num, ref height);
							}
							else
							{
								float num = size2.Width;
								float height = size2.Height;
								cell.PrintTextBounds = new Rect(ref num3, ref num4, ref num, ref height);
							}
							bool flag11 = drawMode == DrawMode.View && reason != UpdateFontReason.ScaleChanged;
							if (flag11)
							{
								bool flag12 = size2.Height > size.Height && this.settings.Has(WorksheetSettings.Edit_AutoExpandRowHeight);
								if (flag12)
								{
									RowHeader rowHeader = this.rows[cell.Row];
									bool flag13 = rowHeader.IsVisible && rowHeader.IsAutoHeight;
									if (flag13)
									{
										cell.ExpandRowHeight();
									}
								}
								bool flag14 = size2.Width > size.Width && this.settings.Has(WorksheetSettings.Edit_AutoExpandColumnWidth);
								if (flag14)
								{
									ColumnHeader columnHeader = this.cols[cell.Column];
									bool flag15 = columnHeader.IsVisible && columnHeader.IsAutoWidth;
									if (flag15)
									{
										cell.ExpandColumnWidth();
									}
								}
							}
						}
					}
				}
			}
		}

		public void StepRangeFont(RangePosition range, Func<float, float> stepHandler)
		{
			RangePosition range2 = this.FixRange(range);
			bool enableAdjustRowHeight = this.settings.Has(WorksheetSettings.Edit_AutoExpandRowHeight | WorksheetSettings.Edit_AllowAdjustRowHeight);
			RowHeader rowHeader = null;
			this.IterateCells(range2, delegate(int r, int c, Cell cell)
			{
				cell.CreateOwnStyle();
				float num = stepHandler(cell.InnerStyle.FontSize);
				bool flag = enableAdjustRowHeight && num > cell.InnerStyle.FontSize;
				if (flag)
				{
					cell.InnerStyle.FontSize = num;
					bool flag2 = rowHeader == null || rowHeader.Index != r;
					if (flag2)
					{
						rowHeader = this.rows[r];
						bool isAutoHeight = rowHeader.IsAutoHeight;
						if (isAutoHeight)
						{
							cell.ExpandRowHeight();
						}
					}
				}
				else
				{
					cell.InnerStyle.FontSize = num;
				}
				cell.FontDirty = true;
				return true;
			});
			this.RequestInvalidate();
		}

		internal WorksheetRangeStyle RootStyle { get; set; }

		public void SuspendUIUpdates()
		{
			this.suspendingUIUpdates = true;
		}

		public void ResumeUIUpdates()
		{
			bool flag = this.suspendingUIUpdates;
			if (flag)
			{
				this.suspendingUIUpdates = false;
				this.RequestInvalidate();
			}
		}

		public bool IsUIUpdatesSuspending
		{
			get
			{
				return this.suspendingUIUpdates;
			}
		}

		internal IViewportController ViewportController
		{
			get
			{
				return this.viewportController;
			}
			set
			{
				this.viewportController = value;
			}
		}

		internal void UpdateViewportController()
		{
			bool flag = this.suspendingUIUpdates;
			if (!flag)
			{
				Stopwatch stopwatch = Stopwatch.StartNew();
				this.AutoAdjustRowHeaderPanelWidth();
				bool flag2 = this.viewportController != null;
				if (flag2)
				{
					this.viewportController.UpdateController();
					bool isFrozen = this.IsFrozen;
					if (isFrozen)
					{
						this.FreezeToCell(this.FreezePos, this.FreezeArea);
					}
				}
				bool flag3 = this.HasSettings(WorksheetSettings.View_ShowPageBreaks) && this.rows.Count > 0 && this.cols.Count > 0;
				if (flag3)
				{
					this.AutoSplitPage();
				}
				stopwatch.Stop();
				long elapsedMilliseconds = stopwatch.ElapsedMilliseconds;
				bool flag4 = elapsedMilliseconds > 15L;
				if (flag4)
				{
					Debug.WriteLine("updating viewport controller takes " + stopwatch.ElapsedMilliseconds.ToString() + " ms.");
				}
			}
		}

		internal void UpdateViewportControllBounds()
		{
			bool flag = this.viewportController != null && this.controlAdapter != null;
			if (flag)
			{
				this.viewportController.Bounds = this.controlAdapter.GetContainerBounds();
				this.viewportController.UpdateController();
			}
		}

		public void RequestInvalidate()
		{
			bool flag = !this.viewDirty && !this.suspendingUIUpdates;
			if (flag)
			{
				this.viewDirty = true;
				bool flag2 = this.controlAdapter != null;
				if (flag2)
				{
					this.controlAdapter.Invalidate();
				}
			}
		}

		public ReoGridViewMode ViewMode { get; set; }

		public bool StartEdit()
		{
			return !this.selStart.IsEmpty && this.StartEdit(this.focusPos);
		}

		public bool StartEdit(string newText)
		{
			return !this.selStart.IsEmpty && this.StartEdit(this.focusPos, newText);
		}

		public bool StartEdit(CellPosition pos)
		{
			return this.StartEdit(pos.Row, pos.Col);
		}

		public bool StartEdit(CellPosition pos, string newText)
		{
			return this.StartEdit(pos.Row, pos.Col, newText);
		}

		public bool StartEdit(int row, int col)
		{
			bool flag = row < 0 || col < 0 || row >= this.rows.Count || col >= this.cols.Count;
			bool result;
			if (flag)
			{
				result = false;
			}
			else
			{
				bool flag2 = !this.IsValidCell(row, col);
				if (flag2)
				{
					Cell mergedCellOfRange = this.GetMergedCellOfRange(row, col);
					result = this.StartEdit(mergedCellOfRange);
				}
				else
				{
					result = this.StartEdit(this.CreateAndGetCell(row, col));
				}
			}
			return result;
		}

		public bool StartEdit(int row, int col, string newText)
		{
			bool flag = row < 0 || col < 0 || row >= this.cells.RowCapacity || col >= this.cells.ColCapacity;
			bool result;
			if (flag)
			{
				result = false;
			}
			else
			{
				bool flag2 = !this.IsValidCell(row, col);
				if (flag2)
				{
					Cell mergedCellOfRange = this.GetMergedCellOfRange(row, col);
					result = this.StartEdit(mergedCellOfRange, newText);
				}
				else
				{
					result = this.StartEdit(this.CreateAndGetCell(row, col), newText);
				}
			}
			return result;
		}

		internal bool StartEdit(Cell cell)
		{
			return this.StartEdit(cell, null);
		}

		internal bool StartEdit(Cell cell, string newText)
		{
			bool flag = this.HasSettings(WorksheetSettings.Edit_Readonly) || cell == null || cell.IsReadOnly;
			bool result;
			if (flag)
			{
				result = false;
			}
			else
			{
				bool flag2 = this.focusPos != cell.Position;
				if (flag2)
				{
					this.FocusPos = cell.Position;
				}
				else
				{
					this.ScrollToCell(cell);
				}
				bool flag3 = newText == null;
				string text;
				if (flag3)
				{
					bool flag4 = !string.IsNullOrEmpty(cell.InnerFormula);
					if (flag4)
					{
						text = "=" + cell.InnerFormula;
					}
					else
					{
						bool flag5 = cell.InnerData is string;
						if (flag5)
						{
							text = (string)cell.InnerData;
						}
						else
						{
							bool flag6 = cell.InnerData is RichText;
							if (flag6)
							{
								text = ((RichText)cell.InnerData).ToString();
							}
							else
							{
								text = Convert.ToString(cell.InnerData);
							}
						}
					}
					this.backupData = text;
				}
				else
				{
					text = newText;
					this.backupData = cell.DisplayText;
				}
				bool flag7 = cell.DataFormat == CellDataFormatFlag.Percent && this.HasSettings(WorksheetSettings.Edit_FriendlyPercentInput);
				if (flag7)
				{
					double num;
					bool flag8 = double.TryParse(text, out num);
					if (flag8)
					{
						text = ((newText == null) ? (num * 100.0) : num).ToString() + "%";
					}
				}
				bool flag9 = this.BeforeCellEdit != null;
				if (flag9)
				{
					CellBeforeEditEventArgs cellBeforeEditEventArgs = new CellBeforeEditEventArgs(cell)
					{
						EditText = text
					};
					this.BeforeCellEdit(this, cellBeforeEditEventArgs);
					bool isCancelled = cellBeforeEditEventArgs.IsCancelled;
					if (isCancelled)
					{
						return false;
					}
					text = cellBeforeEditEventArgs.EditText;
				}
				bool flag10 = cell.body != null;
				if (flag10)
				{
					bool flag11 = cell.body.OnStartEdit();
					bool flag12 = !flag11;
					if (flag12)
					{
						return false;
					}
				}
				bool flag13 = this.currentEditingCell != null;
				if (flag13)
				{
					this.EndEdit(this.controlAdapter.GetEditControlText());
				}
				this.currentEditingCell = cell;
				this.controlAdapter.SetEditControlText(text);
				bool flag14 = cell.DataFormat == CellDataFormatFlag.Percent && text.EndsWith("%");
				if (flag14)
				{
					this.controlAdapter.SetEditControlCaretPos(text.Length - 1);
				}
				float num2 = (cell.Width - 1f) * this.renderScaleFactor;
				int num3 = 0;
				bool flag15 = num2 < cell.TextBounds.Width;
				if (flag15)
				{
					num2 = cell.TextBounds.Width + 6f;
				}
				num2 -= 1f;
				float num4 = this.renderScaleFactor;
				float num5;
				switch (cell.RenderHorAlign)
				{
				default:
					this.controlAdapter.SetEditControlAlignment(ReoGridHorAlign.Left);
					num5 = cell.Left * num4 + 1f + (float)num3;
					break;
				case ReoGridRenderHorAlign.Center:
					this.controlAdapter.SetEditControlAlignment(ReoGridHorAlign.Center);
					num5 = cell.Left * num4 + ((cell.Width - 1f) * num4 - 1f - num2) / 2f + 1f;
					break;
				case ReoGridRenderHorAlign.Right:
					this.controlAdapter.SetEditControlAlignment(ReoGridHorAlign.Right);
					num5 = (cell.Right - 1f) * num4 - num2 - (float)num3;
					break;
				}
				bool flag16 = cell.InnerStyle.HAlign == ReoGridHorAlign.DistributedIndent;
				if (flag16)
				{
					this.controlAdapter.SetEditControlAlignment(ReoGridHorAlign.Center);
				}
				float num6 = cell.Top * num4 + 1f;
				IViewport viewport = this.viewportController.FocusView as IViewport;
				int num7 = (int)Math.Round((double)(num5 + this.viewportController.FocusView.Left - ((viewport == null) ? 0f : (viewport.ScrollViewLeft * num4))));
				int num8 = (int)Math.Round((double)(num6 + this.viewportController.FocusView.Top - ((viewport == null) ? 0f : (viewport.ScrollViewTop * num4))));
				float num9 = (cell.Height - 1f) * num4 - 1f;
				bool flag17 = !cell.IsMergedCell && cell.InnerStyle.TextWrapMode > TextWrapMode.NoWrap;
				if (flag17)
				{
					bool flag18 = num9 < cell.TextBounds.Height;
					if (flag18)
					{
						num9 = cell.TextBounds.Height;
					}
				}
				int num10 = 0;
				bool flag19 = num10 > 0;
				if (flag19)
				{
					switch (cell.InnerStyle.VAlign)
					{
					case ReoGridVerAlign.Top:
						goto IL_498;
					case ReoGridVerAlign.Bottom:
						num8 -= num10;
						goto IL_498;
					}
					num8 -= num10 / 2;
					IL_498:;
				}
				float num11 = (float)num7;
				float num12 = (float)num8;
				Rect bounds = new Rect(ref num11, ref num12, ref num2, ref num9);
				this.controlAdapter.ShowEditControl(bounds, cell);
				result = true;
			}
			return result;
		}

		public bool IsEditing
		{
			get
			{
				return this.currentEditingCell != null;
			}
		}

		public Cell EditingCell
		{
			get
			{
				return this.currentEditingCell;
			}
		}

		public bool EndEdit(EndEditReason reason)
		{
			return this.EndEdit((reason == EndEditReason.NormalFinish) ? this.controlAdapter.GetEditControlText() : null, reason);
		}

		public bool EndEdit(object data)
		{
			return this.EndEdit(data, EndEditReason.NormalFinish);
		}

		public bool EndEdit(object data, EndEditReason reason)
		{
			bool flag = this.currentEditingCell == null || this.endEditProcessing;
			bool result;
			if (flag)
			{
				result = false;
			}
			else
			{
				this.endEditProcessing = true;
				bool flag2 = data == null;
				if (flag2)
				{
					data = this.controlAdapter.GetEditControlText();
				}
				bool flag3 = this.AfterCellEdit != null;
				if (flag3)
				{
					CellAfterEditEventArgs cellAfterEditEventArgs = new CellAfterEditEventArgs(this.currentEditingCell)
					{
						EndReason = reason,
						NewData = data
					};
					this.AfterCellEdit(this, cellAfterEditEventArgs);
					data = cellAfterEditEventArgs.NewData;
					reason = cellAfterEditEventArgs.EndReason;
				}
				EndEditReason endEditReason = reason;
				EndEditReason endEditReason2 = endEditReason;
				if (endEditReason2 != EndEditReason.NormalFinish)
				{
					if (endEditReason2 != EndEditReason.Cancel)
					{
					}
				}
				else
				{
					bool flag4 = data is string;
					if (flag4)
					{
						string text = (string)data;
						bool flag5 = string.IsNullOrEmpty(text);
						if (flag5)
						{
							data = null;
						}
						else
						{
							switch (this.currentEditingCell.DataFormat)
							{
							case CellDataFormatFlag.Number:
							case CellDataFormatFlag.Currency:
							{
								double num;
								bool flag6 = double.TryParse(text, out num);
								if (flag6)
								{
									data = num;
								}
								break;
							}
							case CellDataFormatFlag.DateTime:
							{
								DateTime dateTime;
								bool flag7 = DateTime.TryParse(text, out dateTime);
								if (flag7)
								{
									data = dateTime;
								}
								break;
							}
							case CellDataFormatFlag.Percent:
							{
								bool flag8 = text.EndsWith("%");
								if (flag8)
								{
									double num2;
									bool flag9 = double.TryParse(text.Substring(0, text.Length - 1), out num2);
									if (flag9)
									{
										data = num2 / 100.0;
									}
								}
								else
								{
									bool flag10 = text == "%";
									if (flag10)
									{
										data = null;
									}
								}
								break;
							}
							}
						}
					}
					bool flag11 = string.IsNullOrEmpty(this.backupData);
					if (flag11)
					{
						this.backupData = null;
					}
					ICellBody body = this.currentEditingCell.body;
					bool flag12 = body != null;
					if (flag12)
					{
						data = body.OnEndEdit(data);
					}
					bool flag13 = !object.Equals(data, this.backupData);
					if (flag13)
					{
						this.DoAction(new SetCellDataAction(this.currentEditingCell.InternalRow, this.currentEditingCell.InternalCol, data));
					}
				}
				this.controlAdapter.HideEditControl();
				this.controlAdapter.Focus();
				this.currentEditingCell = null;
				this.endEditProcessing = false;
				result = true;
			}
			return result;
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<CellBeforeEditEventArgs> BeforeCellEdit;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<CellAfterEditEventArgs> AfterCellEdit;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<CellEditTextChangingEventArgs> CellEditTextChanging;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<CellEditCharInputEventArgs> CellEditCharInputed;

		internal string RaiseCellEditTextChanging(string text)
		{
			bool flag = this.CellEditTextChanging == null;
			string result;
			if (flag)
			{
				result = text;
			}
			else
			{
				CellEditTextChangingEventArgs cellEditTextChangingEventArgs = new CellEditTextChangingEventArgs(this.currentEditingCell)
				{
					Text = text
				};
				this.CellEditTextChanging(this, cellEditTextChangingEventArgs);
				result = cellEditTextChangingEventArgs.Text;
			}
			return result;
		}

		internal int RaiseCellEditCharInputed(int @char)
		{
			bool flag = this.CellEditCharInputed == null;
			int result;
			if (flag)
			{
				result = @char;
			}
			else
			{
				CellEditCharInputEventArgs cellEditCharInputEventArgs = new CellEditCharInputEventArgs(this.currentEditingCell, (this.currentEditingCell != null) ? this.controlAdapter.GetEditControlText() : null, @char, this.controlAdapter.GetEditControlCaretPos());
				this.CellEditCharInputed(this, cellEditCharInputEventArgs);
				result = cellEditCharInputEventArgs.InputChar;
			}
			return result;
		}

		public string CellEditText
		{
			get
			{
				return this.controlAdapter.GetEditControlText();
			}
			set
			{
				this.controlAdapter.SetEditControlText(value);
			}
		}

		private void InitGrid()
		{
			this.InitGrid(200, 100);
		}

		private void InitGrid(int rows, int cols)
		{
			Stopwatch stopwatch = Stopwatch.StartNew();
			Debug.WriteLine("start creating worksheet...");
			this.colHeaderHeight = MeasureToolkit.ScaleByDPI<ushort>(this.colHeaderHeight);
			this.rowHeaderWidth = MeasureToolkit.ScaleByDPI<ushort>(this.rowHeaderWidth);
			this.defaultRowHeight = MeasureToolkit.ScaleByDPI<ushort>(this.defaultRowHeight);
			this.defaultColumnWidth = MeasureToolkit.ScaleByDPI<ushort>(this.defaultColumnWidth);
			this.SuspendUIUpdates();
			this.Resize(rows, cols);
			bool flag = this.controlAdapter != null;
			if (flag)
			{
				this.renderScaleFactor = this._scaleFactor + this.controlAdapter.BaseScale;
				IScalableViewportController scalableViewportController = this.viewportController as IScalableViewportController;
				bool flag2 = scalableViewportController != null;
				if (flag2)
				{
					scalableViewportController.ScaleFactor = this.renderScaleFactor;
				}
			}
			this.RootStyle = new WorksheetRangeStyle(Worksheet.DefaultStyle);
			this.settings = WorksheetSettings.Default;
			this.selectionRange = new RangePosition(0, 0, 1, 1);
			bool flag3 = this.printSettings != null;
			if (flag3)
			{
				this.printSettings = null;
			}
			this.drawingCanvas = new WorksheetDrawingCanvas(this);
			this.ResumeUIUpdates();
			bool flag4 = this.viewportController != null;
			if (flag4)
			{
				this.viewportController.Reset();
			}
			stopwatch.Stop();
			long elapsedMilliseconds = stopwatch.ElapsedMilliseconds;
			bool flag5 = elapsedMilliseconds > 10L;
			if (flag5)
			{
				Debug.WriteLine("creating worksheet done: " + elapsedMilliseconds.ToString() + " ms.");
			}
		}

		internal void Clear()
		{
			this.EndEdit(EndEditReason.Cancel);
			this.endEditProcessing = false;
			bool flag = this.controlAdapter != null;
			if (flag)
			{
				IActionControl actionControl = this.controlAdapter.ControlInstance as IActionControl;
				bool flag2 = actionControl != null;
				if (flag2)
				{
					actionControl.ClearActionHistoryForWorksheet(this);
				}
			}
			bool flag3 = this.outlines != null;
			if (flag3)
			{
				this.ClearOutlines(RowOrColumn.Both);
			}
			this.registeredNamedRanges.Clear();
			bool flag4 = this.highlightRanges != null;
			if (flag4)
			{
				this.highlightRanges.Clear();
			}
			bool flag5 = this.pageBreakRows != null;
			if (flag5)
			{
				this.pageBreakRows.Clear();
			}
			bool flag6 = this.pageBreakCols != null;
			if (flag6)
			{
				this.pageBreakCols.Clear();
			}
			bool flag7 = this.userPageBreakRows != null;
			if (flag7)
			{
				this.userPageBreakRows.Clear();
			}
			bool flag8 = this.userPageBreakCols != null;
			if (flag8)
			{
				this.userPageBreakCols.Clear();
			}
			this.printableRange = RangePosition.Empty;
			this.printSettings = null;
			bool flag9 = this.drawingCanvas != null;
			if (flag9)
			{
				this.drawingCanvas.Children.Clear();
			}
			this.defaultColumnWidth = Worksheet.InitDefaultColumnWidth;
			this.defaultRowHeight = Worksheet.InitDefaultRowHeight;
			this.RootStyle = new WorksheetRangeStyle(Worksheet.DefaultStyle);
			this.FocusHighlightRange = null;
			this.operationStatus = OperationStatus.Default;
			this.settings = WorksheetSettings.Default;
			bool flag10 = this.SettingsChanged != null;
			if (flag10)
			{
				this.SettingsChanged(this, null);
			}
			this.formulaRanges.Clear();
			bool flag11 = this.traceDependentArrows != null;
			if (flag11)
			{
				this.traceDependentArrows.Clear();
			}
			CellPosition freezePos = this.FreezePos;
			bool flag12 = freezePos.Row > 0 || freezePos.Col > 0;
			if (flag12)
			{
				this.Unfreeze();
			}
			bool flag13 = this.viewportController != null;
			if (flag13)
			{
				this.viewportController.Reset();
			}
			this.cells = new Index4DArray<Cell>();
			this.hBorders = new Index4DArray<ReoGridHBorder>();
			this.vBorders = new Index4DArray<ReoGridVBorder>();
			this.rows.Clear();
			this.cols.Clear();
			this.maxRowHeader = -1;
			this.maxColumnHeader = -1;
			this.rangeHighlightColorCounter = 0;
		}

		public void Reset()
		{
			this.Reset(200, 100);
		}

		public void Reset(int rows, int cols)
		{
			this.EndEdit(EndEditReason.Cancel);
			this._scaleFactor = 1f;
			this.Clear();
			bool flag = this.controlAdapter != null;
			if (flag)
			{
				IActionControl actionControl = this.controlAdapter.ControlInstance as IActionControl;
				bool flag2 = actionControl != null;
				if (flag2)
				{
					actionControl.ClearActionHistoryForWorksheet(this);
				}
			}
			this.defaultRowHeight = Worksheet.InitDefaultRowHeight;
			this.defaultColumnWidth = Worksheet.InitDefaultColumnWidth;
			this.userRowHeaderWidth = false;
			this.settings = WorksheetSettings.View_Default;
			this.InitGrid(rows, cols);
			this.RequestInvalidate();
			bool flag3 = this.Resetted != null;
			if (flag3)
			{
				this.Resetted(this, null);
			}
		}

		internal int FindColIndexMiddle(float x)
		{
			return ArrayHelper.QuickFind(0, this.cols.Count, delegate(int i)
			{
				ColumnHeader columnHeader = this.cols[i];
				bool flag = x > (float)(columnHeader.Left + (int)(columnHeader.InnerWidth / 2));
				int result;
				if (flag)
				{
					result = 1;
				}
				else
				{
					bool flag2 = i > 0;
					if (flag2)
					{
						ColumnHeader columnHeader2 = this.cols[i - 1];
						bool flag3 = x < (float)(columnHeader2.Left + (int)(columnHeader2.InnerWidth / 2));
						if (flag3)
						{
							return -1;
						}
					}
					result = 0;
				}
				return result;
			});
		}

		internal int FindRowIndexMiddle(float x)
		{
			return ArrayHelper.QuickFind(0, this.rows.Count, delegate(int i)
			{
				RowHeader rowHeader = this.rows[i];
				bool flag = x > (float)(rowHeader.Top + (int)(rowHeader.InnerHeight / 2));
				int result;
				if (flag)
				{
					result = 1;
				}
				else
				{
					bool flag2 = i > 0;
					if (flag2)
					{
						RowHeader rowHeader2 = this.rows[i - 1];
						bool flag3 = x < (float)(rowHeader2.Top + (int)(rowHeader2.InnerHeight / 2));
						if (flag3)
						{
							return -1;
						}
					}
					result = 0;
				}
				return result;
			});
		}

		internal bool FindColumnByPosition(float x, out int col)
		{
			int num = -1;
			bool result = true;
			float num2 = 2f / this.renderScaleFactor;
			for (int i = 0; i < this.cols.Count; i++)
			{
				bool flag = x <= (float)this.cols[i].Right - num2;
				if (flag)
				{
					result = false;
					num = i;
					break;
				}
				bool flag2 = x <= (float)this.cols[i].Right + num2;
				if (flag2)
				{
					num = i;
					break;
				}
			}
			col = num;
			return result;
		}

		internal bool FindRowByPosition(float y, out int row)
		{
			int num = -1;
			bool result = true;
			float num2 = 2f / this.renderScaleFactor;
			for (int i = 0; i < this.rows.Count; i++)
			{
				bool flag = y <= (float)this.rows[i].Bottom - num2;
				if (flag)
				{
					result = false;
					num = i;
					break;
				}
				bool flag2 = y <= (float)this.rows[i].Bottom + num2;
				if (flag2)
				{
					num = i;
					break;
				}
			}
			row = num;
			return result;
		}

		internal Rect GetRangeBounds(int row, int col, int rows, int cols)
		{
			return this.GetRangePhysicsBounds(new RangePosition(row, col, rows, cols));
		}

		internal Rect GetRangeBounds(CellPosition startPos, CellPosition endPos)
		{
			return this.GetRangePhysicsBounds(new RangePosition(startPos, endPos));
		}

		public Rect GetRangePhysicsBounds(RangePosition range)
		{
			RangePosition rangePosition = this.FixRange(range);
			RowHeader rowHeader = this.rows[rangePosition.Row];
			ColumnHeader columnHeader = this.cols[rangePosition.Col];
			RowHeader rowHeader2 = this.rows[rangePosition.EndRow];
			ColumnHeader columnHeader2 = this.cols[rangePosition.EndCol];
			int num = columnHeader2.Right - columnHeader.Left;
			int num2 = rowHeader2.Bottom - rowHeader.Top;
			float num3 = (float)columnHeader.Left;
			float num4 = (float)rowHeader.Top;
			float num5 = (float)(num + 1);
			float num6 = (float)(num2 + 1);
			return new Rect(ref num3, ref num4, ref num5, ref num6);
		}

		public Point GetCellPhysicsPosition(int row, int col)
		{
			bool flag = row < 0 || row >= this.rows.Count || col < 0 || col >= this.cols.Count;
			if (flag)
			{
				throw new ArgumentException("row or col invalid");
			}
			int top = this.rows[row].Top;
			int left = this.cols[col].Left;
			float num = (float)left;
			float num2 = (float)top;
			return new Point(ref num, ref num2);
		}

		internal Rect GetScaledRangeBounds(RangePosition range)
		{
			RowHeader rowHeader = this.rows[range.Row];
			ColumnHeader columnHeader = this.cols[range.Col];
			RowHeader rowHeader2 = this.rows[range.EndRow];
			ColumnHeader columnHeader2 = this.cols[range.EndCol];
			float num = (float)(columnHeader2.Right - columnHeader.Left) * this.renderScaleFactor;
			float num2 = (float)(rowHeader2.Bottom - rowHeader.Top) * this.renderScaleFactor;
			float num3 = (float)columnHeader.Left * this.renderScaleFactor;
			float num4 = (float)rowHeader.Top * this.renderScaleFactor;
			return new Rect(ref num3, ref num4, ref num, ref num2);
		}

		internal Rect GetCellBounds(CellPosition pos)
		{
			return this.GetCellBounds(pos.Row, pos.Col);
		}

		internal Rect GetCellBounds(int row, int col)
		{
			bool flag = this.cells[row, col] == null;
			Rect result;
			if (flag)
			{
				result = this.GetCellRectFromHeader(row, col);
			}
			else
			{
				bool flag2 = this.cells[row, col].MergeStartPos != CellPosition.Empty;
				if (flag2)
				{
					Cell cell = this.GetCell(this.cells[row, col].MergeStartPos);
					result = ((cell != null) ? cell.Bounds : this.GetCellRectFromHeader(row, col));
				}
				else
				{
					result = this.cells[row, col].Bounds;
				}
			}
			return result;
		}

		private Rect GetCellRectFromHeader(int row, int col)
		{
			float num = (float)this.cols[col].Left;
			float num2 = (float)this.rows[row].Top;
			float num3 = (float)(this.cols[col].InnerWidth + 1);
			float num4 = (float)(this.rows[row].InnerHeight + 1);
			return new Rect(ref num, ref num2, ref num3, ref num4);
		}

		public CellPosition FocusPos
		{
			get
			{
				return this.focusPos;
			}
			set
			{
				bool flag = this.focusPos != value;
				if (flag)
				{
					CellPosition r = this.FixPos(value);
					bool flag2 = !r.IsEmpty;
					if (flag2)
					{
						Cell cell = this.cells[r.Row, r.Col];
						bool flag3 = cell != null;
						if (flag3)
						{
							bool flag4 = !cell.IsValidCell;
							if (flag4)
							{
								r = this.GetMergedCellOfRange(cell).InternalPos;
							}
						}
					}
					bool flag5 = this.focusPos != r;
					if (flag5)
					{
						bool flag6 = !this.focusPos.IsEmpty;
						if (flag6)
						{
							Cell cell2 = this.cells[this.focusPos.Row, this.focusPos.Col];
							bool flag7 = cell2 != null && cell2.body != null;
							if (flag7)
							{
								cell2.body.OnLostFocus();
							}
						}
						this.focusPos = r;
						bool flag8 = !this.focusPos.IsEmpty;
						if (flag8)
						{
							Cell cell3 = this.cells[this.focusPos.Row, this.focusPos.Col];
							bool flag9 = cell3 != null && cell3.body != null && cell3.IsValidCell;
							if (flag9)
							{
								cell3.body.OnGotFocus();
							}
							bool flag10 = !this.selectionRange.Contains(this.focusPos);
							if (flag10)
							{
								this.SelectRange(this.focusPos.Row, this.FocusPos.Col, 1, 1);
							}
						}
						this.RequestInvalidate();
						EventHandler<CellPosEventArgs> focusPosChanged = this.FocusPosChanged;
						if (focusPosChanged != null)
						{
							focusPosChanged(this, new CellPosEventArgs(this.focusPos));
						}
					}
				}
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<CellPosEventArgs> FocusPosChanged;

		public FocusPosStyle FocusPosStyle
		{
			get
			{
				return this.focusPosStyle;
			}
			set
			{
				bool flag = this.focusPosStyle != value;
				if (flag)
				{
					this.RequestInvalidate();
					this.focusPosStyle = value;
					EventHandler<EventArgs> focusPosStyleChanged = this.FocusPosStyleChanged;
					if (focusPosStyleChanged != null)
					{
						focusPosStyleChanged(this, null);
					}
				}
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<EventArgs> FocusPosStyleChanged;

		public CellPosition HoverPos
		{
			get
			{
				return this.hoverPos;
			}
			internal set
			{
				bool flag = this.hoverPos != value;
				if (flag)
				{
					bool flag2 = !this.hoverPos.IsEmpty;
					if (flag2)
					{
						CellMouseEventArgs cellMouseEventArgs = null;
						bool flag3 = this.CellMouseLeave != null;
						if (flag3)
						{
							cellMouseEventArgs = new CellMouseEventArgs(this, this.hoverPos);
							this.CellMouseLeave(this, cellMouseEventArgs);
						}
						Cell cell = this.cells[this.hoverPos.Row, this.hoverPos.Col];
						bool flag4 = cell != null;
						if (flag4)
						{
							bool flag5 = !cell.IsValidCell;
							if (flag5)
							{
								cell = this.GetMergedCellOfRange(cell);
							}
							bool flag6 = cell.body != null;
							if (flag6)
							{
								bool flag7 = cellMouseEventArgs == null;
								if (flag7)
								{
									cellMouseEventArgs = new CellMouseEventArgs(this, cell);
								}
								bool flag8 = cell.body.OnMouseLeave(cellMouseEventArgs);
								bool flag9 = flag8;
								if (flag9)
								{
									this.RequestInvalidate();
								}
							}
						}
					}
					this.hoverPos = value;
					bool flag10 = !this.hoverPos.IsEmpty;
					if (flag10)
					{
						CellMouseEventArgs cellMouseEventArgs2 = null;
						bool flag11 = this.CellMouseEnter != null;
						if (flag11)
						{
							cellMouseEventArgs2 = new CellMouseEventArgs(this, this.hoverPos);
							this.CellMouseEnter(this, cellMouseEventArgs2);
						}
						Cell cell2 = this.cells[this.hoverPos.Row, this.hoverPos.Col];
						bool flag12 = cell2 != null;
						if (flag12)
						{
							bool flag13 = !cell2.IsValidCell;
							if (flag13)
							{
								cell2 = this.GetMergedCellOfRange(cell2);
							}
							bool flag14 = cell2.body != null;
							if (flag14)
							{
								bool flag15 = cellMouseEventArgs2 == null;
								if (flag15)
								{
									cellMouseEventArgs2 = new CellMouseEventArgs(this, cell2);
									cellMouseEventArgs2.Cell = cell2;
								}
								bool flag16 = cell2.body.OnMouseEnter(cellMouseEventArgs2);
								bool flag17 = flag16;
								if (flag17)
								{
									this.RequestInvalidate();
								}
							}
						}
					}
					EventHandler<CellPosEventArgs> hoverPosChanged = this.HoverPosChanged;
					if (hoverPosChanged != null)
					{
						hoverPosChanged(this, new CellPosEventArgs(this.hoverPos));
					}
				}
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<CellPosEventArgs> HoverPosChanged;

		public RangePosition SelectionRange
		{
			get
			{
				return this.selectionRange;
			}
			set
			{
				this.SelectRange(value);
			}
		}

		[DefaultValue(WorksheetSelectionMode.Range)]
		public WorksheetSelectionMode SelectionMode
		{
			get
			{
				return this.selectionMode;
			}
			set
			{
				bool flag = this.selectionMode != value;
				if (flag)
				{
					bool isEditing = this.IsEditing;
					if (isEditing)
					{
						this.EndEdit(EndEditReason.NormalFinish);
					}
					WorksheetSelectionMode worksheetSelectionMode = this.selectionMode;
					this.selectionMode = value;
					WorksheetSelectionMode worksheetSelectionMode2 = worksheetSelectionMode;
					WorksheetSelectionMode worksheetSelectionMode3 = worksheetSelectionMode2;
					if (worksheetSelectionMode3 != WorksheetSelectionMode.None)
					{
						switch (value)
						{
						case WorksheetSelectionMode.None:
							this.selectionRange = RangePosition.Empty;
							this.focusPos = CellPosition.Empty;
							this.RequestInvalidate();
							break;
						case WorksheetSelectionMode.Cell:
							this.SelectRange(this.selStart.Row, this.selStart.Col, 1, 1);
							break;
						case WorksheetSelectionMode.Range:
							this.SelectionRange = this.FixRangeSelection(this.selectionRange);
							break;
						}
					}
					else if (value - WorksheetSelectionMode.Cell <= 1)
					{
						this.SelectRange(new RangePosition(0, 0, 1, 1));
					}
					switch (this.selectionMode)
					{
					case WorksheetSelectionMode.Row:
					case WorksheetSelectionMode.SingleRow:
						this.SelectRange(this.selectionRange.Row, 0, this.selectionRange.Rows, -1);
						break;
					case WorksheetSelectionMode.Column:
					case WorksheetSelectionMode.SingleColumn:
						this.SelectRange(0, this.selectionRange.Col, -1, this.selectionRange.Cols);
						break;
					}
					bool flag2 = this.SelectionModeChanged != null;
					if (flag2)
					{
						this.SelectionModeChanged(this, null);
					}
				}
			}
		}

		[DefaultValue(WorksheetSelectionStyle.Default)]
		public WorksheetSelectionStyle SelectionStyle
		{
			get
			{
				return this.selectionStyle;
			}
			set
			{
				bool flag = this.selectionStyle != value;
				if (flag)
				{
					this.selectionStyle = value;
					this.RequestInvalidate();
					EventHandler selectionStyleChanged = this.SelectionStyleChanged;
					if (selectionStyleChanged != null)
					{
						selectionStyleChanged(this, null);
					}
				}
			}
		}

		[DefaultValue(SelectionForwardDirection.Right)]
		public SelectionForwardDirection SelectionForwardDirection
		{
			get
			{
				return this.selectionForwardDirection;
			}
			set
			{
				bool flag = this.selectionForwardDirection != value;
				if (flag)
				{
					this.selectionForwardDirection = value;
					EventHandler selectionForwardDirectionChanged = this.SelectionForwardDirectionChanged;
					if (selectionForwardDirectionChanged != null)
					{
						selectionForwardDirectionChanged(this, null);
					}
				}
			}
		}

		internal void SelectRangeStartByMouse(Point location, InputModifiers modifiers)
		{
			bool flag = this.viewportController == null || this.viewportController.View == null;
			if (!flag)
			{
				bool flag2 = !modifiers.HasFlag(InputModifiers.Shift);
				if (flag2)
				{
					IRangeSelectableView rangeSelectableView = this.viewportController.View.GetViewByPoint(location) as IRangeSelectableView;
					bool flag3 = rangeSelectableView == null;
					if (flag3)
					{
						rangeSelectableView = (this.viewportController.FocusView as IRangeSelectableView);
					}
					bool flag4 = rangeSelectableView != null;
					if (flag4)
					{
						Point p = rangeSelectableView.PointToView(location);
						CellPosition posByPoint = CellsViewport.GetPosByPoint(rangeSelectableView, p);
						this.selEnd = (this.selStart = posByPoint);
					}
				}
				this.SelectRangeEndByMouse(location);
			}
		}

		internal void SelectRangeEndByMouse(Point location)
		{
			bool flag = this.viewportController == null || this.viewportController.View == null;
			if (!flag)
			{
				IRangeSelectableView rangeSelectableView = this.viewportController.View.GetViewByPoint(location) as IRangeSelectableView;
				bool flag2 = rangeSelectableView == null;
				if (flag2)
				{
					rangeSelectableView = (this.viewportController.FocusView as IRangeSelectableView);
				}
				bool flag3 = rangeSelectableView != null;
				if (flag3)
				{
					Point p = rangeSelectableView.PointToView(location);
					CellPosition start = this.selStart;
					CellPosition posByPoint = this.selEnd;
					OperationStatus operationStatus = this.operationStatus;
					OperationStatus operationStatus2 = operationStatus;
					if (operationStatus2 != OperationStatus.FullRowSelect)
					{
						if (operationStatus2 != OperationStatus.FullColumnSelect)
						{
							posByPoint = CellsViewport.GetPosByPoint(rangeSelectableView, p);
						}
						else
						{
							int num = -1;
							this.FindColumnByPosition(p.X, out num);
							bool flag4 = num > -1;
							if (flag4)
							{
								start = new CellPosition(0, start.Col);
								posByPoint = new CellPosition(this.rows.Count, num);
							}
						}
					}
					else
					{
						int num2 = -1;
						this.FindRowByPosition(p.Y, out num2);
						bool flag5 = num2 > -1;
						if (flag5)
						{
							start = new CellPosition(start.Row, 0);
							posByPoint = new CellPosition(num2, this.cols.Count);
						}
					}
					this.ApplyRangeSelection(start, posByPoint, true);
				}
			}
		}

		private RangePosition FixRangeSelection(RangePosition range)
		{
			bool isEmpty = range.IsEmpty;
			RangePosition result;
			if (isEmpty)
			{
				result = RangePosition.Empty;
			}
			else
			{
				Stopwatch stopwatch = Stopwatch.StartNew();
				RangePosition rangePosition = this.FixRange(range);
				int num = rangePosition.Row;
				int num2 = rangePosition.Col;
				int num3 = rangePosition.EndRow;
				int num4 = rangePosition.EndCol;
				switch (this.selectionMode)
				{
				case WorksheetSelectionMode.Cell:
					num = (num3 = range.Row);
					num2 = (num4 = range.Col);
					break;
				case WorksheetSelectionMode.Row:
					num2 = 0;
					num4 = this.cols.Count - 1;
					break;
				case WorksheetSelectionMode.Column:
					num = 0;
					num3 = this.rows.Count - 1;
					break;
				}
				bool flag = (this.selectionMode == WorksheetSelectionMode.Cell || this.selectionMode == WorksheetSelectionMode.Range) && ((rangePosition.Cols < this.cols.Count && rangePosition.Rows < this.rows.Count) || this.cols.Count == 1 || this.rows.Count == 1);
				if (flag)
				{
					RangePosition rangePosition2 = this.CheckMergedRange(new RangePosition(num, num2, num3 - num + 1, num4 - num2 + 1));
					num = rangePosition2.Row;
					num2 = rangePosition2.Col;
					num3 = rangePosition2.EndRow;
					num4 = rangePosition2.EndCol;
				}
				int num5 = num3 - num + 1;
				int num6 = num4 - num2 + 1;
				stopwatch.Stop();
				bool flag2 = stopwatch.ElapsedMilliseconds > 25L;
				if (flag2)
				{
					Debug.WriteLine("select range takes " + stopwatch.ElapsedMilliseconds.ToString() + " ms.");
				}
				result = new RangePosition(num, num2, num5, num6);
			}
			return result;
		}

		private void MoveRangeSelection(CellPosition start, CellPosition end, bool appendSelect, bool scrollToSelectionEnd = true)
		{
			bool flag = !appendSelect;
			if (flag)
			{
				start = end;
			}
			this.ApplyRangeSelection(start, end, scrollToSelectionEnd);
		}

		private void ApplyRangeSelection(CellPosition start, CellPosition end, bool scrollToSelectionEnd = true)
		{
			OperationStatus operationStatus = this.operationStatus;
			OperationStatus operationStatus2 = operationStatus;
			bool flag;
			if (operationStatus2 != OperationStatus.HighlightRangeCreate)
			{
				this.ChangeSelectionRange(start, end);
				flag = true;
			}
			else
			{
				RangePosition rangePosition = this.FixRangeSelection(new RangePosition(start, end));
				bool flag2 = this.focusHighlightRange == null;
				if (flag2)
				{
					HighlightRange highlightRange = this.AddHighlightRange(rangePosition);
					this.FocusHighlightRange = highlightRange;
				}
				else
				{
					bool flag3 = this.focusHighlightRange.Position != rangePosition;
					if (flag3)
					{
						this.focusHighlightRange.Position = rangePosition;
						this.RequestInvalidate();
					}
				}
				flag = true;
			}
			bool flag4 = flag;
			if (flag4)
			{
				bool flag5 = this.HasSettings(WorksheetSettings.Behavior_ScrollToFocusCell) && scrollToSelectionEnd;
				if (flag5)
				{
					bool flag6 = start.Row != 0 || start.Col != 0 || this.selEnd.Row != this.rows.Count - 1 || this.selEnd.Col != this.cols.Count - 1;
					if (flag6)
					{
						this.ScrollToCell(this.selEnd);
					}
				}
			}
		}

		private void ChangeSelectionRange(CellPosition start, CellPosition end)
		{
			RangePosition r = this.FixRangeSelection(new RangePosition(start, end));
			bool flag = this.selectionRange != r;
			if (flag)
			{
				bool flag2 = this.BeforeSelectionRangeChange != null;
				if (flag2)
				{
					BeforeSelectionChangeEventArgs beforeSelectionChangeEventArgs = new BeforeSelectionChangeEventArgs(start, end);
					this.BeforeSelectionRangeChange(this, beforeSelectionChangeEventArgs);
					bool isCancelled = beforeSelectionChangeEventArgs.IsCancelled;
					if (isCancelled)
					{
						return;
					}
					bool flag3 = start != beforeSelectionChangeEventArgs.SelectionStart || end != beforeSelectionChangeEventArgs.SelectionEnd;
					if (flag3)
					{
						start = beforeSelectionChangeEventArgs.SelectionStart;
						end = beforeSelectionChangeEventArgs.SelectionEnd;
						r = this.FixRangeSelection(new RangePosition(start, end));
					}
				}
				this.selectionRange = r;
				this.selStart = start;
				this.selEnd = end;
				bool flag4 = this.focusPos.IsEmpty || !r.Contains(this.focusPos) || !this.IsValidCell(this.focusPos);
				if (flag4)
				{
					CellPosition cellPosition = this.selStart;
					for (int i = r.Row; i <= r.EndRow; i++)
					{
						for (int j = r.Col; j <= r.EndCol; j++)
						{
							Cell cell = this.cells[i, j];
							bool flag5 = cell != null && (cell.Colspan <= 0 || cell.Rowspan <= 0);
							if (!flag5)
							{
								cellPosition.Row = i;
								cellPosition.Col = j;
								goto IL_191;
							}
						}
					}
					IL_191:
					bool flag6 = cellPosition.Col < this.cols.Count && cellPosition.Row < this.rows.Count;
					if (flag6)
					{
						this.FocusPos = cellPosition;
					}
				}
				this.focusReturnColumn = end.Col;
				bool flag7 = this.operationStatus == OperationStatus.RangeSelect;
				if (flag7)
				{
					EventHandler<RangeEventArgs> selectionRangeChanging = this.SelectionRangeChanging;
					if (selectionRangeChanging != null)
					{
						selectionRangeChanging(this, new RangeEventArgs(this.selectionRange));
					}
				}
				else
				{
					EventHandler<RangeEventArgs> selectionRangeChanged = this.SelectionRangeChanged;
					if (selectionRangeChanged != null)
					{
						selectionRangeChanged(this, new RangeEventArgs(this.selectionRange));
					}
				}
				this.RequestInvalidate();
			}
		}

		public void SelectRange(string address)
		{
			bool flag = RangePosition.IsValidAddress(address);
			if (flag)
			{
				this.SelectRange(new RangePosition(address));
			}
			else
			{
				bool flag2 = RGUtility.IsValidName(address);
				if (flag2)
				{
					NamedRange refRange;
					bool flag3 = this.registeredNamedRanges.TryGetValue(address, out refRange);
					if (flag3)
					{
						this.SelectRange(refRange);
					}
				}
			}
		}

		public void SelectRange(CellPosition pos1, CellPosition pos2)
		{
			this.SelectRange(new RangePosition(pos1, pos2));
		}

		public void SelectRange(int row, int col, int rows, int cols)
		{
			this.SelectRange(new RangePosition(row, col, rows, cols));
		}

		public void SelectRange(RangePosition range)
		{
			bool flag = range.IsEmpty || this.selectionMode == WorksheetSelectionMode.None;
			if (!flag)
			{
				range = this.FixRange(range);
				this.ApplyRangeSelection(range.StartPos, range.EndPos, false);
			}
		}

		public void SelectAll()
		{
			bool isEditing = this.IsEditing;
			if (isEditing)
			{
				this.controlAdapter.EditControlSelectAll();
			}
			else
			{
				this.SelectRange(new RangePosition(0, 0, this.RowCount, this.ColumnCount));
			}
		}

		public void SelectColumns(int col, int columns)
		{
			this.SelectRange(new RangePosition(0, col, this.rows.Count, columns));
		}

		public void SelectRows(int row, int rows)
		{
			this.SelectRange(new RangePosition(row, 0, rows, this.cols.Count));
		}

		private void OnTabKeyPressed(bool shiftKeyDown)
		{
			bool flag = this.selectionMode == WorksheetSelectionMode.None;
			if (!flag)
			{
				int num = this.focusReturnColumn;
				bool flag2 = !shiftKeyDown;
				if (flag2)
				{
					int num2 = (this.selectionRange.Cols > 1) ? this.selectionRange.EndCol : (this.cols.Count - 1);
					bool flag3 = this.focusPos.Col < num2;
					if (flag3)
					{
						this.MoveFocusRight(true);
					}
					else
					{
						int num3 = (this.selectionRange.Rows > 1) ? this.selectionRange.EndRow : (this.rows.Count - 1);
						bool flag4 = this.focusPos.Row < num3;
						if (flag4)
						{
							int col = (this.selectionRange.Cols > 1) ? this.selectionRange.Col : 0;
							this.focusPos.Col = col;
							this.MoveFocusDown(true);
						}
					}
				}
				else
				{
					int num4 = (this.selectionRange.Cols > 1) ? this.selectionRange.Col : 0;
					bool flag5 = this.selEnd.Col > num4;
					if (flag5)
					{
						this.MoveSelectionLeft(false);
					}
					else
					{
						int num5 = (this.selectionRange.Rows > 1) ? this.selectionRange.Row : 0;
						bool flag6 = this.selEnd.Row > num5;
						if (flag6)
						{
							int col2 = (this.selectionRange.Cols > 1) ? this.selectionRange.EndCol : (this.cols.Count - 1);
							this.focusPos.Col = col2;
							this.MoveSelectionUp(false);
						}
					}
				}
				this.focusReturnColumn = num;
			}
		}

		private void OnEnterKeyPressed(bool shiftKeyDown)
		{
			bool flag = this.selectionMode == WorksheetSelectionMode.None;
			if (!flag)
			{
				bool flag2 = !shiftKeyDown;
				if (flag2)
				{
					this.MoveSelectionForward();
				}
				else
				{
					this.MoveSelectionBackward();
				}
			}
		}

		public void MoveFocusRight(bool autoReturn = true)
		{
			bool flag = this.selectionMode == WorksheetSelectionMode.None;
			if (!flag)
			{
				this.FocusPos = this.FindNextMovableCellRight(this.focusPos, this.RangeIsMergedCell(this.selectionRange) ? this.FixRange(RangePosition.EntireRange) : this.selectionRange, autoReturn);
			}
		}

		public void MoveFocusDown(bool autoReturn = true)
		{
			bool flag = this.selectionMode == WorksheetSelectionMode.None;
			if (!flag)
			{
				this.FocusPos = this.FindNextMovableCellDown(this.focusPos, this.RangeIsMergedCell(this.selectionRange) ? this.FixRange(RangePosition.EntireRange) : this.selectionRange, autoReturn);
			}
		}

		private CellPosition FindNextMovableCellUp(CellPosition pos, int firstRow)
		{
			int i = pos.Row;
			while (i > firstRow)
			{
				i--;
				Cell cell = this.cells[i, pos.Col];
				bool flag = cell != null && !cell.MergeEndPos.IsEmpty && i < cell.MergeEndPos.Row && i >= cell.MergeStartPos.Row;
				if (!flag)
				{
					bool flag2 = this.rows[i].InnerHeight > 0;
					if (flag2)
					{
						break;
					}
				}
			}
			return new CellPosition(i, pos.Col);
		}

		private CellPosition FindNextMovableCellLeft(CellPosition pos, int firstCol)
		{
			int i = pos.Col;
			while (i > firstCol)
			{
				i--;
				Cell cell = this.cells[pos.Row, i];
				bool flag = cell != null && !cell.MergeEndPos.IsEmpty && i < cell.MergeEndPos.Col && i >= cell.MergeStartPos.Col;
				if (!flag)
				{
					bool flag2 = this.cols[i].InnerWidth > 0;
					if (flag2)
					{
						break;
					}
				}
			}
			return new CellPosition(pos.Row, i);
		}

		private CellPosition FindNextMovableCellRight(CellPosition pos, RangePosition moveRange, bool autoReturn = true)
		{
			int i = pos.Col;
			int num = (this.selectionRange.Cols > 1) ? this.selectionRange.EndCol : (this.cols.Count - 1);
			bool flag = i >= num;
			if (flag)
			{
				CellPosition cellPosition = this.FindNextMovableCellDown(new CellPosition(pos.Row, moveRange.Col), moveRange, false);
				bool flag2 = pos == cellPosition;
				if (flag2)
				{
					return pos;
				}
				pos = cellPosition;
			}
			int row = pos.Row;
			while (i < moveRange.EndCol)
			{
				i++;
				Cell cell = this.cells[row, i];
				bool flag3 = cell != null && !cell.MergeEndPos.IsEmpty && i <= cell.MergeEndPos.Col && i > cell.MergeStartPos.Col;
				if (!flag3)
				{
					bool flag4 = this.cols[i].InnerWidth > 0;
					if (flag4)
					{
						break;
					}
				}
			}
			return new CellPosition(pos.Row, i);
		}

		private CellPosition FindNextMovableCellDown(CellPosition pos, RangePosition moveRange, bool autoReturn = true)
		{
			int i = pos.Row;
			while (i < moveRange.EndRow)
			{
				i++;
				Cell cell = this.cells[i, pos.Col];
				bool flag = cell != null && !cell.MergeEndPos.IsEmpty && i <= cell.MergeEndPos.Row && i > cell.MergeStartPos.Row;
				if (!flag)
				{
					bool flag2 = this.rows[i].InnerHeight > 0;
					if (flag2)
					{
						break;
					}
				}
			}
			return new CellPosition(i, pos.Col);
		}

		public void MoveSelectionForward()
		{
			bool flag = this.SelectionMovedForward != null;
			if (flag)
			{
				SelectionMovedForwardEventArgs selectionMovedForwardEventArgs = new SelectionMovedForwardEventArgs();
				this.SelectionMovedForward(this, selectionMovedForwardEventArgs);
				bool isCancelled = selectionMovedForwardEventArgs.IsCancelled;
				if (isCancelled)
				{
					return;
				}
			}
			SelectionForwardDirection selectionForwardDirection = this.selectionForwardDirection;
			SelectionForwardDirection selectionForwardDirection2 = selectionForwardDirection;
			if (selectionForwardDirection2 != SelectionForwardDirection.Right)
			{
				if (selectionForwardDirection2 == SelectionForwardDirection.Down)
				{
					bool flag2 = this.selEnd.Row < this.rows.Count - 1;
					if (flag2)
					{
						this.selEnd.Col = this.focusReturnColumn;
						this.MoveSelectionDown(false);
					}
					else
					{
						bool flag3 = this.selEnd.Col < this.cols.Count - 1;
						if (flag3)
						{
							this.selEnd.Row = 0;
							this.MoveSelectionRight(false);
						}
					}
				}
			}
			else
			{
				bool flag4 = this.selEnd.Col < this.cols.Count - 1;
				if (flag4)
				{
					this.MoveSelectionRight(false);
				}
				else
				{
					bool flag5 = this.selEnd.Row < this.rows.Count - 1;
					if (flag5)
					{
						this.selEnd.Col = 0;
						this.MoveSelectionDown(false);
					}
				}
			}
		}

		public void MoveSelectionBackward()
		{
			bool flag = this.SelectionMovedBackward != null;
			if (flag)
			{
				SelectionMovedBackwardEventArgs selectionMovedBackwardEventArgs = new SelectionMovedBackwardEventArgs();
				this.SelectionMovedBackward(this, selectionMovedBackwardEventArgs);
				bool isCancelled = selectionMovedBackwardEventArgs.IsCancelled;
				if (isCancelled)
				{
					return;
				}
			}
			SelectionForwardDirection selectionForwardDirection = this.selectionForwardDirection;
			SelectionForwardDirection selectionForwardDirection2 = selectionForwardDirection;
			if (selectionForwardDirection2 != SelectionForwardDirection.Right)
			{
				if (selectionForwardDirection2 == SelectionForwardDirection.Down)
				{
					bool flag2 = this.selEnd.Row > 0;
					if (flag2)
					{
						this.MoveSelectionUp(false);
					}
				}
			}
			else
			{
				bool flag3 = this.selEnd.Col > 0;
				if (flag3)
				{
					this.MoveSelectionLeft(false);
				}
			}
		}

		public void MoveSelectionUp(bool appendSelect = false)
		{
			bool flag = this.selectionMode == WorksheetSelectionMode.None;
			if (!flag)
			{
				int i = this.selEnd.Row;
				while (i > 0)
				{
					i--;
					Cell cell = this.cells[i, this.selEnd.Col];
					bool flag2 = cell != null && !cell.MergeEndPos.IsEmpty && i < cell.MergeEndPos.Row && i >= cell.MergeStartPos.Row;
					if (!flag2)
					{
						bool flag3 = this.rows[i].InnerHeight > 0;
						if (flag3)
						{
							this.MoveRangeSelection(this.selStart, new CellPosition(i, this.selEnd.Col), appendSelect, true);
							break;
						}
					}
				}
			}
		}

		public void MoveSelectionDown(bool appendSelect = false)
		{
			bool flag = this.selectionMode == WorksheetSelectionMode.None;
			if (!flag)
			{
				int i = this.selEnd.Row;
				while (i < this.rows.Count - 1)
				{
					i++;
					Cell cell = this.cells[i, this.selEnd.Col];
					bool flag2 = cell != null && !cell.MergeEndPos.IsEmpty && i <= cell.MergeEndPos.Row && i > cell.MergeStartPos.Row;
					if (!flag2)
					{
						bool flag3 = this.rows[i].InnerHeight > 0;
						if (flag3)
						{
							this.MoveRangeSelection(this.selStart, new CellPosition(i, this.selEnd.Col), appendSelect, true);
							break;
						}
					}
				}
			}
		}

		public void MoveSelectionLeft(bool appendSelect = false)
		{
			bool flag = this.selectionMode == WorksheetSelectionMode.None;
			if (!flag)
			{
				int i = this.selEnd.Col;
				while (i > 0)
				{
					i--;
					Cell cell = this.cells[this.selEnd.Row, i];
					bool flag2 = cell != null && !cell.MergeEndPos.IsEmpty && i < cell.MergeEndPos.Col && i >= cell.MergeStartPos.Col;
					if (!flag2)
					{
						bool flag3 = this.cols[i].InnerWidth > 0;
						if (flag3)
						{
							this.MoveRangeSelection(this.selStart, new CellPosition(this.selEnd.Row, i), appendSelect, true);
							break;
						}
					}
				}
			}
		}

		public void MoveSelectionRight(bool appendSelect = false)
		{
			bool flag = this.selectionMode == WorksheetSelectionMode.None;
			if (!flag)
			{
				int i = this.selEnd.Col;
				while (i < this.cols.Count - 1)
				{
					i++;
					Cell cell = this.cells[this.selEnd.Row, i];
					bool flag2 = cell != null && !cell.MergeEndPos.IsEmpty && i <= cell.MergeEndPos.Col && i > cell.MergeStartPos.Col;
					if (!flag2)
					{
						bool flag3 = this.cols[i].InnerWidth > 0;
						if (flag3)
						{
							this.MoveRangeSelection(this.selStart, new CellPosition(this.selEnd.Row, i), appendSelect, true);
							break;
						}
					}
				}
			}
		}

		public void MoveSelectionHome(RowOrColumn rowOrColumn, bool appendSelect = false)
		{
			bool flag = this.selectionMode == WorksheetSelectionMode.None;
			if (!flag)
			{
				CellPosition cellPosition = this.selEnd;
				bool flag2 = (rowOrColumn & RowOrColumn.Row) == RowOrColumn.Row;
				if (flag2)
				{
					cellPosition.Row = 0;
				}
				bool flag3 = (rowOrColumn & RowOrColumn.Column) == RowOrColumn.Column;
				if (flag3)
				{
					cellPosition.Col = 0;
				}
				bool flag4 = cellPosition != this.selEnd;
				if (flag4)
				{
					this.MoveRangeSelection(this.selStart, cellPosition, appendSelect, true);
				}
			}
		}

		public void MoveSelectionEnd(RowOrColumn rowOrColumn, bool appendSelect = false)
		{
			bool flag = this.selectionMode == WorksheetSelectionMode.None;
			if (!flag)
			{
				CellPosition cellPosition = this.selEnd;
				bool flag2 = (rowOrColumn & RowOrColumn.Row) == RowOrColumn.Row;
				if (flag2)
				{
					cellPosition.Row = this.rows.Count - 1;
				}
				bool flag3 = (rowOrColumn & RowOrColumn.Column) == RowOrColumn.Column;
				if (flag3)
				{
					cellPosition.Col = this.cols.Count - 1;
				}
				bool flag4 = cellPosition != this.selEnd;
				if (flag4)
				{
					this.MoveRangeSelection(this.selStart, cellPosition, appendSelect, true);
				}
			}
		}

		public void MoveSelectionPageDown(bool appendSelect = false)
		{
			bool flag = this.selectionMode == WorksheetSelectionMode.None;
			if (!flag)
			{
				int num = this.selEnd.Row;
				NormalViewportController normalViewportController = this.viewportController as NormalViewportController;
				bool flag2 = normalViewportController != null;
				if (flag2)
				{
					IViewport viewport = normalViewportController.FocusView as IViewport;
					bool flag3 = viewport != null;
					if (flag3)
					{
						num += Math.Max(viewport.VisibleRegion.Rows - 1, 1);
					}
				}
				CellPosition end = this.FixPos(new CellPosition(num, this.selEnd.Col));
				Cell cell = this.cells[end.Row, end.Col];
				bool flag4 = cell != null;
				if (flag4)
				{
					cell = this.GetMergedCellOfRange(end.Row, this.selEnd.Col);
					end = cell.Position;
				}
				this.MoveRangeSelection(this.selStart, end, appendSelect, true);
			}
		}

		public void MoveSelectionPageUp(bool appendSelect = false)
		{
			bool flag = this.selectionMode == WorksheetSelectionMode.None;
			if (!flag)
			{
				int num = this.selEnd.Row;
				NormalViewportController normalViewportController = this.viewportController as NormalViewportController;
				bool flag2 = normalViewportController != null;
				if (flag2)
				{
					IViewport viewport = normalViewportController.FocusView as IViewport;
					bool flag3 = viewport != null;
					if (flag3)
					{
						num -= Math.Max(viewport.VisibleRegion.Rows - 1, 1);
					}
				}
				CellPosition end = this.FixPos(new CellPosition(num, this.selEnd.Col));
				Cell cell = this.cells[end.Row, end.Col];
				bool flag4 = cell != null;
				if (flag4)
				{
					cell = this.GetMergedCellOfRange(end.Row, this.selEnd.Col);
					end = cell.Position;
				}
				this.MoveRangeSelection(this.selStart, end, appendSelect, true);
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<BeforeSelectionChangeEventArgs> BeforeSelectionRangeChange;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<RangeEventArgs> SelectionRangeChanged;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<RangeEventArgs> SelectionRangeChanging;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler SelectionModeChanged;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler SelectionStyleChanged;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler SelectionForwardDirectionChanged;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<SelectionMovedForwardEventArgs> SelectionMovedForward;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<SelectionMovedBackwardEventArgs> SelectionMovedBackward;

		public Worksheet Clone(string newName = null)
		{
			bool flag = this.workbook == null;
			if (flag)
			{
				throw new ReferenceObjectNotAssociatedException("worksheet must be added into workbook to do this");
			}
			bool flag2 = string.IsNullOrEmpty(newName);
			if (flag2)
			{
				newName = this.workbook.GetAvailableWorksheetName();
			}
			Worksheet worksheet = new Worksheet(this.workbook, null, 0, 0)
			{
				name = newName,
				RootStyle = new WorksheetRangeStyle(this.RootStyle),
				defaultColumnWidth = this.defaultColumnWidth,
				defaultRowHeight = this.defaultRowHeight,
				registeredNamedRanges = new Dictionary<string, NamedRange>(this.registeredNamedRanges),
				outlines = ((this.outlines == null) ? null : new Dictionary<RowOrColumn, OutlineCollection<ReoGridOutline>>(this.outlines)),
				highlightRanges = new List<HighlightRange>(this.highlightRanges),
				pageBreakRows = ((this.pageBreakRows == null) ? null : new List<int>(this.pageBreakRows)),
				pageBreakCols = ((this.pageBreakCols == null) ? null : new List<int>(this.pageBreakCols)),
				userPageBreakCols = ((this.userPageBreakCols == null) ? null : new List<int>(this.userPageBreakCols)),
				userPageBreakRows = ((this.userPageBreakRows == null) ? null : new List<int>(this.userPageBreakRows)),
				settings = this.settings
			};
			worksheet.rows.Capacity = this.rows.Count;
			worksheet.cols.Capacity = this.cols.Count;
			foreach (RowHeader rowHeader in this.rows)
			{
				worksheet.rows.Add(rowHeader.Clone(worksheet));
			}
			foreach (ColumnHeader columnHeader in this.cols)
			{
				worksheet.cols.Add(columnHeader.Clone(worksheet));
			}
			PartialGrid partialGrid = this.GetPartialGrid(RangePosition.EntireRange);
			worksheet.SetPartialGrid(RangePosition.EntireRange, partialGrid);
			CellPosition freezePos = this.FreezePos;
			bool flag3 = freezePos.Row > 0 || freezePos.Col > 0;
			if (flag3)
			{
				worksheet.FreezeToCell(freezePos, this.FreezeArea);
			}
			worksheet.ScaleFactor = this.ScaleFactor;
			worksheet.UpdateViewportController();
			return worksheet;
		}

		public void Load(string file)
		{
			this.Load(file, Encoding.Default);
		}

		public void Load(string file, Encoding encoding)
		{
			bool flag = file.EndsWith(".csv", StringComparison.CurrentCultureIgnoreCase);
			if (flag)
			{
				this.LoadCSV(file, encoding);
			}
			else
			{
				bool flag2 = file.EndsWith(".xlsx", StringComparison.CurrentCultureIgnoreCase);
				if (flag2)
				{
					throw new NotSupportedException("Cannot load Excel file into single worksheet, try use Load method of control.");
				}
				bool flag3 = file.EndsWith(".xls", StringComparison.CurrentCultureIgnoreCase);
				if (flag3)
				{
					throw new NotSupportedException("Loading Excel 2003 format is not supported.");
				}
				this.LoadRGF(file);
			}
			string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(file);
			bool flag4 = this.workbook == null;
			if (flag4)
			{
				this.name = fileNameWithoutExtension;
			}
			else
			{
				bool flag5 = !this.workbook.CheckWorksheetName(fileNameWithoutExtension);
				if (flag5)
				{
					this.name = this.workbook.GetAvailableWorksheetName();
				}
			}
			EventHandler<FileLoadedEventArgs> fileLoaded = this.FileLoaded;
			if (fileLoaded != null)
			{
				fileLoaded(this, new FileLoadedEventArgs(file));
			}
		}

		public void LoadRGF(string path)
		{
			using (FileStream fileStream = File.OpenRead(path))
			{
				this.LoadRGF(fileStream);
			}
		}

		public void LoadRGF(Stream s)
		{
			Stopwatch stopwatch = Stopwatch.StartNew();
			XmlSerializer xmlSerializer = new XmlSerializer(typeof(RGXmlSheet));
			RGXmlSheet rgxmlSheet;
			try
			{
				rgxmlSheet = (xmlSerializer.Deserialize(s) as RGXmlSheet);
			}
			catch (Exception ex)
			{
				throw new ReoGridLoadException("Read xml format error: " + ex.Message, ex);
			}
			this.Clear();
			WorksheetSettings worksheetSettings = WorksheetSettings.Default;
			this.ScaleFactor = 1f;
			CultureInfo culture = Thread.CurrentThread.CurrentCulture;
			bool flag = rgxmlSheet.head != null;
			if (flag)
			{
				RGXmlHead head = rgxmlSheet.head;
				bool flag2 = head.settings != null;
				if (flag2)
				{
					RGXmlWorksheetSetting rgxmlWorksheetSetting = head.settings;
					bool flag3 = rgxmlWorksheetSetting.showGrid != null && !TextFormatHelper.IsSwitchOn(rgxmlWorksheetSetting.showGrid);
					if (flag3)
					{
						worksheetSettings = worksheetSettings.Remove(WorksheetSettings.View_ShowGridLine);
					}
					bool flag4 = TextFormatHelper.IsSwitchOn(rgxmlWorksheetSetting.showPageBreakes);
					if (flag4)
					{
						worksheetSettings = worksheetSettings.Add(WorksheetSettings.View_ShowPageBreaks);
					}
					else
					{
						worksheetSettings = worksheetSettings.Remove(WorksheetSettings.View_ShowPageBreaks);
					}
					bool flag5 = rgxmlWorksheetSetting.showRowHeader != null && !TextFormatHelper.IsSwitchOn(rgxmlWorksheetSetting.showRowHeader);
					if (flag5)
					{
						worksheetSettings = worksheetSettings.Remove(WorksheetSettings.View_ShowRowHeader);
					}
					bool flag6 = rgxmlWorksheetSetting.showColHeader != null && !TextFormatHelper.IsSwitchOn(rgxmlWorksheetSetting.showColHeader);
					if (flag6)
					{
						worksheetSettings = worksheetSettings.Remove(WorksheetSettings.View_ShowColumnHeader);
					}
				}
				string text = (head.meta == null) ? null : head.meta.culture;
				bool flag7 = !string.IsNullOrEmpty(text);
				if (flag7)
				{
					try
					{
						culture = new CultureInfo(text);
					}
					catch (Exception)
					{
						Logger.Log("load", "warning: unsupported culture: " + text);
					}
				}
				this.defaultRowHeight = head.defaultRowHeight;
				this.defaultColumnWidth = head.defaultColumnWidth;
				bool flag8 = head.rowHeaderWidth != null;
				if (flag8)
				{
					this.rowHeaderWidth = (ushort)TextFormatHelper.GetPixelValue(head.rowHeaderWidth, 40);
					this.userRowHeaderWidth = true;
				}
				bool flag9 = !string.IsNullOrEmpty(head.selectionMode);
				if (flag9)
				{
					this.selectionMode = XmlFileFormatHelper.DecodeSelectionMode(head.selectionMode);
				}
				bool flag10 = !string.IsNullOrEmpty(head.selectionStyle);
				if (flag10)
				{
					this.selectionStyle = XmlFileFormatHelper.DecodeSelectionStyle(head.selectionStyle);
				}
				bool flag11 = !string.IsNullOrEmpty(head.focusForwardDirection);
				if (flag11)
				{
					this.selectionForwardDirection = XmlFileFormatHelper.DecodeFocusForwardDirection(head.focusForwardDirection);
				}
				bool flag12 = head.printSettings != null;
				if (flag12)
				{
					RGXmlPrintSetting rgxmlPrintSetting = head.printSettings;
					bool flag13 = this.printSettings == null;
					if (flag13)
					{
						this.printSettings = new PrintSettings();
					}
					int[] array = null;
					int[] array2 = null;
					bool flag14 = !string.IsNullOrEmpty(rgxmlPrintSetting.paperName);
					if (flag14)
					{
						this.printSettings.PaperName = rgxmlPrintSetting.paperName;
					}
					else
					{
						this.printSettings.PaperName = PaperSize.Custom.ToString();
					}
					bool flag15 = !string.IsNullOrEmpty(rgxmlPrintSetting.paperWidth);
					if (flag15)
					{
						this.printSettings.PaperWidth = TextFormatHelper.GetFloatValue(rgxmlPrintSetting.paperWidth, 8.5f);
					}
					bool flag16 = !string.IsNullOrEmpty(rgxmlPrintSetting.paperHeight);
					if (flag16)
					{
						this.printSettings.PaperHeight = TextFormatHelper.GetFloatValue(rgxmlPrintSetting.paperHeight, 11f);
					}
					bool flag17 = TextFormatHelper.IsSwitchOn(rgxmlPrintSetting.landscape);
					if (flag17)
					{
						this.printSettings.Landscape = true;
					}
					bool flag18 = !string.IsNullOrEmpty(rgxmlPrintSetting.pageBreakCols);
					if (flag18)
					{
						array = TextFormatHelper.DecodeIntArray(rgxmlPrintSetting.pageBreakCols);
					}
					bool flag19 = !string.IsNullOrEmpty(rgxmlPrintSetting.pageBreakRows);
					if (flag19)
					{
						array2 = TextFormatHelper.DecodeIntArray(rgxmlPrintSetting.pageBreakRows);
					}
					float pageScaling = 1f;
					bool flag20 = !string.IsNullOrEmpty(rgxmlPrintSetting.scaling) && float.TryParse(rgxmlPrintSetting.scaling, out pageScaling);
					if (flag20)
					{
						this.PrintSettings.PageScaling = pageScaling;
					}
					bool flag21 = !string.IsNullOrEmpty(rgxmlPrintSetting.pageOrder);
					if (flag21)
					{
						this.PrintSettings.PageOrder = XmlFileFormatHelper.DecodePageOrder(rgxmlPrintSetting.pageOrder);
					}
					Debug.Assert(array2 == null || array2.Length >= 2);
					Debug.Assert(array == null || array.Length >= 2);
					bool flag22 = array != null && array.Length >= 2 && array2 != null && array2.Length >= 2;
					if (flag22)
					{
						bool flag23 = this.userPageBreakCols == null;
						if (flag23)
						{
							this.userPageBreakCols = new List<int>();
						}
						else
						{
							this.userPageBreakCols.Clear();
						}
						bool flag24 = this.userPageBreakRows == null;
						if (flag24)
						{
							this.userPageBreakRows = new List<int>();
						}
						else
						{
							this.userPageBreakRows.Clear();
						}
						this.userPageBreakCols.AddRange(array);
						this.userPageBreakRows.AddRange(array2);
						int num = array2[0];
						int num2 = array2[array2.Length - 1];
						int num3 = array[0];
						int num4 = array[array.Length - 1];
						this.printableRange = new RangePosition(num, num3, num2 - num, num4 - num3);
						bool flag25 = rgxmlPrintSetting.margins != null;
						if (flag25)
						{
							this.printSettings.Margins = new PageMargins((float)rgxmlPrintSetting.margins.top, (float)rgxmlPrintSetting.margins.bottom, (float)rgxmlPrintSetting.margins.left, (float)rgxmlPrintSetting.margins.right);
						}
					}
				}
			}
			bool flag26 = rgxmlSheet.style != null;
			if (flag26)
			{
				this.RootStyle = StyleUtility.ConvertFromXmlStyle(this, rgxmlSheet.style, culture);
				StyleUtility.CopyStyle(Worksheet.DefaultStyle, this.RootStyle, Worksheet.DefaultStyle.Flag & ~this.RootStyle.Flag);
			}
			this.Resize(rgxmlSheet.head.rows, rgxmlSheet.head.cols);
			foreach (RGXmlColHead rgxmlColHead in rgxmlSheet.cols)
			{
				ColumnHeader columnHeader = this.cols[rgxmlColHead.col];
				bool flag27 = this.maxColumnHeader < columnHeader.Index;
				if (flag27)
				{
					this.maxColumnHeader = columnHeader.Index;
				}
				columnHeader.InnerWidth = rgxmlColHead.width;
				columnHeader.LastWidth = (ushort)TextFormatHelper.GetPixelValue(rgxmlColHead.lastWidth, 0);
				columnHeader.IsAutoWidth = (string.IsNullOrEmpty(rgxmlColHead.autoWidth) || TextFormatHelper.IsSwitchOn(rgxmlColHead.autoWidth));
				bool flag28 = !string.IsNullOrEmpty(rgxmlColHead.text);
				if (flag28)
				{
					columnHeader.Text = rgxmlColHead.text;
				}
				bool flag29 = !string.IsNullOrEmpty(rgxmlColHead.textColor);
				if (flag29)
				{
					Color value;
					bool flag30 = TextFormatHelper.DecodeColor(rgxmlColHead.textColor, out value);
					if (flag30)
					{
						columnHeader.TextColor = new Color?(value);
					}
				}
				bool flag31 = rgxmlColHead.style != null;
				if (flag31)
				{
					columnHeader.InnerStyle = new WorksheetRangeStyle(this.RootStyle);
					StyleUtility.CopyStyle(StyleUtility.ConvertFromXmlStyle(this, rgxmlColHead.style, culture), this.cols[rgxmlColHead.col].InnerStyle);
				}
				bool flag32 = !string.IsNullOrEmpty(rgxmlColHead.defaultCellBody);
				if (flag32)
				{
					Type defaultCellBody = null;
					bool flag33 = CellTypesManager.CellTypes.TryGetValue(rgxmlColHead.defaultCellBody, out defaultCellBody);
					if (flag33)
					{
						columnHeader.DefaultCellBody = defaultCellBody;
					}
				}
			}
			foreach (RGXmlRowHead rgxmlRowHead in rgxmlSheet.rows)
			{
				RowHeader rowHeader = this.rows[rgxmlRowHead.row];
				bool flag34 = this.maxRowHeader < rowHeader.Index;
				if (flag34)
				{
					this.maxRowHeader = rowHeader.Index;
				}
				rowHeader.InnerHeight = rgxmlRowHead.height;
				rowHeader.LastHeight = (ushort)TextFormatHelper.GetPixelValue(rgxmlRowHead.lastHeight, 0);
				rowHeader.IsAutoHeight = (string.IsNullOrEmpty(rgxmlRowHead.autoHeight) || TextFormatHelper.IsSwitchOn(rgxmlRowHead.autoHeight));
				bool flag35 = !string.IsNullOrEmpty(rgxmlRowHead.text);
				if (flag35)
				{
					rowHeader.Text = rgxmlRowHead.text;
				}
				bool flag36 = !string.IsNullOrEmpty(rgxmlRowHead.textColor);
				if (flag36)
				{
					Color value2;
					bool flag37 = TextFormatHelper.DecodeColor(rgxmlRowHead.textColor, out value2);
					if (flag37)
					{
						rowHeader.TextColor = new Color?(value2);
					}
				}
				bool flag38 = rgxmlRowHead.style != null;
				if (flag38)
				{
					rowHeader.InnerStyle = new WorksheetRangeStyle(this.RootStyle);
					StyleUtility.CopyStyle(StyleUtility.ConvertFromXmlStyle(this, rgxmlRowHead.style, culture), this.rows[rgxmlRowHead.row].InnerStyle);
				}
			}
			int num5 = (int)((this.cols.Count > 0) ? this.cols[0].InnerWidth : 0);
			for (int i = 1; i < this.cols.Count; i++)
			{
				this.cols[i].Left = num5;
				num5 += (int)this.cols[i].InnerWidth;
			}
			int num6 = (int)((this.rows.Count > 0) ? this.rows[0].InnerHeight : 0);
			for (int j = 1; j < this.rows.Count; j++)
			{
				this.rows[j].Top = num6;
				num6 += (int)this.rows[j].InnerHeight;
			}
			bool flag39 = rgxmlSheet.head.outlines != null;
			if (flag39)
			{
				bool flag40 = rgxmlSheet.head.outlines.rowOutlines != null;
				if (flag40)
				{
					foreach (RGXmlOutline rgxmlOutline in rgxmlSheet.head.outlines.rowOutlines)
					{
						ReoGridOutline reoGridOutline = this.AddOutline(RowOrColumn.Row, rgxmlOutline.start, rgxmlOutline.count);
						bool collapsed = rgxmlOutline.collapsed;
						if (collapsed)
						{
							reoGridOutline.Collapse();
						}
					}
				}
				bool flag41 = rgxmlSheet.head.outlines.colOutlines != null;
				if (flag41)
				{
					foreach (RGXmlOutline rgxmlOutline2 in rgxmlSheet.head.outlines.colOutlines)
					{
						ReoGridOutline reoGridOutline2 = this.AddOutline(RowOrColumn.Column, rgxmlOutline2.start, rgxmlOutline2.count);
						bool collapsed2 = rgxmlOutline2.collapsed;
						if (collapsed2)
						{
							reoGridOutline2.Collapse();
						}
					}
				}
			}
			bool flag42 = rgxmlSheet.head.namedRanges != null;
			if (flag42)
			{
				foreach (RGXmlNamedRange rgxmlNamedRange in rgxmlSheet.head.namedRanges)
				{
					bool flag43 = RangePosition.IsValidAddress(rgxmlNamedRange.address);
					if (flag43)
					{
						this.AddNamedRange(new NamedRange(this, rgxmlNamedRange.name, new RangePosition(rgxmlNamedRange.address))
						{
							Comment = rgxmlNamedRange.comment
						});
					}
				}
			}
			foreach (RGXmlHBorder rgxmlHBorder in rgxmlSheet.hborder)
			{
				this.SetHBorders(rgxmlHBorder.row, rgxmlHBorder.col, rgxmlHBorder.cols, rgxmlHBorder.StyleGridBorder, XmlFileFormatHelper.DecodeHBorderOwnerPos(rgxmlHBorder.pos));
			}
			foreach (RGXmlVBorder rgxmlVBorder in rgxmlSheet.vborder)
			{
				this.SetVBorders(rgxmlVBorder.row, rgxmlVBorder.col, rgxmlVBorder.rows, rgxmlVBorder.StyleGridBorder, XmlFileFormatHelper.DecodeVBorderOwnerPos(rgxmlVBorder.pos));
			}
			List<Cell> list = null;
			List<Cell> list2 = null;
			this.suspendDataChangedEvent = true;
			foreach (RGXmlCell rgxmlCell in rgxmlSheet.cells)
			{
				int num7 = 1;
				int num8 = 1;
				bool flag44 = rgxmlCell.rowspan != null;
				if (flag44)
				{
					int.TryParse(rgxmlCell.rowspan, out num7);
				}
				bool flag45 = rgxmlCell.colspan != null;
				if (flag45)
				{
					int.TryParse(rgxmlCell.colspan, out num8);
				}
				Cell cell = this.CreateCell(rgxmlCell.row, rgxmlCell.col, true);
				bool flag46 = num7 > 1 || num8 > 1;
				if (flag46)
				{
					this.MergeRange(new RangePosition(rgxmlCell.row, rgxmlCell.col, num7, num8), true, false);
				}
				cell.DataFormat = XmlFileFormatHelper.DecodeCellDataFormat(rgxmlCell.dataFormat);
				bool flag47 = rgxmlCell.style != null;
				if (flag47)
				{
					WorksheetRangeStyle worksheetRangeStyle = StyleUtility.ConvertFromXmlStyle(this, rgxmlCell.style, culture);
					bool flag48 = worksheetRangeStyle != null;
					if (flag48)
					{
						this.SetCellStyle(cell, worksheetRangeStyle, StyleParentKind.Own, null);
					}
				}
				bool flag49 = rgxmlCell.dataFormatArgs != null && cell.DataFormat > CellDataFormatFlag.General;
				if (flag49)
				{
					RGXmlCellDataFormatArgs dataFormatArgs = rgxmlCell.dataFormatArgs;
					object obj = null;
					switch (cell.DataFormat)
					{
					case CellDataFormatFlag.Number:
						obj = new NumberDataFormatter.NumberFormatArgs
						{
							DecimalPlaces = (short)TextFormatHelper.GetFloatValue(dataFormatArgs.decimalPlaces, 2f, culture),
							NegativeStyle = XmlFileFormatHelper.DecodeNegativeNumberStyle(dataFormatArgs.negativeStyle),
							UseSeparator = TextFormatHelper.IsSwitchOn(dataFormatArgs.useSeparator)
						};
						break;
					case CellDataFormatFlag.DateTime:
						obj = new DateTimeDataFormatter.DateTimeFormatArgs
						{
							CultureName = dataFormatArgs.culture,
							Format = dataFormatArgs.pattern
						};
						break;
					case CellDataFormatFlag.Percent:
						obj = new NumberDataFormatter.NumberFormatArgs
						{
							DecimalPlaces = (short)TextFormatHelper.GetFloatValue(dataFormatArgs.decimalPlaces, 0f, culture)
						};
						break;
					case CellDataFormatFlag.Currency:
					{
						string pattern = dataFormatArgs.pattern;
						int num9 = pattern.IndexOf(',');
						bool flag50 = num9 > -1;
						string prefixSymbol;
						string postfixSymbol;
						if (flag50)
						{
							prefixSymbol = pattern.Substring(0, num9);
							postfixSymbol = pattern.Substring(num9 + 1);
						}
						else
						{
							prefixSymbol = pattern;
							postfixSymbol = null;
						}
						obj = new CurrencyDataFormatter.CurrencyFormatArgs
						{
							DecimalPlaces = (short)TextFormatHelper.GetFloatValue(dataFormatArgs.decimalPlaces, 2f, culture),
							CultureEnglishName = dataFormatArgs.culture,
							NegativeStyle = XmlFileFormatHelper.DecodeNegativeNumberStyle(dataFormatArgs.negativeStyle),
							PrefixSymbol = prefixSymbol,
							PostfixSymbol = postfixSymbol
						};
						break;
					}
					}
					bool flag51 = obj != null;
					if (flag51)
					{
						cell.DataFormatArgs = obj;
					}
				}
				string text2 = null;
				string text3 = null;
				bool flag52 = rgxmlCell.formula != null && !string.IsNullOrEmpty(rgxmlCell.formula.val);
				if (flag52)
				{
					text2 = rgxmlCell.formula.val;
					text3 = rgxmlCell.data;
				}
				else
				{
					bool flag53 = rgxmlCell.data != null && rgxmlCell.data.StartsWith("=");
					if (flag53)
					{
						text2 = rgxmlCell.data.Substring(1);
					}
					else
					{
						text3 = rgxmlCell.data;
					}
				}
				bool flag54 = !string.IsNullOrEmpty(rgxmlCell.bodyType);
				if (flag54)
				{
					Type type;
					bool flag55 = CellTypesManager.CellTypes.TryGetValue(rgxmlCell.bodyType, out type);
					if (flag55)
					{
						try
						{
							cell.Body = (Activator.CreateInstance(type) as ICellBody);
						}
						catch (Exception innerEx)
						{
							throw new ReoGridLoadException("Cannot create cell body instance from type: " + rgxmlCell.bodyType, innerEx);
						}
						bool flag56 = type == typeof(ImageCell);
						if (flag56)
						{
							int num10 = rgxmlCell.data.IndexOf(',');
							bool flag57 = num10 > 0;
							if (flag57)
							{
								string a = rgxmlCell.data.Substring(0, num10);
								bool flag58 = a == "image/png";
								if (flag58)
								{
									string s2 = rgxmlCell.data.Substring(num10 + 1);
									using (MemoryStream memoryStream = new MemoryStream(Convert.FromBase64String(s2)))
									{
										((ImageCell)cell.body).Image = Image.FromStream(memoryStream);
									}
									text3 = null;
								}
							}
						}
					}
					else
					{
						RGFCustomBodyHandler rgfcustomBodyHandler;
						bool flag59 = RGFPersistenceProvider.CustomBodyTypeHandlers.TryGetValue(rgxmlCell.bodyType, out rgfcustomBodyHandler);
						if (flag59)
						{
							text3 = Convert.ToString(rgfcustomBodyHandler.LoadData(cell, rgxmlCell.data));
						}
					}
				}
				bool flag60 = !string.IsNullOrEmpty(text3);
				if (flag60)
				{
					this.SetSingleCellData(cell, text3);
				}
				bool flag61 = !string.IsNullOrEmpty(text2);
				if (flag61)
				{
					try
					{
						this.SetCellFormula(cell, text2);
					}
					catch
					{
					}
				}
				cell.IsReadOnly = TextFormatHelper.IsSwitchOn(rgxmlCell.@readonly);
				bool flag62 = TextFormatHelper.IsSwitchOn(rgxmlCell.tracePrecedents);
				if (flag62)
				{
					bool flag63 = list == null;
					if (flag63)
					{
						list = new List<Cell>();
					}
					list.Add(cell);
				}
				bool flag64 = TextFormatHelper.IsSwitchOn(rgxmlCell.traceDependents);
				if (flag64)
				{
					bool flag65 = list2 == null;
					if (flag65)
					{
						list2 = new List<Cell>();
					}
					list2.Add(cell);
				}
			}
			this.suspendDataChangedEvent = false;
			foreach (Cell cell2 in this.formulaRanges.Keys)
			{
				this.RecalcCell(cell2, null);
			}
			bool flag66 = list != null;
			if (flag66)
			{
				foreach (Cell cell3 in list)
				{
					cell3.TraceFormulaPrecedents = true;
				}
			}
			bool flag67 = list2 != null;
			if (flag67)
			{
				foreach (Cell cell4 in list2)
				{
					cell4.TraceFormulaDependents = true;
				}
			}
			int num11 = 0;
			int num12 = 0;
			bool flag68 = !string.IsNullOrEmpty(rgxmlSheet.head.freezeRow);
			if (flag68)
			{
				int.TryParse(rgxmlSheet.head.freezeRow, out num11);
			}
			bool flag69 = !string.IsNullOrEmpty(rgxmlSheet.head.freezeCol);
			if (flag69)
			{
				int.TryParse(rgxmlSheet.head.freezeCol, out num12);
			}
			FreezeArea area = XmlFileFormatHelper.DecodeFreezeArea(rgxmlSheet.head.freezeArea);
			bool flag70 = num11 > 0 || num12 > 0;
			if (flag70)
			{
				this.FreezeToCell(num11, num12, area);
			}
			else
			{
				this.viewDirty = true;
				this.UpdateViewportController();
			}
			this.settings = worksheetSettings;
			EventHandler<SettingsChangedEventArgs> settingsChanged = this.SettingsChanged;
			if (settingsChanged != null)
			{
				settingsChanged(this, new SettingsChangedEventArgs
				{
					AddedSettings = this.settings
				});
			}
			bool flag71 = (this.userPageBreakCols != null && this.userPageBreakCols.Count > 0) || (this.userPageBreakRows != null && this.userPageBreakRows.Count > 0);
			if (flag71)
			{
				this.AutoSplitPage();
			}
			stopwatch.Stop();
			Debug.WriteLine("rgf loaded: " + stopwatch.ElapsedMilliseconds.ToString() + " ms.");
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<FileLoadedEventArgs> FileLoaded;

		public bool Save(string path)
		{
			return this.Save(path, FileFormat._Auto);
		}

		public bool Save(string path, FileFormat format)
		{
			bool flag = format == FileFormat._Auto;
			if (flag)
			{
				bool flag2 = path.EndsWith(".xlsx", StringComparison.CurrentCultureIgnoreCase) || path.EndsWith(".xlsm", StringComparison.CurrentCultureIgnoreCase);
				if (flag2)
				{
					format = FileFormat.Excel2007;
				}
				else
				{
					bool flag3 = path.EndsWith(".xls", StringComparison.CurrentCultureIgnoreCase);
					if (flag3)
					{
						throw new NotSupportedException("Saving as Excel 2003 format is not supported.");
					}
					bool flag4 = path.EndsWith(".rgf", StringComparison.CurrentCultureIgnoreCase);
					if (flag4)
					{
						format = FileFormat.ReoGridFormat;
					}
					else
					{
						bool flag5 = path.EndsWith(".csv", StringComparison.CurrentCultureIgnoreCase);
						if (flag5)
						{
							format = FileFormat.CSV;
						}
					}
				}
			}
			FileFormat fileFormat = format;
			FileFormat fileFormat2 = fileFormat;
			bool result;
			if (fileFormat2 != FileFormat.ReoGridFormat)
			{
				if (fileFormat2 != FileFormat.CSV)
				{
					if (fileFormat2 != FileFormat.Excel2007)
					{
						throw new NotSupportedException("Cannot determine the saving format, try explicitly specify one.");
					}
					throw new NotSupportedException("Saving single worksheet is not supported, try use Workbook.Save instead.");
				}
				else
				{
					this.ExportAsCSV(path, 0, null);
					result = true;
				}
			}
			else
			{
				result = this.SaveRGF(path);
			}
			return result;
		}

		public bool Save(Stream stream, FileFormat format = FileFormat.ReoGridFormat)
		{
			bool result;
			if (format != FileFormat.ReoGridFormat)
			{
				if (format != FileFormat.CSV)
				{
					if (format != FileFormat.Excel2007)
					{
						throw new NotSupportedException();
					}
					throw new NotImplementedException("Saving single worksheet as Excel format is not support, try use Save method from control instance.");
				}
				else
				{
					this.ExportAsCSV(stream, 0, null);
					result = true;
				}
			}
			else
			{
				result = this.SaveRGF(stream);
			}
			return result;
		}

		public bool SaveRGF(string path)
		{
			bool result;
			using (FileStream fileStream = new FileStream(path, FileMode.Create))
			{
				bool flag = this.SaveRGF(fileStream);
				bool flag2 = flag && this.FileSaved != null;
				if (flag2)
				{
					this.FileSaved(this, new FileSavedEventArgs(path));
				}
				result = flag;
			}
			return result;
		}

		public bool SaveRGF(Stream s)
		{
			string text = "ReoGrid Core";
			object[] customAttributes = base.GetType().Assembly.GetCustomAttributes(typeof(AssemblyVersionAttribute), false);
			bool flag = customAttributes != null && customAttributes.Length != 0;
			if (flag)
			{
				text = text + " " + ((AssemblyVersionAttribute)customAttributes[0]).Version.ToString();
			}
			Assembly assembly = base.GetType().Assembly;
			FileVersionInfo versionInfo = FileVersionInfo.GetVersionInfo(assembly.Location);
			var rgxmlSheet = new RGXmlSheet();
			var rgxmlHead = new RGXmlHead();
			rgxmlHead.cols = this.cols.Count;
			rgxmlHead.rows = this.rows.Count;
			rgxmlHead.defaultColumnWidth = this.defaultColumnWidth;
			rgxmlHead.defaultRowHeight = this.defaultRowHeight;
			rgxmlHead.rowHeaderWidth = (this.userRowHeaderWidth ? this.rowHeaderWidth.ToString() : null);
			rgxmlHead.selectionMode = ((this.selectionMode == WorksheetSelectionMode.Range) ? null : XmlFileFormatHelper.EncodeSelectionMode(this.selectionMode));
			rgxmlHead.selectionStyle = ((this.selectionStyle == WorksheetSelectionStyle.Default) ? null : XmlFileFormatHelper.EncodeSelectionStyle(this.selectionStyle));
			rgxmlHead.focusForwardDirection = ((this.selectionForwardDirection == SelectionForwardDirection.Right) ? null : XmlFileFormatHelper.EncodeFocusForwardDirection(this.selectionForwardDirection));
			rgxmlHead.focusCellStyle = ((this.focusPosStyle == FocusPosStyle.Default) ? null : XmlFileFormatHelper.EncodeFocusPosStyle(this.focusPosStyle));
			RGXmlWorksheetSetting rgxmlWorksheetSetting = new RGXmlWorksheetSetting();
			rgxmlWorksheetSetting.showGrid = TextFormatHelper.EncodeBool(this.HasSettings(WorksheetSettings.View_ShowGridLine), WorksheetSettings.Default.Has(WorksheetSettings.View_ShowGridLine));
			rgxmlWorksheetSetting.showPageBreakes = TextFormatHelper.EncodeBool(this.HasSettings(WorksheetSettings.View_ShowPageBreaks), WorksheetSettings.Default.Has(WorksheetSettings.View_ShowPageBreaks));
			rgxmlWorksheetSetting.showRowHeader = TextFormatHelper.EncodeBool(this.HasSettings(WorksheetSettings.View_ShowRowHeader), WorksheetSettings.Default.Has(WorksheetSettings.View_ShowRowHeader));
			rgxmlWorksheetSetting.showColHeader = TextFormatHelper.EncodeBool(this.HasSettings(WorksheetSettings.View_ShowColumnHeader), WorksheetSettings.Default.Has(WorksheetSettings.View_ShowColumnHeader));
			rgxmlWorksheetSetting.@readonly = TextFormatHelper.EncodeBool(this.HasSettings(WorksheetSettings.Edit_Readonly), WorksheetSettings.Default.Has(WorksheetSettings.Edit_Readonly));
			rgxmlWorksheetSetting.allowAdjustRowHeight = TextFormatHelper.EncodeBool(this.HasSettings(WorksheetSettings.Edit_AllowAdjustRowHeight), WorksheetSettings.Default.Has(WorksheetSettings.Edit_AllowAdjustRowHeight));
			rgxmlWorksheetSetting.allowAdjustColumnWidth = TextFormatHelper.EncodeBool(this.HasSettings(WorksheetSettings.Edit_AllowAdjustColumnWidth), WorksheetSettings.Default.Has(WorksheetSettings.Edit_AllowAdjustColumnWidth));
			long num = (long)this.settings;
			rgxmlWorksheetSetting.metaValue = num.ToString();
			rgxmlHead.settings = rgxmlWorksheetSetting;
			rgxmlHead.meta = new RGXmlMeta
			{
				culture = Thread.CurrentThread.CurrentCulture.Name,
				editor = text,
				controlVersion = versionInfo.FileVersion
			};
			rgxmlSheet.head = rgxmlHead;
			rgxmlSheet.style = StyleUtility.ConvertToXmlStyle(this.RootStyle);
			RGXmlHead head = rgxmlSheet.head;
			bool flag2 = this.printSettings != null && (this.pageBreakRows != null && this.pageBreakCols != null && this.pageBreakRows.Count > 1) && this.pageBreakCols.Count > 1;
			if (flag2)
			{
				RGXmlPrintSetting rgxmlPrintSetting = head.printSettings = new RGXmlPrintSetting();
				bool flag3 = this.userPageBreakRows != null && this.userPageBreakRows.Count > 0;
				if (flag3)
				{
					rgxmlPrintSetting.pageBreakRows = TextFormatHelper.EncodeIntArray(this.userPageBreakRows);
				}
				bool flag4 = this.userPageBreakCols != null && this.userPageBreakCols.Count > 0;
				if (flag4)
				{
					rgxmlPrintSetting.pageBreakCols = TextFormatHelper.EncodeIntArray(this.userPageBreakCols);
				}
				bool flag5 = this.printSettings != null;
				if (flag5)
				{
					rgxmlPrintSetting.paperName = this.printSettings.PaperName;
					rgxmlPrintSetting.pageOrder = XmlFileFormatHelper.EncodePageOrder(this.printSettings.PageOrder);
					rgxmlPrintSetting.scaling = this.printSettings.PageScaling.ToString();
					rgxmlPrintSetting.landscape = TextFormatHelper.EncodeBool(this.printSettings.Landscape);
					rgxmlPrintSetting.paperWidth = this.printSettings.PaperWidth.ToString();
					rgxmlPrintSetting.paperHeight = this.printSettings.PaperHeight.ToString();
					PageMargins margins = this.printSettings.Margins;
					rgxmlPrintSetting.margins = new RGXmlMargins
					{
						left = (double)margins.Left,
						right = (double)margins.Right,
						top = (double)margins.Top,
						bottom = (double)margins.Bottom
					};
				}
			}
			CellPosition freezePos = this.FreezePos;
			bool flag6 = freezePos.Row > 0 || freezePos.Col > 0;
			if (flag6)
			{
				head.freezeRow = freezePos.Row.ToString();
				head.freezeCol = freezePos.Col.ToString();
				head.freezeArea = XmlFileFormatHelper.EncodeFreezeArea(this.FreezeArea);
			}
			bool flag7 = this.outlines != null;
			if (flag7)
			{
				Action<OutlineCollection<ReoGridOutline>, List<RGXmlOutline>> action = delegate(OutlineCollection<ReoGridOutline> outlines, List<RGXmlOutline> xmlOutlines)
				{
					outlines.IterateOutlines(delegate(ReoGridOutline outline)
					{
						xmlOutlines.Add(new RGXmlOutline
						{
							start = outline.Start,
							count = outline.Count,
							collapsed = outline.InternalCollapsed
						});
						return true;
					});
				};
				OutlineCollection<ReoGridOutline> outlineCollection = this.GetOutlines(RowOrColumn.Row);
				bool flag8 = outlineCollection != null;
				if (flag8)
				{
					bool flag9 = head.outlines == null;
					if (flag9)
					{
						head.outlines = new RGXmlOutlineList();
					}
					head.outlines.rowOutlines = new List<RGXmlOutline>();
					action(outlineCollection, head.outlines.rowOutlines);
				}
				OutlineCollection<ReoGridOutline> outlineCollection2 = this.GetOutlines(RowOrColumn.Column);
				bool flag10 = outlineCollection2 != null;
				if (flag10)
				{
					bool flag11 = head.outlines == null;
					if (flag11)
					{
						head.outlines = new RGXmlOutlineList();
					}
					head.outlines.colOutlines = new List<RGXmlOutline>();
					action(outlineCollection2, head.outlines.colOutlines);
				}
			}
			bool flag12 = this.registeredNamedRanges.Count > 0;
			if (flag12)
			{
				head.namedRanges = new List<RGXmlNamedRange>();
				head.namedRanges.AddRange(from nr in this.registeredNamedRanges.Values
				select new RGXmlNamedRange
				{
					name = nr.Name,
					comment = nr.Comment,
					address = nr.Position.ToAddress()
				});
			}
			int maxContentRow = this.MaxContentRow;
			int maxContentCol = this.MaxContentCol;
			foreach (RowHeader rowHeader in this.rows)
			{
				bool flag13 = rowHeader.InnerHeight != this.defaultRowHeight || rowHeader.InnerStyle != null || !rowHeader.IsAutoHeight || rowHeader.LastHeight != 0 || !string.IsNullOrEmpty(rowHeader.Text) || rowHeader.TextColor != null;
				WorksheetRangeStyle worksheetRangeStyle = StyleUtility.DistinctStyle(rowHeader.InnerStyle, this.RootStyle);
				bool flag14 = flag13 || worksheetRangeStyle != null;
				if (flag14)
				{
                    rgxmlSheet.rows.Add(new RGXmlRowHead
					{
						row = rowHeader.Row,
						height = rowHeader.InnerHeight,
						lastHeight = ((rowHeader.LastHeight == 0) ? null : rowHeader.LastHeight.ToString()),
						autoHeight = (rowHeader.IsAutoHeight ? null : TextFormatHelper.EncodeBool(rowHeader.IsAutoHeight)),
						text = (string.IsNullOrEmpty(rowHeader.Text) ? null : rowHeader.Text),
						textColor = ((rowHeader.TextColor == null) ? null : TextFormatHelper.EncodeColor(rowHeader.TextColor.Value)),
						style = StyleUtility.ConvertToXmlStyle(worksheetRangeStyle)
					});
				}
			}
			foreach (ColumnHeader columnHeader in this.cols)
			{
				bool flag15 = columnHeader.InnerWidth != this.defaultColumnWidth || columnHeader.InnerStyle != null || !columnHeader.IsAutoWidth || columnHeader.LastWidth != 0 || !string.IsNullOrEmpty(columnHeader.Text) || columnHeader.TextColor != null || columnHeader.DefaultCellBody != null;
				WorksheetRangeStyle worksheetRangeStyle2 = StyleUtility.DistinctStyle(columnHeader.InnerStyle, this.RootStyle);
				bool flag16 = flag15 || worksheetRangeStyle2 != null;
				if (flag16)
				{
                    rgxmlSheet.cols.Add(new RGXmlColHead
					{
						col = columnHeader.Col,
						width = columnHeader.InnerWidth,
						lastWidth = ((columnHeader.LastWidth == 0) ? null : columnHeader.LastWidth.ToString()),
						autoWidth = (columnHeader.IsAutoWidth ? null : TextFormatHelper.EncodeBool(columnHeader.IsAutoWidth)),
						text = (string.IsNullOrEmpty(columnHeader.Text) ? null : columnHeader.Text),
						textColor = ((columnHeader.TextColor == null) ? null : TextFormatHelper.EncodeColor(columnHeader.TextColor.Value)),
						style = StyleUtility.ConvertToXmlStyle(worksheetRangeStyle2),
						defaultCellBody = ((columnHeader.DefaultCellBody == null) ? null : columnHeader.DefaultCellBody.FullName)
					});
				}
			}
			for (int i = 0; i <= maxContentRow + 1; i++)
			{
				int j = 0;
				while (j <= maxContentCol)
				{
					ReoGridHBorder reoGridHBorder = this.hBorders[i, j];
					bool flag17 = reoGridHBorder != null && reoGridHBorder.Span > 0 && reoGridHBorder.Style != null && reoGridHBorder.Style.Style > BorderLineStyle.None;
					if (flag17)
					{
                        rgxmlSheet.hborder.Add(new RGXmlHBorder(i, j, reoGridHBorder.Span, reoGridHBorder.Style, reoGridHBorder.Pos));
						j += reoGridHBorder.Span;
					}
					else
					{
						j++;
					}
				}
			}
			for (int k = 0; k <= maxContentCol + 1; k++)
			{
				int l = 0;
				while (l <= maxContentRow)
				{
					ReoGridVBorder reoGridVBorder = this.vBorders[l, k];
					bool flag18 = reoGridVBorder != null && reoGridVBorder.Span > 0 && reoGridVBorder.Style != null && reoGridVBorder.Style.Style > BorderLineStyle.None;
					if (flag18)
					{
                        rgxmlSheet.vborder.Add(new RGXmlVBorder(l, k, reoGridVBorder.Span, reoGridVBorder.Style, reoGridVBorder.Pos));
						l += reoGridVBorder.Span;
					}
					else
					{
						l++;
					}
				}
			}
			this.cells.Iterate(0, 0, maxContentRow + 1, maxContentCol + 1, true, delegate(int r, int c, Cell cell)
			{
				bool flag19 = cell.IsValidCell || cell.IsStartMergedCell;
				if (flag19)
				{
					bool flag20 = false;
					bool flag21 = cell.InnerData != null || cell.Rowspan > 1 || cell.Colspan > 1 || cell.body != null;
					if (flag21)
					{
						flag20 = true;
					}
					RGXmlCellStyle rgxmlCellStyle = null;
					bool flag22 = cell.StyleParentKind == StyleParentKind.Own;
					if (flag22)
					{
						rgxmlCellStyle = StyleUtility.ConvertToXmlStyle(StyleUtility.CheckAndRemoveCellStyle(this, cell));
						bool flag23 = rgxmlCellStyle != null;
						if (flag23)
						{
							flag20 = true;
						}
					}
					RGXmlCellDataFormatArgs rgxmlCellDataFormatArgs = null;
					bool flag24 = cell.DataFormat > CellDataFormatFlag.General;
					if (flag24)
					{
						flag20 = true;
						switch (cell.DataFormat)
						{
						case CellDataFormatFlag.Number:
						{
							NumberDataFormatter.NumberFormatArgs numberFormatArgs = (NumberDataFormatter.NumberFormatArgs)cell.DataFormatArgs;
							rgxmlCellDataFormatArgs = new RGXmlCellDataFormatArgs();
							rgxmlCellDataFormatArgs.decimalPlaces = numberFormatArgs.DecimalPlaces.ToString();
							rgxmlCellDataFormatArgs.negativeStyle = XmlFileFormatHelper.EncodeNegativeNumberStyle(numberFormatArgs.NegativeStyle);
							rgxmlCellDataFormatArgs.useSeparator = TextFormatHelper.EncodeBool(numberFormatArgs.UseSeparator);
							break;
						}
						case CellDataFormatFlag.DateTime:
						{
							DateTimeDataFormatter.DateTimeFormatArgs dateTimeFormatArgs = (DateTimeDataFormatter.DateTimeFormatArgs)cell.DataFormatArgs;
							rgxmlCellDataFormatArgs = new RGXmlCellDataFormatArgs();
							rgxmlCellDataFormatArgs.culture = dateTimeFormatArgs.CultureName;
							rgxmlCellDataFormatArgs.pattern = dateTimeFormatArgs.Format;
							break;
						}
						case CellDataFormatFlag.Percent:
						{
							NumberDataFormatter.NumberFormatArgs numberFormatArgs2 = (NumberDataFormatter.NumberFormatArgs)cell.DataFormatArgs;
							rgxmlCellDataFormatArgs = new RGXmlCellDataFormatArgs();
							rgxmlCellDataFormatArgs.decimalPlaces = numberFormatArgs2.DecimalPlaces.ToString();
							break;
						}
						case CellDataFormatFlag.Currency:
						{
							CurrencyDataFormatter.CurrencyFormatArgs currencyFormatArgs = (CurrencyDataFormatter.CurrencyFormatArgs)cell.DataFormatArgs;
							rgxmlCellDataFormatArgs = new RGXmlCellDataFormatArgs();
							rgxmlCellDataFormatArgs.decimalPlaces = currencyFormatArgs.DecimalPlaces.ToString();
							rgxmlCellDataFormatArgs.culture = currencyFormatArgs.CultureEnglishName;
							rgxmlCellDataFormatArgs.negativeStyle = XmlFileFormatHelper.EncodeNegativeNumberStyle(currencyFormatArgs.NegativeStyle);
							rgxmlCellDataFormatArgs.pattern = currencyFormatArgs.PrefixSymbol + "," + currencyFormatArgs.PostfixSymbol;
							break;
						}
						}
					}
					bool flag25 = flag20;
					if (flag25)
					{
						RGXmlCell rgxmlCell = new RGXmlCell
						{
							row = r,
							col = c,
							colspan = ((cell.Colspan == 1) ? null : cell.Colspan.ToString()),
							rowspan = ((cell.Rowspan == 1) ? null : cell.Rowspan.ToString()),
							style = rgxmlCellStyle,
							dataFormat = XmlFileFormatHelper.EncodeCellDataFormat(cell.DataFormat),
							dataFormatArgs = ((rgxmlCellDataFormatArgs == null || rgxmlCellDataFormatArgs.IsEmpty) ? null : rgxmlCellDataFormatArgs),
							@readonly = ((!cell.IsReadOnly) ? null : TextFormatHelper.EncodeBool(cell.IsReadOnly)),
							bodyType = ((cell.body == null) ? null : cell.body.GetType().Name),
							tracePrecedents = (cell.TraceFormulaPrecedents ? TextFormatHelper.EncodeBool(cell.TraceFormulaPrecedents) : null),
							traceDependents = (cell.TraceFormulaDependents ? TextFormatHelper.EncodeBool(cell.TraceFormulaDependents) : null)
						};
						bool flag26 = cell.HasFormula || !(cell.InnerData is bool);
						if (flag26)
						{
							rgxmlCell.data = Convert.ToString(cell.InnerData);
							RGXmlCell rgxmlCell2 = rgxmlCell;
							object formula;
							if (!cell.HasFormula)
							{
								formula = null;
							}
							else
							{
                                ((RGXmlCellFormual)(formula = new RGXmlCellFormual())).val = cell.InnerFormula;
							}
							rgxmlCell2.formula = (RGXmlCellFormual)formula;
						}
						else
						{
							bool flag27 = cell.InnerData is bool;
							if (flag27)
							{
								rgxmlCell.formula = new RGXmlCellFormual
								{
									val = (((bool)cell.InnerData) ? "True" : "False")
								};
							}
						}
						bool flag28 = cell.body != null;
						if (flag28)
						{
							bool flag29 = cell.body is ImageCell;
							if (flag29)
							{
								ImageCell imageCell = (ImageCell)cell.body;
								using (MemoryStream memoryStream = new MemoryStream(4096))
								{
									Image image = ((ImageCell)cell.body).Image;
									image.SaveToStream(ImageFormat.Png, memoryStream);
									rgxmlCell.data = "image/png," + Convert.ToBase64String(memoryStream.ToArray());
								}
							}
							else
							{
								string text2;
								bool flag30 = RGFPersistenceProvider.CustomBodyTypeIdentifiers.TryGetValue(cell.body.GetType(), out text2);
								if (flag30)
								{
									RGFCustomBodyHandler rgfcustomBodyHandler;
									bool flag31 = RGFPersistenceProvider.CustomBodyTypeHandlers.TryGetValue(text2, out rgfcustomBodyHandler);
									if (flag31)
									{
										rgxmlCell.bodyType = text2;
										rgxmlCell.data = rgfcustomBodyHandler.SaveData(cell);
									}
								}
							}
						}
                        rgxmlSheet.cells.Add(rgxmlCell);
					}
				}
				return 1;
			});
			XmlSerializer xmlSerializer = new XmlSerializer(typeof(RGXmlSheet));
			xmlSerializer.Serialize(s, rgxmlSheet);
			return true;
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<FileSavedEventArgs> FileSaved;

		internal void InitViewportController()
		{
			this.viewportController = new NormalViewportController(this);
		}

		internal IControlAdapter ControlAdapter
		{
			get
			{
				return this.controlAdapter;
			}
			set
			{
				this.controlAdapter = value;
				bool flag = this.controlAdapter == null;
				if (flag)
				{
					this.viewportController = null;
				}
				else
				{
					bool flag2 = this.viewportController == null;
					if (flag2)
					{
						this.InitViewportController();
					}
				}
			}
		}

		public IWorkbook Workbook
		{
			get
			{
				return this.workbook;
			}
		}

		private void CheckWorkbookAssociated()
		{
			bool flag = this.workbook == null;
			if (flag)
			{
				throw new InvalidOperationException("Worksheet is not associated to any workbook. Add it into workbook firstly.");
			}
		}

		public string Name
		{
			get
			{
				return this.name;
			}
			set
			{
				bool flag = string.IsNullOrEmpty(value);
				if (flag)
				{
					throw new ArgumentNullException("cannot set worksheet's name to null or empty.");
				}
				bool flag2 = this.name == value;
				if (!flag2)
				{
					bool flag3 = this.workbook != null;
					if (flag3)
					{
						this.workbook.ValidateWorksheetName(value);
						value = this.workbook.NotifyWorksheetNameChange(this, value);
					}
					this.name = value;
					bool flag4 = this.NameChanged != null;
					if (flag4)
					{
						this.NameChanged(this, null);
					}
					bool flag5 = this.workbook != null;
					if (flag5)
					{
						this.workbook.RaiseWorksheetNameChangedEvent(this);
					}
				}
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler NameChanged;

		public Color NameBackColor
		{
			get
			{
				return this.nameBackColor;
			}
			set
			{
				this.nameBackColor = value;
				this.OnNameBackColorChanged();
			}
		}

		public Color NameTextColor
		{
			get
			{
				return this.nameTextColor;
			}
			set
			{
				this.nameTextColor = value;
				this.OnNameTextColorChanged();
			}
		}

		internal void OnNameBackColorChanged()
		{
			bool flag = this.workbook != null;
			if (flag)
			{
				this.workbook.RaiseWorksheetNameBackColorChangedEvent(this);
			}
		}

		internal void OnNameTextColorChanged()
		{
			bool flag = this.workbook != null;
			if (flag)
			{
				this.workbook.RaiseWorksheetNameTextColorChangedEvent(this);
			}
		}

		internal Worksheet(Workbook workbook, string name) : this(workbook, name, 200, 100)
		{
		}

		internal Worksheet(Workbook workbook, string name, int rows, int cols)
		{
			float num = -1f;
			float num2 = -1f;
			this.lastMouseMoving = new Point(ref num, ref num2);
			this.lastChangedSelectionRange = RangePosition.Empty;
			this.draggingSelectionRange = RangePosition.Empty;
			this.focusMovingRangeOffset = CellPosition.Empty;
			this.waitingEndDirection = false;
			this.indentSize = 8f;
			this.workbook = workbook;
			this.name = name;
			this.ControlAdapter = workbook.controlAdapter;
			this.InitGrid(rows, cols);
		}

		public FreezeArea FreezeArea { get; private set; }

		public CellPosition FreezePos { get; private set; }

		public void FreezeToCell(CellPosition pos)
		{
			this.FreezeToCell(pos.Row, pos.Col);
		}

		public void FreezeToCell(string address)
		{
			bool flag = CellPosition.IsValidAddress(address);
			if (flag)
			{
				this.FreezeToCell(new CellPosition(address));
			}
			else
			{
				RangePosition rangePosition;
				bool flag2 = this.TryGetNamedRangePosition(address, out rangePosition);
				if (!flag2)
				{
					throw new InvalidAddressException(address);
				}
				this.FreezeToCell(rangePosition.StartPos);
			}
		}

		public void FreezeToCell(CellPosition pos, FreezeArea area)
		{
			this.FreezeToCell(pos.Row, pos.Col, area);
		}

		public void FreezeToCell(int row, int col)
		{
			bool flag = row < 0 || col < 0 || row >= this.rows.Count || col >= this.cols.Count;
			if (!flag)
			{
				this.FreezeToCell(row, col, FreezeArea.LeftTop);
			}
		}

		public void FreezeToCell(int row, int col, FreezeArea area)
		{
			bool flag = this.viewportController != null;
			if (flag)
			{
				this.viewportController.Bounds = this.controlAdapter.GetContainerBounds();
			}
			bool flag2 = this.viewportController is IFreezableViewportController;
			if (flag2)
			{
				bool flag3 = area == FreezeArea.None;
				if (flag3)
				{
					row = 0;
					col = 0;
				}
				else
				{
					bool flag4 = area == FreezeArea.Left;
					if (flag4)
					{
						row = 0;
						area = FreezeArea.LeftTop;
					}
					else
					{
						bool flag5 = area == FreezeArea.Right;
						if (flag5)
						{
							row = 0;
							area = FreezeArea.RightTop;
						}
						else
						{
							bool flag6 = area == FreezeArea.Top;
							if (flag6)
							{
								col = 0;
								area = FreezeArea.LeftTop;
							}
							else
							{
								bool flag7 = area == FreezeArea.Bottom;
								if (flag7)
								{
									col = 0;
									area = FreezeArea.LeftBottom;
								}
							}
						}
					}
				}
			}
			this.FreezePos = new CellPosition(row, col);
			this.FreezeArea = area;
			IFreezableViewportController freezableViewportController = this.viewportController as IFreezableViewportController;
			bool flag8 = freezableViewportController != null;
			if (flag8)
			{
				freezableViewportController.Freeze(this.FreezePos, area);
				this.RequestInvalidate();
				bool flag9 = row > 0 || col > 0;
				if (flag9)
				{
					EventHandler cellsFrozen = this.CellsFrozen;
					if (cellsFrozen != null)
					{
						cellsFrozen(this, null);
					}
				}
				else
				{
					EventHandler cellsUnfrozen = this.CellsUnfrozen;
					if (cellsUnfrozen != null)
					{
						cellsUnfrozen(this, null);
					}
				}
			}
		}

		public void Unfreeze()
		{
			this.FreezeToCell(0, 0);
		}

		public bool CanFreeze()
		{
			return this.viewportController is IFreezableViewportController;
		}

		public bool IsFrozen
		{
			get
			{
				return (this.FreezePos.Row > 0 || this.FreezePos.Col > 0) && this.FreezeArea > FreezeArea.None;
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler CellsFrozen;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler CellsUnfrozen;

		public float ScaleFactor
		{
			get
			{
				return this._scaleFactor;
			}
			set
			{
				this.SetScale(value);
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<EventArgs> Scaled;

		public void SetScale(float factor)
		{
			bool flag = this.currentEditingCell != null;
			if (flag)
			{
				this.EndEdit(EndEditReason.NormalFinish);
			}
			bool flag2 = this.controlAdapter == null;
			if (flag2)
			{
				bool flag3 = factor < Worksheet.minScaleFactor;
				if (flag3)
				{
					factor = Worksheet.minScaleFactor;
				}
				bool flag4 = factor > Worksheet.maxScaleFactor;
				if (flag4)
				{
					factor = Worksheet.maxScaleFactor;
				}
			}
			else
			{
				bool flag5 = factor < this.controlAdapter.MinScale;
				if (flag5)
				{
					factor = this.controlAdapter.MinScale;
				}
				bool flag6 = factor > this.controlAdapter.MaxScale;
				if (flag6)
				{
					factor = this.controlAdapter.MaxScale;
				}
			}
			bool flag7 = this._scaleFactor != factor;
			if (flag7)
			{
				this._scaleFactor = factor;
				bool flag8 = this.controlAdapter == null;
				if (flag8)
				{
					this.renderScaleFactor = this._scaleFactor;
				}
				else
				{
					this.renderScaleFactor = this.controlAdapter.BaseScale + this._scaleFactor;
				}
				IScalableViewportController scalableViewportController = this.viewportController as IScalableViewportController;
				bool flag9 = scalableViewportController != null;
				if (flag9)
				{
					scalableViewportController.ScaleFactor = this.renderScaleFactor;
				}
				IViewportController viewportController = this.viewportController;
				if (viewportController != null)
				{
					viewportController.UpdateController();
				}
				EventHandler<EventArgs> scaled = this.Scaled;
				if (scaled != null)
				{
					scaled(this, null);
				}
			}
		}

		public void ZoomIn()
		{
			this.SetScale(this._scaleFactor + 0.1f);
		}

		public void ZoomOut()
		{
			this.SetScale(this._scaleFactor - 0.1f);
		}

		public void ZoomReset()
		{
			this.SetScale(1f);
		}

		public object this[CellPosition pos]
		{
			get
			{
				return this[pos.Row, pos.Col];
			}
			set
			{
				this[pos.Row, pos.Col] = value;
			}
		}

		public object this[int row, int col]
		{
			get
			{
				Cell cell = this.GetCell(row, col);
				return (cell == null) ? null : cell.InnerData;
			}
			set
			{
				this.SetCellData(row, col, value);
			}
		}

		public object this[int row, int col, int rows, int cols]
		{
			get
			{
				return this[new RangePosition(row, col, rows, cols)];
			}
			set
			{
				this[new RangePosition(row, col, rows, cols)] = value;
			}
		}

		public object this[RangePosition range]
		{
			get
			{
				return this.GetRangeData(range);
			}
			set
			{
				this.SetRangeData(range, value);
			}
		}

		public object this[string addressOrName]
		{
			get
			{
				bool flag = CellPosition.IsValidAddress(addressOrName);
				object result;
				if (flag)
				{
					result = this[new CellPosition(addressOrName)];
				}
				else
				{
					bool flag2 = RangePosition.IsValidAddress(addressOrName);
					if (flag2)
					{
						result = this[new RangePosition(addressOrName)];
					}
					else
					{
						NamedRange refRange;
						bool flag3 = this.registeredNamedRanges.TryGetValue(addressOrName, out refRange);
						if (!flag3)
						{
							throw new InvalidAddressException(addressOrName);
						}
						result = this[refRange];
					}
				}
				return result;
			}
			set
			{
				bool flag = CellPosition.IsValidAddress(addressOrName);
				if (flag)
				{
					this[new CellPosition(addressOrName)] = value;
				}
				else
				{
					bool flag2 = RangePosition.IsValidAddress(addressOrName);
					if (flag2)
					{
						this[new RangePosition(addressOrName)] = value;
					}
					else
					{
						NamedRange refRange;
						bool flag3 = this.registeredNamedRanges.TryGetValue(addressOrName, out refRange);
						if (!flag3)
						{
							throw new InvalidAddressException(addressOrName);
						}
						this[refRange] = value;
					}
				}
			}
		}

		internal object this[Cell cell]
		{
			get
			{
				return cell.InnerData;
			}
			set
			{
				this.SetSingleCellData(cell, value);
			}
		}

		public Cell CreateAndGetCell(string address)
		{
			return CellPosition.IsValidAddress(address) ? this.CreateAndGetCell(new CellPosition(address)) : null;
		}

		public Cell CreateAndGetCell(CellPosition pos)
		{
			return this.CreateAndGetCell(pos.Row, pos.Col);
		}

		public Cell CreateAndGetCell(int row, int col)
		{
			Cell cell = this.cells[row, col];
			bool flag = cell == null;
			if (flag)
			{
				cell = this.CreateCell(row, col, true);
			}
			return cell;
		}

		internal Cell CreateCell(int row, int col, bool updateStyle = true)
		{
			Cell cell = new Cell(this)
			{
				InternalRow = row,
				InternalCol = col,
				Colspan = 1,
				Rowspan = 1,
				Bounds = this.GetCellRectFromHeader(row, col)
			};
			StyleUtility.UpdateCellParentStyle(this, cell);
			this.cells[row, col] = cell;
			ColumnHeader columnHeader = this.cols[col];
			RowHeader rowHeader = this.rows[row];
			bool flag = columnHeader.DefaultCellBody != null;
			if (flag)
			{
				try
				{
					cell.Body = (Activator.CreateInstance(columnHeader.DefaultCellBody) as ICellBody);
				}
				catch (Exception inner)
				{
					throw new CannotCreateCellBodyException("Cannot create instance of default cell body specified in column header.", inner);
				}
			}
			else
			{
				bool flag2 = rowHeader.DefaultCellBody != null;
				if (flag2)
				{
					try
					{
						cell.Body = (Activator.CreateInstance(rowHeader.DefaultCellBody) as ICellBody);
					}
					catch (Exception inner2)
					{
						throw new CannotCreateCellBodyException("Cannot create instance of default cell body specified in row header.", inner2);
					}
				}
			}
			bool flag3 = cell.body != null;
			if (flag3)
			{
				cell.body.OnSetup(cell);
			}
			if (updateStyle)
			{
				StyleUtility.UpdateCellRenderAlign(this, cell);
				this.UpdateCellFont(cell, UpdateFontReason.FontChanged);
			}
			return cell;
		}

		public Cell GetCell(string addressOrName)
		{
			bool flag = CellPosition.IsValidAddress(addressOrName);
			Cell cell;
			if (flag)
			{
				cell = this.GetCell(new CellPosition(addressOrName));
			}
			else
			{
				NamedRange namedRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out namedRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				cell = this.GetCell(namedRange.StartPos);
			}
			return cell;
		}

		public Cell GetCell(CellPosition pos)
		{
			return this.GetCell(pos.Row, pos.Col);
		}

		public Cell GetCell(int row, int col)
		{
			return this.cells[row, col];
		}

		public Cell GetMergedCellOfRange(string address)
		{
			return CellPosition.IsValidAddress(address) ? this.GetMergedCellOfRange(new CellPosition(address)) : null;
		}

		public Cell GetMergedCellOfRange(CellPosition pos)
		{
			return this.GetMergedCellOfRange(pos.Row, pos.Col);
		}

		public Cell GetMergedCellOfRange(int row, int col)
		{
			return this.GetMergedCellOfRange(this.CreateAndGetCell(row, col));
		}

		public Cell GetMergedCellOfRange(Cell cell)
		{
			bool flag = cell == null;
			Cell result;
			if (flag)
			{
				result = null;
			}
			else
			{
				bool insideMergedRange = cell.InsideMergedRange;
				if (insideMergedRange)
				{
					bool isStartMergedCell = cell.IsStartMergedCell;
					if (isStartMergedCell)
					{
						result = cell;
					}
					else
					{
						result = this.CreateAndGetCell(cell.MergeStartPos);
					}
				}
				else
				{
					result = cell;
				}
			}
			return result;
		}

		public RangePosition GetRangeIfMergedCell(CellPosition pos)
		{
			Cell cell = this.cells[pos.Row, pos.Col];
			bool flag = cell == null;
			RangePosition result;
			if (flag)
			{
				result = new RangePosition(pos, pos);
			}
			else
			{
				bool isStartMergedCell = cell.IsStartMergedCell;
				if (isStartMergedCell)
				{
					result = new RangePosition(cell.Row, cell.Column, (int)cell.Rowspan, (int)cell.Colspan);
				}
				else
				{
					bool flag2 = !cell.IsValidCell;
					if (flag2)
					{
						result = this.GetRangeIfMergedCell(cell.MergeStartPos);
					}
					else
					{
						result = new RangePosition(pos, pos);
					}
				}
			}
			return result;
		}

		public bool IsMergedCell(string address)
		{
			return CellPosition.IsValidAddress(address) && this.IsMergedCell(new CellPosition(address));
		}

		public bool IsMergedCell(CellPosition pos)
		{
			return this.IsMergedCell(pos.Row, pos.Col);
		}

		public bool IsMergedCell(RangePosition range)
		{
			Cell cell = this.GetCell(range.StartPos);
			bool flag = cell == null;
			bool result;
			if (flag)
			{
				result = (range.Rows == 1 && range.Cols == 1);
			}
			else
			{
				result = ((int)cell.Rowspan == range.Rows && (int)cell.Colspan == range.Cols);
			}
			return result;
		}

		public bool IsMergedCell(int row, int col)
		{
			Cell cell = this.cells[row, col];
			return cell != null && cell.IsMergedCell;
		}

		public bool IsValidCell(string address)
		{
			return CellPosition.IsValidAddress(address) && this.IsValidCell(new CellPosition(address));
		}

		public bool IsValidCell(CellPosition pos)
		{
			return this.IsValidCell(pos.Row, pos.Col);
		}

		public bool IsValidCell(int row, int col)
		{
			bool flag = row < 0 || col < 0 || row >= this.cells.RowCapacity || col >= this.cells.ColCapacity;
			bool result;
			if (flag)
			{
				result = false;
			}
			else
			{
				Cell cell = this.cells[row, col];
				result = (cell == null || cell.IsValidCell);
			}
			return result;
		}

		public bool IsCellVisible(Cell cell)
		{
			return this.IsCellVisible(cell.InternalPos);
		}

		public bool IsCellVisible(CellPosition pos)
		{
			return this.IsCellVisible(pos.Row, pos.Col);
		}

		public bool IsCellVisible(int row, int col)
		{
			return this.IsRowVisible(row) && this.IsColumnVisible(col);
		}

		public void IterateCells(string addressOrName, Func<int, int, Cell, bool> iterator)
		{
			this.IterateCells(addressOrName, true, iterator);
		}

		public void IterateCells(string addressOrName, bool skipEmptyCells, Func<int, int, Cell, bool> iterator)
		{
			bool flag = RangePosition.IsValidAddress(addressOrName);
			if (flag)
			{
				this.IterateCells(new RangePosition(addressOrName), skipEmptyCells, iterator);
			}
			else
			{
				NamedRange refRange;
				bool flag2 = this.registeredNamedRanges.TryGetValue(addressOrName, out refRange);
				if (!flag2)
				{
					throw new InvalidAddressException(addressOrName);
				}
				this.IterateCells(refRange, skipEmptyCells, iterator);
			}
		}

		public void IterateCells(RangePosition range, Func<int, int, Cell, bool> iterator)
		{
			this.IterateCells(range, true, iterator);
		}

		public void IterateCells(RangePosition range, bool skipEmptyCells, Func<int, int, Cell, bool> iterator)
		{
			RangePosition rangePosition = this.FixRange(range);
			this.IterateCells(rangePosition.Row, rangePosition.Col, rangePosition.Rows, rangePosition.Cols, skipEmptyCells, iterator);
		}

		public void IterateCells(int row, int col, int rows, int cols, bool skipEmptyCells, Func<int, int, Cell, bool> iterator)
		{
			this.cells.Iterate(row, col, rows, cols, skipEmptyCells, delegate(int r, int c, Cell cell)
			{
				int num = (int)((cell == null) ? 1 : cell.Colspan);
				bool flag = num <= 0;
				int result;
				if (flag)
				{
					result = 1;
				}
				else
				{
					bool flag2 = !iterator(r, c, cell);
					if (flag2)
					{
						result = 0;
					}
					else
					{
						result = ((num <= 0) ? 1 : num);
					}
				}
				return result;
			});
		}

		public RangePosition UsedRange
		{
			get
			{
				return RangePosition.FromCellPosition(0, 0, this.MaxContentRow, this.MaxContentCol);
			}
		}

		public int MaxContentRow
		{
			get
			{
				return Math.Min(this.rows.Count - 1, Math.Max(Math.Max(this.cells.MaxRow, Math.Max(this.hBorders.MaxRow - 1, this.vBorders.MaxRow)), this.maxRowHeader + 1));
			}
		}

		public int MaxContentCol
		{
			get
			{
				return Math.Min(this.cols.Count - 1, Math.Max(Math.Max(this.cells.MaxCol, Math.Max(this.hBorders.MaxCol, this.vBorders.MaxCol - 1)), this.maxColumnHeader + 1));
			}
		}

		public Worksheet.CellCollection Cells
		{
			get
			{
				bool flag = this.cellCollection == null;
				if (flag)
				{
					this.cellCollection = new Worksheet.CellCollection(this);
				}
				return this.cellCollection;
			}
		}

		internal void OnMouseWheel(Point location, int delta, MouseButtons buttons, InputModifiers modifiers)
		{
			this.waitingEndDirection = false;
			bool flag = modifiers.HasFlag(InputModifiers.Control);
			if (flag)
			{
				bool flag2 = this.HasSettings(WorksheetSettings.Behavior_MouseWheelToZoom);
				if (flag2)
				{
					this.SetScale(this.ScaleFactor + 0.001f * (float)delta);
				}
			}
			else
			{
				bool flag3 = !this.selStart.IsEmpty;
				if (flag3)
				{
					Cell cell = this.cells[this.selStart.Row, this.selStart.Col];
					float num = this.renderScaleFactor;
					Rect cellBounds = this.GetCellBounds(this.selStart);
					cellBounds.X *= num;
					cellBounds.Y *= num;
					cellBounds.Width *= num;
					cellBounds.Height *= num;
					float num2 = location.X - cellBounds.X;
					float num3 = location.Y - cellBounds.Y;
					Point relativePosition = new Point(ref num2, ref num3);
					CellMouseEventArgs e = new CellMouseEventArgs(this, cell, this.selStart, relativePosition, location, buttons, 0)
					{
						Delta = delta,
						CellPosition = this.selStart
					};
					bool flag4 = cell != null && cell.body != null;
					if (flag4)
					{
						cell.body.OnMouseWheel(e);
					}
				}
				bool flag5 = this.controlAdapter != null && this.HasSettings(WorksheetSettings.Behavior_MouseWheelToScroll);
				if (flag5)
				{
					IScrollableViewportController scrollableViewportController = this.viewportController as IScrollableViewportController;
					bool flag6 = scrollableViewportController != null;
					if (flag6)
					{
						bool flag7 = modifiers.HasFlag(InputModifiers.Shift);
						if (flag7)
						{
							scrollableViewportController.ScrollOffsetViews(ScrollDirection.Horizontal, (float)(-(float)delta), 0f);
						}
						else
						{
							scrollableViewportController.ScrollOffsetViews(ScrollDirection.Vertical, 0f, (float)(-(float)delta));
						}
					}
				}
			}
		}

		internal bool IgnoreMouseDoubleClick { get; set; }

		internal void OnMouseDoubleClick(Point location, MouseButtons buttons)
		{
			bool flag = this.viewportController != null && !this.IgnoreMouseDoubleClick && this.selectionMode > WorksheetSelectionMode.None;
			if (flag)
			{
				this.viewportController.OnMouseDoubleClick(location, buttons);
			}
			this.IgnoreMouseDoubleClick = false;
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<CellMouseEventArgs> CellMouseEnter;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<CellMouseEventArgs> CellMouseLeave;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<CellMouseEventArgs> CellMouseMove;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<CellMouseEventArgs> CellMouseDown;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<CellMouseEventArgs> CellMouseUp;

		internal bool HasCellMouseDown
		{
			get
			{
				return this.CellMouseDown != null;
			}
		}

		internal void RaiseCellMouseDown(CellMouseEventArgs args)
		{
			bool flag = this.CellMouseDown != null;
			if (flag)
			{
				this.CellMouseDown(this, args);
			}
		}

		internal bool HasCellMouseUp
		{
			get
			{
				return this.CellMouseUp != null;
			}
		}

		internal void RaiseCellMouseUp(CellMouseEventArgs args)
		{
			bool flag = this.CellMouseUp != null;
			if (flag)
			{
				this.CellMouseUp(this, args);
			}
		}

		internal bool HasCellMouseMove
		{
			get
			{
				return this.CellMouseMove != null;
			}
		}

		internal void RaiseCellMouseMove(CellMouseEventArgs args)
		{
			bool flag = this.CellMouseMove != null;
			if (flag)
			{
				this.CellMouseMove(this, args);
			}
		}

		internal void RaiseSelectionRangeChanged(RangeEventArgs args)
		{
			EventHandler<RangeEventArgs> selectionRangeChanged = this.SelectionRangeChanged;
			if (selectionRangeChanged != null)
			{
				selectionRangeChanged(this, args);
			}
		}

		public IUserVisual FocusVisual
		{
			get
			{
				IViewportController viewportController = this.viewportController;
				return (viewportController != null) ? viewportController.FocusVisual : null;
			}
		}

		internal bool OnKeyDown(KeyCode keyData)
		{
			bool flag = !this.FocusPos.IsEmpty && this.BeforeCellKeyDown != null;
			if (flag)
			{
				BeforeCellKeyDownEventArgs beforeCellKeyDownEventArgs = new BeforeCellKeyDownEventArgs
				{
					Cell = this.GetCell(this.selStart),
					CellPosition = this.selStart,
					KeyCode = keyData
				};
				this.BeforeCellKeyDown(this, beforeCellKeyDownEventArgs);
				bool isCancelled = beforeCellKeyDownEventArgs.IsCancelled;
				if (isCancelled)
				{
					return true;
				}
			}
			bool flag2 = false;
			bool flag3 = !this.IsEditing && !this.selStart.IsEmpty;
			if (flag3)
			{
				Cell cell = this.cells[this.selStart.Row, this.selStart.Col];
				bool flag4 = cell != null && cell.body != null;
				if (flag4)
				{
					flag2 = cell.body.OnKeyDown(keyData);
					bool flag5 = flag2;
					if (flag5)
					{
						this.RequestInvalidate();
					}
				}
			}
			bool flag6 = this.waitingEndDirection;
			bool flag7 = keyData != (KeyCode.ShiftKey | KeyCode.Shift) && keyData != (KeyCode.LButton | KeyCode.ShiftKey | KeyCode.Control);
			if (flag7)
			{
				this.waitingEndDirection = false;
			}
			bool flag8 = !flag2;
			if (flag8)
			{
				flag2 = true;
				if (keyData <= (KeyCode.LButton | KeyCode.MButton | KeyCode.Back | KeyCode.Shift))
				{
					if (keyData <= KeyCode.Delete)
					{
						if (keyData <= KeyCode.Tab)
						{
							if (keyData == KeyCode.Back)
							{
								bool flag9 = !this.selStart.IsEmpty;
								if (flag9)
								{
									this.StartEdit(this.selStart);
									this.controlAdapter.SetEditControlText(string.Empty);
								}
								goto IL_7D2;
							}
							if (keyData != KeyCode.Tab)
							{
								goto IL_7CE;
							}
							this.OnTabKeyPressed(false);
							goto IL_7D2;
						}
						else
						{
							if (keyData == KeyCode.Enter)
							{
								this.OnEnterKeyPressed(false);
								goto IL_7D2;
							}
							switch (keyData)
							{
							case KeyCode.Prior:
								this.MoveSelectionPageUp(false);
								goto IL_7D2;
							case KeyCode.Next:
								this.MoveSelectionPageDown(false);
								goto IL_7D2;
							case KeyCode.End:
								break;
							case KeyCode.Home:
								this.MoveSelectionHome(RowOrColumn.Column, false);
								goto IL_7D2;
							case KeyCode.Left:
							{
								bool flag10 = flag6;
								if (flag10)
								{
									this.MoveSelectionHome(RowOrColumn.Column, false);
								}
								else
								{
									this.MoveSelectionLeft(false);
								}
								goto IL_7D2;
							}
							case KeyCode.Up:
							{
								bool flag11 = flag6;
								if (flag11)
								{
									this.MoveSelectionHome(RowOrColumn.Row, false);
								}
								else
								{
									this.MoveSelectionUp(false);
								}
								goto IL_7D2;
							}
							case KeyCode.Right:
							{
								bool flag12 = flag6;
								if (flag12)
								{
									this.MoveSelectionEnd(RowOrColumn.Column, false);
								}
								else
								{
									this.MoveSelectionRight(false);
								}
								goto IL_7D2;
							}
							case KeyCode.Down:
							{
								bool flag13 = flag6;
								if (flag13)
								{
									this.MoveSelectionEnd(RowOrColumn.Row, false);
								}
								else
								{
									this.MoveSelectionDown(false);
								}
								goto IL_7D2;
							}
							case KeyCode.Select:
							case KeyCode.Print:
							case KeyCode.Execute:
							case KeyCode.PrintScreen:
							case KeyCode.Insert:
								goto IL_7CE;
							case KeyCode.Delete:
							{
								bool flag14 = this.controlAdapter != null && !this.HasSettings(WorksheetSettings.Edit_Readonly);
								if (flag14)
								{
									IActionControl actionControl = this.controlAdapter.ControlInstance as IActionControl;
									bool flag15 = actionControl != null;
									if (flag15)
									{
										actionControl.DoAction(this, new RemoveRangeDataAction(this.selectionRange));
									}
								}
								goto IL_7D2;
							}
							default:
								goto IL_7CE;
							}
						}
					}
					else if (keyData <= KeyCode.F4)
					{
						if (keyData == KeyCode.F2)
						{
							this.StartEdit();
							goto IL_7D2;
						}
						if (keyData != KeyCode.F4)
						{
							goto IL_7CE;
						}
						bool flag16 = this.controlAdapter != null;
						if (flag16)
						{
							IActionControl actionControl2 = this.controlAdapter.ControlInstance as IActionControl;
							bool flag17 = actionControl2 != null;
							if (flag17)
							{
								actionControl2.RepeatLastAction(this.selectionRange);
							}
						}
						goto IL_7D2;
					}
					else
					{
						if (keyData == (KeyCode.LButton | KeyCode.Back | KeyCode.Shift))
						{
							this.OnTabKeyPressed(true);
							goto IL_7D2;
						}
						if (keyData != (KeyCode.LButton | KeyCode.MButton | KeyCode.Back | KeyCode.Shift))
						{
							goto IL_7CE;
						}
						this.OnEnterKeyPressed(true);
						goto IL_7D2;
					}
				}
				else if (keyData <= (KeyCode)131137)
				{
					if (keyData <= (KeyCode.Back | KeyCode.Space | KeyCode.Control))
					{
						switch (keyData)
						{
						case KeyCode.LButton | KeyCode.Space | KeyCode.Shift:
							this.MoveSelectionPageUp(true);
							goto IL_7D2;
						case KeyCode.RButton | KeyCode.Space | KeyCode.Shift:
							this.MoveSelectionPageDown(true);
							goto IL_7D2;
						case KeyCode.LButton | KeyCode.RButton | KeyCode.Space | KeyCode.Shift:
							break;
						case KeyCode.MButton | KeyCode.Space | KeyCode.Shift:
							this.MoveSelectionHome(RowOrColumn.Column, true);
							goto IL_7D2;
						case KeyCode.LButton | KeyCode.MButton | KeyCode.Space | KeyCode.Shift:
						{
							bool flag18 = this.selectionMode != WorksheetSelectionMode.None && this.selEnd.Col > 0;
							if (flag18)
							{
								bool flag19 = flag6;
								if (flag19)
								{
									this.MoveSelectionHome(RowOrColumn.Column, true);
								}
								else
								{
									this.MoveSelectionLeft(true);
								}
							}
							goto IL_7D2;
						}
						case KeyCode.RButton | KeyCode.MButton | KeyCode.Space | KeyCode.Shift:
						{
							bool flag20 = this.selectionMode != WorksheetSelectionMode.None && this.selEnd.Row > 0;
							if (flag20)
							{
								bool flag21 = flag6;
								if (flag21)
								{
									this.MoveSelectionHome(RowOrColumn.Row, true);
								}
								else
								{
									this.MoveSelectionUp(true);
								}
							}
							goto IL_7D2;
						}
						case KeyCode.LButton | KeyCode.RButton | KeyCode.MButton | KeyCode.Space | KeyCode.Shift:
						{
							bool flag22 = this.selectionMode != WorksheetSelectionMode.None && this.selEnd.Col < this.cols.Count - 1;
							if (flag22)
							{
								bool flag23 = flag6;
								if (flag23)
								{
									this.MoveSelectionEnd(RowOrColumn.Column, true);
								}
								else
								{
									this.MoveSelectionRight(true);
								}
							}
							goto IL_7D2;
						}
						case KeyCode.Back | KeyCode.Space | KeyCode.Shift:
						{
							bool flag24 = this.selectionMode != WorksheetSelectionMode.None && this.selEnd.Row < this.rows.Count - 1;
							if (flag24)
							{
								bool flag25 = flag6;
								if (flag25)
								{
									this.MoveSelectionEnd(RowOrColumn.Row, true);
								}
								else
								{
									this.MoveSelectionDown(true);
								}
							}
							goto IL_7D2;
						}
						default:
							switch (keyData)
							{
							case KeyCode.LButton | KeyCode.RButton | KeyCode.Space | KeyCode.Control:
								this.MoveSelectionEnd(RowOrColumn.Both, false);
								goto IL_7D2;
							case KeyCode.MButton | KeyCode.Space | KeyCode.Control:
								this.MoveSelectionHome(RowOrColumn.Both, false);
								goto IL_7D2;
							case KeyCode.LButton | KeyCode.MButton | KeyCode.Space | KeyCode.Control:
								this.MoveSelectionHome(RowOrColumn.Column, false);
								goto IL_7D2;
							case KeyCode.RButton | KeyCode.MButton | KeyCode.Space | KeyCode.Control:
								this.MoveSelectionHome(RowOrColumn.Row, false);
								goto IL_7D2;
							case KeyCode.LButton | KeyCode.RButton | KeyCode.MButton | KeyCode.Space | KeyCode.Control:
								this.MoveSelectionEnd(RowOrColumn.Column, false);
								goto IL_7D2;
							case KeyCode.Back | KeyCode.Space | KeyCode.Control:
								this.MoveSelectionEnd(RowOrColumn.Row, false);
								goto IL_7D2;
							default:
								goto IL_7CE;
							}
							break;
						}
					}
					else
					{
						if (keyData == (KeyCode.ShiftKey | KeyCode.Space | KeyCode.Control))
						{
							bool flag26 = this.HasSettings(WorksheetSettings.Behavior_ShortcutKeyToZoom);
							if (flag26)
							{
								this.ZoomReset();
							}
							goto IL_7D2;
						}
						if (keyData != (KeyCode)131137)
						{
							goto IL_7CE;
						}
						this.SelectAll();
						goto IL_7D2;
					}
				}
				else if (keyData <= (KeyCode)131162)
				{
					if (keyData == (KeyCode)131139)
					{
						this.Copy();
						goto IL_7D2;
					}
					switch (keyData)
					{
					case (KeyCode)131158:
						this.Paste();
						goto IL_7D2;
					case (KeyCode)131159:
						goto IL_7CE;
					case (KeyCode)131160:
						this.Cut(true);
						goto IL_7D2;
					case (KeyCode)131161:
					{
						bool flag27 = this.controlAdapter != null && !this.HasSettings(WorksheetSettings.Edit_Readonly);
						if (flag27)
						{
							IActionControl actionControl3 = this.controlAdapter.ControlInstance as IActionControl;
							bool flag28 = actionControl3 != null;
							if (flag28)
							{
								actionControl3.Redo();
							}
						}
						goto IL_7D2;
					}
					case (KeyCode)131162:
					{
						bool flag29 = this.controlAdapter != null && !this.HasSettings(WorksheetSettings.Edit_Readonly);
						if (flag29)
						{
							IActionControl actionControl4 = this.controlAdapter.ControlInstance as IActionControl;
							bool flag30 = actionControl4 != null;
							if (flag30)
							{
								actionControl4.Undo();
							}
						}
						goto IL_7D2;
					}
					default:
						goto IL_7CE;
					}
				}
				else
				{
					if (keyData == (KeyCode.LButton | KeyCode.RButton | KeyCode.Back | KeyCode.ShiftKey | KeyCode.Space | KeyCode.F17 | KeyCode.Control))
					{
						bool flag31 = this.HasSettings(WorksheetSettings.Behavior_ShortcutKeyToZoom);
						if (flag31)
						{
							this.ZoomIn();
						}
						goto IL_7D2;
					}
					if (keyData == (KeyCode.LButton | KeyCode.MButton | KeyCode.Back | KeyCode.ShiftKey | KeyCode.Space | KeyCode.F17 | KeyCode.Control))
					{
						bool flag32 = this.HasSettings(WorksheetSettings.Behavior_ShortcutKeyToZoom);
						if (flag32)
						{
							this.ZoomOut();
						}
						goto IL_7D2;
					}
					switch (keyData)
					{
					case KeyCode.LButton | KeyCode.RButton | KeyCode.Space | KeyCode.Shift | KeyCode.Control:
						this.MoveSelectionEnd(RowOrColumn.Both, true);
						goto IL_7D2;
					case KeyCode.MButton | KeyCode.Space | KeyCode.Shift | KeyCode.Control:
						this.MoveSelectionHome(RowOrColumn.Both, true);
						goto IL_7D2;
					case KeyCode.LButton | KeyCode.MButton | KeyCode.Space | KeyCode.Shift | KeyCode.Control:
						this.MoveSelectionHome(RowOrColumn.Column, true);
						goto IL_7D2;
					case KeyCode.RButton | KeyCode.MButton | KeyCode.Space | KeyCode.Shift | KeyCode.Control:
						this.MoveSelectionHome(RowOrColumn.Row, true);
						goto IL_7D2;
					case KeyCode.LButton | KeyCode.RButton | KeyCode.MButton | KeyCode.Space | KeyCode.Shift | KeyCode.Control:
						this.MoveSelectionEnd(RowOrColumn.Column, true);
						goto IL_7D2;
					case KeyCode.Back | KeyCode.Space | KeyCode.Shift | KeyCode.Control:
						this.MoveSelectionEnd(RowOrColumn.Row, true);
						goto IL_7D2;
					default:
						goto IL_7CE;
					}
				}
				this.waitingEndDirection = true;
				goto IL_7D2;
				IL_7CE:
				flag2 = false;
				IL_7D2:
				bool flag33 = !this.selStart.IsEmpty && this.AfterCellKeyDown != null;
				if (flag33)
				{
					AfterCellKeyDownEventArgs e = new AfterCellKeyDownEventArgs
					{
						Cell = this.GetCell(this.selStart),
						CellPosition = this.selStart,
						KeyCode = keyData
					};
					this.AfterCellKeyDown(this, e);
				}
			}
			return flag2;
		}

		internal bool OnKeyUp(KeyCode keyData)
		{
			bool flag = !this.selStart.IsEmpty && !this.DropKeyUpAfterEndEdit;
			if (flag)
			{
				Cell cell = this.cells[this.selStart.Row, this.selStart.Col];
				bool flag2 = cell != null && cell.body != null;
				if (flag2)
				{
					bool flag3 = cell.body.OnKeyUp(keyData);
					bool flag4 = flag3;
					if (flag4)
					{
						this.RequestInvalidate();
					}
				}
			}
			this.DropKeyUpAfterEndEdit = false;
			EventHandler<CellKeyDownEventArgs> cellKeyUp = this.CellKeyUp;
			if (cellKeyUp != null)
			{
				cellKeyUp(this, new CellKeyDownEventArgs
				{
					Cell = this.GetCell(this.selStart),
					CellPosition = this.selStart,
					KeyCode = keyData
				});
			}
			return true;
		}

		internal bool DropKeyUpAfterEndEdit { get; set; }

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<BeforeCellKeyDownEventArgs> BeforeCellKeyDown;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<AfterCellKeyDownEventArgs> AfterCellKeyDown;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<CellKeyDownEventArgs> CellKeyUp;

		internal void DoAction(BaseWorksheetAction action)
		{
			bool flag = this.workbook == null;
			if (flag)
			{
				throw new InvalidOperationException("Worksheet need to be added into workbook before doing actions.");
			}
			IActionControl actionControl = (this.controlAdapter == null) ? null : (this.controlAdapter.ControlInstance as IActionControl);
			bool flag2 = actionControl != null;
			if (flag2)
			{
				actionControl.DoAction(this, action);
			}
		}

		internal void PickRange(Func<Worksheet, RangePosition, bool> onPicked)
		{
			this.whenRangePicked = onPicked;
		}

		internal void EndPickRange()
		{
			bool flag = this.whenRangePicked != null;
			if (flag)
			{
				this.whenRangePicked = null;
				bool flag2 = this.controlAdapter != null;
				if (flag2)
				{
					IRangePickableControl rangePickableControl = this.controlAdapter.ControlInstance as IRangePickableControl;
					bool flag3 = rangePickableControl != null;
					if (flag3)
					{
						rangePickableControl.EndPickRange();
					}
				}
			}
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler Resetted;

		internal void NotifyExceptionHappen(Exception ex)
		{
			bool flag = this.workbook != null;
			if (flag)
			{
				this.workbook.NotifyExceptionHappen(this, ex);
			}
		}

		public void EnableSettings(WorksheetSettings settings)
		{
			this.SetSettings(settings, true);
		}

		public void DisableSettings(WorksheetSettings settings)
		{
			this.SetSettings(settings, false);
		}

		public void SetSettings(WorksheetSettings settings, bool value)
		{
			if (value)
			{
				this.settings |= settings;
			}
			else
			{
				this.settings &= ~settings;
			}
			bool flag = this.viewportController != null;
			if (flag)
			{
				bool flag2 = (settings & WorksheetSettings.View_ShowColumnHeader) == WorksheetSettings.View_ShowColumnHeader || (settings & WorksheetSettings.View_ShowRowHeader) == WorksheetSettings.View_ShowRowHeader;
				if (flag2)
				{
					ViewTypes viewTypes = ViewTypes.None;
					bool flag3 = (settings & WorksheetSettings.View_ShowColumnHeader) == WorksheetSettings.View_ShowColumnHeader;
					if (flag3)
					{
						viewTypes |= ViewTypes.ColumnHeader;
					}
					bool flag4 = (settings & WorksheetSettings.View_ShowRowHeader) == WorksheetSettings.View_ShowRowHeader;
					if (flag4)
					{
						viewTypes |= ViewTypes.RowHeader;
					}
					this.viewportController.SetViewVisible(viewTypes, value);
				}
				bool flag5 = settings.Has(WorksheetSettings.View_AllowShowRowOutlines) && this.outlines != null && this.outlines[RowOrColumn.Row] != null;
				if (flag5)
				{
					this.viewportController.SetViewVisible(ViewTypes.RowOutline, value);
				}
				bool flag6 = settings.HasAny(WorksheetSettings.View_AllowShowColumnOutlines) && this.outlines != null && this.outlines[RowOrColumn.Column] != null;
				if (flag6)
				{
					this.viewportController.SetViewVisible(ViewTypes.ColOutline, value);
				}
			}
			bool flag7 = settings.Has(WorksheetSettings.View_ShowPageBreaks) && value;
			if (flag7)
			{
				this.AutoSplitPage();
			}
			bool flag8 = this.SettingsChanged != null;
			if (flag8)
			{
				this.SettingsChanged(this, new SettingsChangedEventArgs
				{
					AddedSettings = (value ? settings : WorksheetSettings.None),
					RemovedSettings = ((!value) ? settings : WorksheetSettings.None)
				});
			}
			bool flag9 = this.controlAdapter != null;
			if (flag9)
			{
				this.UpdateViewportControllBounds();
				this.RequestInvalidate();
			}
		}

		public bool HasSettings(WorksheetSettings setting)
		{
			return (this.settings & setting) == setting;
		}

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event EventHandler<SettingsChangedEventArgs> SettingsChanged;

		public float IndentSize
		{
			get
			{
				return this.indentSize;
			}
			set
			{
				this.indentSize = value;
			}
		}

		public void ExportAsHTML(Stream s)
		{
			this.ExportAsHTML(s, null, true);
		}

		public void ExportAsHTML(Stream s, string pageTitle, bool exportHeader = true)
		{
			RGHTMLExporter.Export(s, this, string.IsNullOrEmpty(pageTitle) ? "Exported ReoGrid" : pageTitle, exportHeader);
		}

		public override string ToString()
		{
			return string.Format("Worksheet[{0}]", this.name);
		}

		public void Dispose()
		{
			bool flag = this.workbook != null;
			if (flag)
			{
				bool flag2 = this.workbook.worksheets.Contains(this);
				if (flag2)
				{
					throw new InvalidOperationException("Cannot dispose a worksheet that is still contained in a workbook. Remove from workbook and try again.");
				}
			}
			this.workbook = null;
			this.rows.Clear();
			this.cols.Clear();
			this.rowHeaderCollection = null;
			this.colHeaderCollection = null;
			this.cells.Reset();
			this.hBorders.Reset();
			this.vBorders.Reset();
			this.controlAdapter = null;
			bool flag3 = this.outlines != null;
			if (flag3)
			{
				this.outlines.Clear();
			}
			this.rowOutlineCollection = null;
			this.columnOutlineCollection = null;
			bool flag4 = this.pageBreakCols != null;
			if (flag4)
			{
				this.pageBreakCols.Clear();
			}
			bool flag5 = this.pageBreakRows != null;
			if (flag5)
			{
				this.pageBreakRows.Clear();
			}
			bool flag6 = this.userPageBreakCols != null;
			if (flag6)
			{
				this.userPageBreakCols.Clear();
			}
			bool flag7 = this.userPageBreakRows != null;
			if (flag7)
			{
				this.userPageBreakRows.Clear();
			}
			this.pageBreakRowCollection = null;
			this.pageBreakColumnCollection = null;
			bool flag8 = this.formulaRanges != null;
			if (flag8)
			{
				this.formulaRanges.Clear();
			}
			bool flag9 = this.drawingCanvas != null;
			if (flag9)
			{
				this.drawingCanvas.Clear();
			}
		}

		internal Index4DArray<ReoGridHBorder> hBorders = new Index4DArray<ReoGridHBorder>();

		internal Index4DArray<ReoGridVBorder> vBorders = new Index4DArray<ReoGridVBorder>();

		internal bool viewDirty = false;

		private bool suspendDataChangedEvent;

		private RangePosition currentCopingRange = RangePosition.Empty;

		internal Dictionary<Cell, CellComment> cellComments = null;

		internal Dictionary<Cell, CellComment> visibleCellComments = null;

		internal WorksheetDrawingCanvas drawingCanvas;

		private Dictionary<Cell, List<ReferenceRange>> formulaRanges = new Dictionary<Cell, List<ReferenceRange>>();

		internal Dictionary<Cell, List<Cell>> traceDependentArrows = null;

		internal List<ColumnHeader> cols = new List<ColumnHeader>(100);

		internal List<RowHeader> rows = new List<RowHeader>(200);

		internal ushort colHeaderHeight = 18;

		internal ushort rowHeaderWidth = 40;

		internal ushort defaultColumnWidth = Worksheet.InitDefaultColumnWidth;

		internal ushort defaultRowHeight = Worksheet.InitDefaultRowHeight;

		private bool userRowHeaderWidth = false;

		private Worksheet.RowHeaderCollection rowHeaderCollection;

		private Worksheet.ColumnHeaderCollection colHeaderCollection;

		private RowOutlineCollection rowOutlineCollection;

		private ColumnOutlineCollection columnOutlineCollection;

		internal Dictionary<RowOrColumn, OutlineCollection<ReoGridOutline>> outlines;

		private PrintSettings printSettings;

		private RangePosition printableRange = RangePosition.Empty;

		internal List<int> pageBreakRows = null;

		internal List<int> pageBreakCols = null;

		internal List<int> userPageBreakRows = null;

		internal List<int> userPageBreakCols = null;

		private Worksheet.RowPageBreakIndexCollection pageBreakRowCollection;

		private Worksheet.ColumnPageBreakIndexCollection pageBreakColumnCollection;

		private Worksheet.ReoGridRangeCollection rangeCollection;

		private static readonly Color[] NamedRangeHighlightColors = new Color[]
		{
			Color.Blue,
			Color.Green,
			Color.Purple,
			Color.Brown,
			Color.SeaGreen,
			Color.Orange,
			Color.IndianRed
		};

		internal HighlightRange focusHighlightRange;

		private byte rangeHighlightColorCounter = 0;

		internal byte focusHighlightRangeRunningOffset = 0;

		internal List<HighlightRange> highlightRanges = new List<HighlightRange>();

		private Worksheet.HighlightRangeCollection highlightRangeCollection;

		internal Dictionary<string, NamedRange> registeredNamedRanges = new Dictionary<string, NamedRange>();

		private NamedRangeCollection namedRangeCollection = null;

		private bool suspendingUIUpdates = false;

		private IViewportController viewportController;

		internal bool isLeadHeadSelected = false;

		internal Cell currentEditingCell;

		private string backupData;

		private bool endEditProcessing = false;

		internal CellPosition selStart = new CellPosition(0, 0);

		internal CellPosition selEnd = new CellPosition(0, 0);

		internal CellPosition focusPos = new CellPosition(0, 0);

		private int focusReturnColumn = 0;

		private FocusPosStyle focusPosStyle = FocusPosStyle.Default;

		internal CellPosition hoverPos;

		internal RangePosition selectionRange = new RangePosition(0, 0, 1, 1);

		internal WorksheetSelectionMode selectionMode = WorksheetSelectionMode.Range;

		private WorksheetSelectionStyle selectionStyle = WorksheetSelectionStyle.Default;

		private SelectionForwardDirection selectionForwardDirection;

		internal IControlAdapter controlAdapter;

		public static readonly ushort InitDefaultColumnWidth = 70;

		public static readonly ushort InitDefaultRowHeight = 20;

		internal const int DefaultCols = 100;

		internal const int DefaultRows = 200;

		internal const int OutlineButtonSize = 13;

		public static readonly WorksheetRangeStyle DefaultStyle = new WorksheetRangeStyle
		{
			Flag = (PlainStyleFlag)24579L,
			FontName = "Calibri",
			FontSize = 10.25f,
			HAlign = ReoGridHorAlign.General,
			VAlign = ReoGridVerAlign.General
		};

		internal Workbook workbook;

		private string name;

		private Color nameBackColor = Color.Transparent;

		private Color nameTextColor = Color.Transparent;

		private static readonly float minScaleFactor = 0.1f;

		private static readonly float maxScaleFactor = 4f;

		private float _scaleFactor = 1f;

		internal float renderScaleFactor = 1f;

		internal Index4DArray<Cell> cells = new Index4DArray<Cell>();

		private int maxColumnHeader = -1;

		private int maxRowHeader = -1;

		private Worksheet.CellCollection cellCollection;

		internal OperationStatus operationStatus = OperationStatus.Default;

		internal int currentColWidthChanging = -1;

		internal int currentRowHeightChanging = -1;

		internal int pageBreakAdjustFocusIndex = -1;

		internal int pageBreakAdjustRow = -1;

		internal int pageBreakAdjustCol = -1;

		internal Cell mouseCapturedCell = null;

		internal float headerAdjustNewValue = 0f;

		internal Point lastMouseMoving;

		internal RangePosition lastChangedSelectionRange;

		internal RangePosition draggingSelectionRange;

		internal CellPosition focusMovingRangeOffset;

		private bool waitingEndDirection;

		internal Func<Worksheet, RangePosition, bool> whenRangePicked;

		internal WorksheetSettings settings;

		private float indentSize;

		public class RowHeaderCollection : IEnumerable<RowHeader>, IEnumerable
		{
			internal Worksheet GridControl { get; set; }

			internal RowHeaderCollection(Worksheet grid)
			{
				this.GridControl = grid;
			}

			public RowHeader this[int index]
			{
				get
				{
					Worksheet gridControl = this.GridControl;
					return (index < 0 || index >= gridControl.rows.Count) ? null : gridControl.rows[index];
				}
			}

			private IEnumerator<RowHeader> GetEnum()
			{
				return this.GridControl.rows.GetEnumerator();
			}

			public IEnumerator<RowHeader> GetEnumerator()
			{
				return this.GetEnum();
			}

			IEnumerator IEnumerable.GetEnumerator()
			{
				return this.GetEnum();
			}
		}

		public class ColumnHeaderCollection : IEnumerable<ColumnHeader>, IEnumerable
		{
			internal Worksheet GridControl { get; set; }

			internal ColumnHeaderCollection(Worksheet grid)
			{
				this.GridControl = grid;
			}

			public ColumnHeader this[int index]
			{
				get
				{
					Worksheet gridControl = this.GridControl;
					return (index < 0 || index >= gridControl.cols.Count) ? null : gridControl.cols[index];
				}
			}

			public ColumnHeader this[string address]
			{
				get
				{
					int numberOfChar = RGUtility.GetNumberOfChar(address);
					return this[numberOfChar];
				}
			}

			private IEnumerator<ColumnHeader> GetEnum()
			{
				return this.GridControl.cols.GetEnumerator();
			}

			public IEnumerator<ColumnHeader> GetEnumerator()
			{
				return this.GetEnum();
			}

			IEnumerator IEnumerable.GetEnumerator()
			{
				return this.GetEnum();
			}
		}

		public class RowPageBreakIndexCollection : ICollection<int>, IEnumerable<int>, IEnumerable
		{
			private Worksheet Worksheet { get; set; }

			internal RowPageBreakIndexCollection(Worksheet sheet)
			{
				this.Worksheet = sheet;
			}

			private List<int> ValidPageBreakArray
			{
				get
				{
					return (this.Worksheet.pageBreakRows != null && this.Worksheet.pageBreakRows.Count > 1) ? this.Worksheet.pageBreakRows : this.Worksheet.userPageBreakRows;
				}
			}

			private IEnumerator<int> GetEnum()
			{
				bool flag = this.Worksheet == null;
				if (flag)
				{
					throw new ReferenceObjectNotAssociatedException("Collection of row page breaks must be created from valid instance of ReoGrid control.");
				}
				return this.ValidPageBreakArray.GetEnumerator();
			}

			public IEnumerator<int> GetEnumerator()
			{
				return this.GetEnum();
			}

			IEnumerator IEnumerable.GetEnumerator()
			{
				return this.GetEnum();
			}

			public void Add(int rowIndex)
			{
				bool flag = this.Worksheet == null;
				if (flag)
				{
					throw new ReferenceObjectNotAssociatedException("Collection of row page break must be created from valid grid control.");
				}
				this.Worksheet.InsertRowPageBreak(rowIndex, true);
			}

			public void Clear()
			{
				bool flag = this.Worksheet == null;
				if (flag)
				{
					throw new ReferenceObjectNotAssociatedException("Collection of row page break must be created from valid grid control.");
				}
				this.Worksheet.ClearRowPageBreaks();
			}

			public bool Contains(int index)
			{
				return this.ValidPageBreakArray != null && this.ValidPageBreakArray.Contains(index);
			}

			public void CopyTo(int[] array, int arrayIndex)
			{
				this.ValidPageBreakArray.CopyTo(array, arrayIndex);
			}

			public int Count
			{
				get
				{
					return this.ValidPageBreakArray.Count;
				}
			}

			public bool IsReadOnly
			{
				get
				{
					return false;
				}
			}

			public bool Remove(int rowIndex)
			{
				bool flag = this.Worksheet == null;
				if (flag)
				{
					throw new ReferenceObjectNotAssociatedException("Collection of row page break must be created from valid grid control.");
				}
				bool result;
				try
				{
					this.Worksheet.RemoveRowPageBreak(rowIndex);
					result = true;
				}
				catch
				{
					result = false;
				}
				return result;
			}

			public int this[int index]
			{
				get
				{
					return this.ValidPageBreakArray[index];
				}
				set
				{
					this.Worksheet.ChangeRowPageBreak(index, value, true);
				}
			}
		}

		public class ColumnPageBreakIndexCollection : ICollection<int>, IEnumerable<int>, IEnumerable
		{
			private Worksheet Worksheet { get; set; }

			internal ColumnPageBreakIndexCollection(Worksheet sheet)
			{
				this.Worksheet = sheet;
			}

			private List<int> ValidPageBreakArray
			{
				get
				{
					return (this.Worksheet.pageBreakCols != null && this.Worksheet.pageBreakCols.Count > 1) ? this.Worksheet.pageBreakCols : this.Worksheet.userPageBreakCols;
				}
			}

			private IEnumerator<int> GetEnum()
			{
				bool flag = this.Worksheet == null;
				if (flag)
				{
					throw new ReferenceObjectNotAssociatedException("Collection of column page breaks must be created from valid instance of ReoGrid control.");
				}
				this.Worksheet.CheckAndInitPrintableRegion();
				return this.ValidPageBreakArray.GetEnumerator();
			}

			public IEnumerator<int> GetEnumerator()
			{
				return this.GetEnum();
			}

			IEnumerator IEnumerable.GetEnumerator()
			{
				return this.GetEnum();
			}

			public void Add(int columnIndex)
			{
				bool flag = this.Worksheet == null;
				if (flag)
				{
					throw new ReferenceObjectNotAssociatedException("Collection of column page breaks must be created from valid instance of ReoGrid control.");
				}
				this.Worksheet.InsertColumnPageBreak(columnIndex, true);
			}

			public void Clear()
			{
				bool flag = this.Worksheet == null;
				if (flag)
				{
					throw new ReferenceObjectNotAssociatedException("Collection of column page breaks must be created from valid instance of ReoGrid control.");
				}
				this.Worksheet.ClearColumnPageBreaks();
			}

			public bool Contains(int index)
			{
				return this.ValidPageBreakArray != null && this.ValidPageBreakArray.Contains(index);
			}

			public void CopyTo(int[] array, int arrayIndex)
			{
				this.ValidPageBreakArray.CopyTo(array, arrayIndex);
			}

			public int Count
			{
				get
				{
					return this.ValidPageBreakArray.Count;
				}
			}

			public bool IsReadOnly
			{
				get
				{
					return false;
				}
			}

			public bool Remove(int columnIndex)
			{
				bool flag = this.Worksheet == null;
				if (flag)
				{
					throw new ReferenceObjectNotAssociatedException("Collection of column page breaks must be created from valid instance of ReoGrid control.");
				}
				bool result;
				try
				{
					this.Worksheet.RemoveColumnPageBreak(columnIndex);
					result = true;
				}
				catch
				{
					result = false;
				}
				return result;
			}

			public int this[int index]
			{
				get
				{
					return this.ValidPageBreakArray[index];
				}
				set
				{
					bool flag = this.ValidPageBreakArray.Count == 0;
					if (flag)
					{
						throw new PageBreakNotFoundException(index);
					}
					this.Worksheet.ChangeColumnPageBreak(index, value, true);
				}
			}
		}

		public class ReoGridRangeCollection
		{
			internal ReoGridRangeCollection(Worksheet grid)
			{
				this.worksheet = grid;
			}

			public ReferenceRange this[string address]
			{
				get
				{
					return new ReferenceRange(this.worksheet, address);
				}
			}

			public ReferenceRange this[int row, int col, int rows, int cols]
			{
				get
				{
					return new ReferenceRange(this.worksheet, this.worksheet.FixRange(new RangePosition(row, col, rows, cols)));
				}
			}

			public ReferenceRange this[CellPosition startPos, CellPosition endPos]
			{
				get
				{
					return new ReferenceRange(this.worksheet, this.worksheet.CreateAndGetCell(startPos), this.worksheet.CreateAndGetCell(endPos));
				}
			}

			public ReferenceRange this[RangePosition range]
			{
				get
				{
					bool isEmpty = range.IsEmpty;
					if (isEmpty)
					{
						throw new ArgumentException("range position is empty", "range");
					}
					return new ReferenceRange(this.worksheet, this.worksheet.FixRange(range));
				}
			}

			private Worksheet worksheet;
		}

		internal class HighlightRangeCollection : ICollection<HighlightRange>, IEnumerable<HighlightRange>, IEnumerable
		{
			internal Worksheet Worksheet { get; private set; }

			public HighlightRangeCollection(Worksheet grid)
			{
				this.Worksheet = grid;
			}

			public HighlightRange Add(string address)
			{
				return this.Worksheet.AddHighlightRange(address);
			}

			public HighlightRange Add(RangePosition range)
			{
				return this.Worksheet.AddHighlightRange(range);
			}

			public void Add(HighlightRange item)
			{
				this.Worksheet.AddHighlightRange(item);
			}

			public void Clear()
			{
				this.Worksheet.RemoveAllHighlightRanges();
			}

			public bool Contains(HighlightRange item)
			{
				return this.Worksheet.HasHighlightRange(item);
			}

			public void CopyTo(HighlightRange[] array, int arrayIndex)
			{
				this.Worksheet.highlightRanges.CopyTo(array, arrayIndex);
			}

			public int Count
			{
				get
				{
					return this.Worksheet.highlightRanges.Count;
				}
			}

			public bool IsReadOnly
			{
				get
				{
					throw new NotImplementedException();
				}
			}

			public bool Remove(HighlightRange item)
			{
				return this.Worksheet.RemoveHighlightRange(item);
			}

			public IEnumerator<HighlightRange> GetEnumerator()
			{
				return this.Worksheet.highlightRanges.GetEnumerator();
			}

			IEnumerator IEnumerable.GetEnumerator()
			{
				return this.Worksheet.highlightRanges.GetEnumerator();
			}
		}

		public class CellCollection : IEnumerable<Cell>, IEnumerable
		{
			internal CellCollection(Worksheet grid) : this(grid, null)
			{
			}

			internal CellCollection(Worksheet grid, ReferenceRange range)
			{
				this.grid = grid;
				this.range = range;
			}

			public Cell this[string addressOrName]
			{
				get
				{
					bool flag = CellPosition.IsValidAddress(addressOrName);
					Cell result;
					if (flag)
					{
						result = this.grid.CreateAndGetCell(new CellPosition(addressOrName));
					}
					else
					{
						bool flag2 = RGUtility.IsValidName(addressOrName);
						if (flag2)
						{
							NamedRange namedRange;
							bool flag3 = this.grid.registeredNamedRanges.TryGetValue(addressOrName, out namedRange);
							if (flag3)
							{
								return this.grid.CreateAndGetCell(namedRange.StartPos);
							}
						}
						result = null;
					}
					return result;
				}
			}

			public Cell this[int row, int col]
			{
				get
				{
					return this.grid.CreateAndGetCell(row, col);
				}
			}

			public Cell this[CellPosition pos]
			{
				get
				{
					return this[pos.Row, pos.Col];
				}
			}

			private IEnumerator<Cell> GetEnum()
			{
				bool flag = this.grid == null;
				if (flag)
				{
					throw new ReferenceObjectNotAssociatedException("Collection of cells must be associated with an valid ReoGrid control.");
				}
				RangePosition fixedRange = (this.range == null) ? RangePosition.EntireRange : this.grid.FixRange(this.range);
				int num;
				for (int r = fixedRange.Row; r <= fixedRange.EndRow; r = num + 1)
				{
					for (int c = fixedRange.Col; c <= fixedRange.EndCol; c = num + 1)
					{
						Cell cell = this.grid.cells[r, c];
						bool flag2 = cell == null;
						if (flag2)
						{
							yield return this.grid.CreateCell(r, c, true);
						}
						else
						{
							bool flag3 = !cell.IsValidCell;
							if (!flag3)
							{
								yield return this.grid.CreateAndGetCell(r, c);
								cell = null;
							}
						}
						num = c;
					}
					num = r;
				}
				yield break;
			}

			public IEnumerator<Cell> GetEnumerator()
			{
				return this.GetEnum();
			}

			IEnumerator IEnumerable.GetEnumerator()
			{
				return this.GetEnum();
			}

			private Worksheet grid;

			private ReferenceRange range;
		}
	}
}