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* UIDataGridView：修正有列隐藏时水平滚动条重绘出错。

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Sunny 2020-07-19 10:45:00 +08:00
parent d63d8e6ce9
commit 3c742b2b67
7 changed files with 29 additions and 5 deletions
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Bin/SunnyUI.dll
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Bin/SunnyUI.pdb
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SunnyUI.Demo/Bin/SunnyUI.Demo.exe
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SunnyUI.Demo/Bin/SunnyUI.dll
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3
SunnyUI.Demo/Controls/FDataGridView.Designer.cs generated
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@ -60,7 +60,8 @@
dataGridViewCellStyle2.SelectionForeColor = System.Drawing.SystemColors.HighlightText; dataGridViewCellStyle2.SelectionForeColor = System.Drawing.SystemColors.HighlightText;
dataGridViewCellStyle2.WrapMode = System.Windows.Forms.DataGridViewTriState.True; dataGridViewCellStyle2.WrapMode = System.Windows.Forms.DataGridViewTriState.True;
this.uiDataGridView1.ColumnHeadersDefaultCellStyle = dataGridViewCellStyle2; this.uiDataGridView1.ColumnHeadersDefaultCellStyle = dataGridViewCellStyle2;
this.uiDataGridView1.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize; this.uiDataGridView1.ColumnHeadersHeight = 32;
this.uiDataGridView1.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.DisableResizing;
dataGridViewCellStyle3.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleLeft; dataGridViewCellStyle3.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleLeft;
dataGridViewCellStyle3.BackColor = System.Drawing.SystemColors.Window; dataGridViewCellStyle3.BackColor = System.Drawing.SystemColors.Window;
dataGridViewCellStyle3.Font = new System.Drawing.Font("微软雅黑", 12F); dataGridViewCellStyle3.Font = new System.Drawing.Font("微软雅黑", 12F);

3
SunnyUI.Demo/Controls/FDataGridView.cs
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@ -1,5 +1,4 @@
using System.Collections.Generic; using System.Collections.Generic;
using System.Windows.Forms;
namespace Sunny.UI.Demo namespace Sunny.UI.Demo
{ {
@ -9,7 +8,7 @@ namespace Sunny.UI.Demo
{ {
InitializeComponent(); InitializeComponent();
uiDataGridView1.AddColumn("Column1", "Column1").SetFixedMode(400); uiDataGridView1.AddColumn("Column1", "Column1").SetFixedMode(400);
uiDataGridView1.AddColumn("Column2", "Column2").SetFixedMode(400); uiDataGridView1.AddColumn("Column2", "Column2").SetFixedMode(400);
uiDataGridView1.AddColumn("Column3", "Column3").SetFixedMode(400); uiDataGridView1.AddColumn("Column3", "Column3").SetFixedMode(400);
uiDataGridView1.AddColumn("Column4", "Column4").SetFixedMode(400); uiDataGridView1.AddColumn("Column4", "Column4").SetFixedMode(400);

28
SunnyUI/Controls/UIDataGridView.cs
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@ -89,7 +89,20 @@ namespace Sunny.UI
private void HBar_ValueChanged(object sender, EventArgs e) private void HBar_ValueChanged(object sender, EventArgs e)
{ {
FirstDisplayedScrollingColumnIndex = HBar.Value; int idx = 0;
for (int i = 0; i < ColumnCount; i++)
{
if (Columns[i].Visible && idx == HBar.Value)
{
FirstDisplayedScrollingColumnIndex = i;
break;
}
if (Columns[i].Visible)
{
idx++;
}
}
} }
public void Init() public void Init()
@ -168,7 +181,7 @@ namespace Sunny.UI
if (HorizontalScrollBar.Visible) if (HorizontalScrollBar.Visible)
{ {
HBar.Maximum = ColumnCount - 1; HBar.Maximum = VisibleColumnCount() - 1;
HBar.Value = FirstDisplayedScrollingColumnIndex; HBar.Value = FirstDisplayedScrollingColumnIndex;
HBar.Visible = true; HBar.Visible = true;
} }
@ -180,6 +193,17 @@ namespace Sunny.UI
SetBarPosition(); SetBarPosition();
} }
private int VisibleColumnCount()
{
int cnt = 0;
foreach (DataGridViewColumn column in Columns)
{
if (column.Visible) cnt++;
}
return cnt;
}
protected override void OnMouseWheel(MouseEventArgs e) protected override void OnMouseWheel(MouseEventArgs e)
{ {
base.OnMouseWheel(e); base.OnMouseWheel(e);