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* UIDataGridView: 修复了有冻结行时垂直滚动条点击时出错的问题

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This commit is contained in:
Sunny 2023-07-12 10:01:33 +08:00
parent ec60c9af19
commit 2798c6d59a
1 changed files with 33 additions and 7 deletions
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38
SunnyUI/Controls/UIDataGridView.cs
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@ -45,6 +45,7 @@
* 2022-07-28: V3.2.2 修复了单行时表格高度低时，垂直滚动条拖拽至底部出错的问题
* 2022-10-14: V3.2.6 增加了可设置垂直滚动条宽度的属性
* 2023-06-28: V3.3.9 增加了可设置水平滚动条宽度的属性，但可能会遮挡最下面数据行的数据，看情况使用
* 2023-07-12: V3.4.0 修复了有冻结行时垂直滚动条点击时出错的问题
******************************************************************************/
using System;
@ -369,6 +370,23 @@ namespace Sunny.UI
if (idx < 0) idx = 0;
if (idx >= RowCount) idx = RowCount - 1;
int lastFrozen = GetFrozenBottomIndex();
if (Rows[0].Frozen)
{
if (RowCount > lastFrozen + 1)
{
lastFrozen += 1;
FirstDisplayedScrollingRowIndex = Math.Max(idx, lastFrozen);
}
}
else
{
FirstDisplayedScrollingRowIndex = idx;
}
}
private int GetFrozenBottomIndex()
{
int lastFrozen = 0;
if (Rows[0].Frozen)
{
@ -385,12 +403,7 @@ namespace Sunny.UI
}
}
if (Rows[0].Frozen)
{
}
FirstDisplayedScrollingRowIndex = Math.Max(idx, lastFrozen);
return lastFrozen;
}
private void HorizontalScrollBar_ValueChanged(object sender, EventArgs e)
@ -753,7 +766,20 @@ namespace Sunny.UI
}
Rows[value].Selected = true;
int lastFrozen = GetFrozenBottomIndex();
if (Rows[0].Frozen)
{
if (RowCount > lastFrozen + 1)
{
lastFrozen += 1;
FirstDisplayedScrollingRowIndex = Math.Max(value, lastFrozen);
}
}
else
{
FirstDisplayedScrollingRowIndex = value;
}
if (selectedIndex >= 0 && selectedIndex <= Rows.Count)
jumpIndex = selectedIndex;