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* UITreeView: 不显示连线时，重绘节点前展开与收缩的图标

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Sunny 2024-08-06 20:13:39 +08:00
parent f865be8731
commit 1317d552b5
1 changed files with 26 additions and 5 deletions
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31
SunnyUI/Controls/UITreeView.cs
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@ -38,6 +38,7 @@
* 2024-01-01: V3.6.2 增加可修改滚动条颜色 * 2024-01-01: V3.6.2 增加可修改滚动条颜色
* 2024-01-20: V3.6.3 自定义行颜色，可通过代码给颜色值，SetNodePainter，增加选中颜色 * 2024-01-20: V3.6.3 自定义行颜色，可通过代码给颜色值，SetNodePainter，增加选中颜色
* 2024-05-27: V3.6.6 防止控件闪烁 * 2024-05-27: V3.6.6 防止控件闪烁
* 2024-08-06: V3.6.8 不显示连线时，重绘节点前展开与收缩的图标
******************************************************************************/ ******************************************************************************/
using System; using System;
@ -1345,11 +1346,31 @@ namespace Sunny.UI
//绘制左侧+号 //绘制左侧+号
if (ShowPlusMinus && e.Node.Nodes.Count > 0) if (ShowPlusMinus && e.Node.Nodes.Count > 0)
{ {
e.Graphics.FillRectangle(Color.White, new Rectangle(lineX - 4, lineY - 4, 8, 8)); if (ShowLines)
e.Graphics.DrawRectangle(UIFontColor.Primary, new Rectangle(lineX - 4, lineY - 4, 8, 8)); {
e.Graphics.DrawLine(UIFontColor.Primary, lineX - 2, lineY, lineX + 2, lineY); e.Graphics.FillRectangle(Color.White, new Rectangle(lineX - 4, lineY - 4, 8, 8));
if (!e.Node.IsExpanded) e.Graphics.DrawRectangle(UIFontColor.Primary, new Rectangle(lineX - 4, lineY - 4, 8, 8));
e.Graphics.DrawLine(UIFontColor.Primary, lineX, lineY - 2, lineX, lineY + 2); e.Graphics.DrawLine(UIFontColor.Primary, lineX - 2, lineY, lineX + 2, lineY);
if (!e.Node.IsExpanded)
e.Graphics.DrawLine(UIFontColor.Primary, lineX, lineY - 2, lineX, lineY + 2);
}
else
{
Color fcf = ForeColor;
if (e.Node == SelectedNode) fcf = SelectedForeColor;
if (Painter.ContainsKey(e.Node)) fcf = Painter[e.Node].ForeColor;
if (e.Node.IsExpanded)
{
e.Graphics.DrawFontImage(61703, 24, fcf,
new RectangleF(lineX - 12, lineY - 12, 24, 24), -1, 1);
}
else
{
e.Graphics.DrawFontImage(61701, 24, fcf,
new RectangleF(lineX - 12, lineY - 12, 24, 24), -2, 1);
}
}
} }
} }
} }