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* UINavMenu: 有子节点时，鼠标左键点击父级点展开/收缩，右键选中

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Sunny 2023-02-10 21:21:08 +08:00
parent 3ad151c3cb
commit ce2c7cb55a
1 changed files with 20 additions and 11 deletions
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31
SunnyUI/Controls/UINavMenu.cs
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@ -32,6 +32,7 @@
* 2022-11-03: V3.2.6 增加了可设置垂直滚动条宽度的属性
* 2022-11-03: V3.2.6 重写了节点右侧图标的绘制
* 2023-02-02: V3.3.1 修复了鼠标离开事件
* 2023-02-10: V3.3.2 有子节点时，鼠标左键点击父级点展开/收缩，右键选中
******************************************************************************/
using System;
@ -854,20 +855,28 @@ namespace Sunny.UI
{
if (e.Node.Nodes.Count > 0)
{
if (e.Node.IsExpanded)
if (e.Button == MouseButtons.Left)
{
e.Node.Collapse();
}
else
{
e.Node.Expand();
if (e.Node.IsExpanded)
{
e.Node.Collapse();
}
else
{
e.Node.Expand();
}
if (SelectedNode != null && SelectedNode == e.Node && e.Node.IsExpanded && ExpandSelectFirst && e.Node.Nodes.Count > 0)
{
SelectedNode = e.Node.Nodes[0];
}
else
{
SelectedNode = e.Node;
}
}
if (SelectedNode != null && SelectedNode == e.Node && e.Node.IsExpanded && ExpandSelectFirst && e.Node.Nodes.Count > 0)
{
SelectedNode = e.Node.Nodes[0];
}
else
if (e.Button == MouseButtons.Right)
{
SelectedNode = e.Node;
}