From 0c89806af09a812c7af4d9d25553bf983cfbf877 Mon Sep 17 00:00:00 2001
From: Sunny <yhuse@163.com>
Date: Sun, 15 May 2022 17:16:50 +0800
Subject: [PATCH] =?UTF-8?q?*=20UITreeView:=20=E5=A2=9E=E5=8A=A0=E4=BA=86?=
 =?UTF-8?q?=E7=82=B9=E5=87=BB=E6=96=87=E5=AD=97=E6=94=B9=E5=8F=98CheckBox?=
 =?UTF-8?q?=E7=8A=B6=E6=80=81=E7=9A=84NodeClickChangeCheckBoxes?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 SunnyUI/Controls/UITreeView.cs | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/SunnyUI/Controls/UITreeView.cs b/SunnyUI/Controls/UITreeView.cs
index 26d152f8..4c54e6f7 100644
--- a/SunnyUI/Controls/UITreeView.cs
+++ b/SunnyUI/Controls/UITreeView.cs
@@ -26,6 +26,7 @@
  * 2022-04-01: V3.1.2 增加水平滚动条
  * 2022-04-01: V3.1.2 自定义行颜色，可通过代码给颜色值，SetNodePainter
  * 2022-05-15: V3.1.8 修复了一个设计期显示错误
+ * 2022-05-15: V3.1.8 增加了点击文字改变CheckBox状态的NodeClickChangeCheckBoxes
 ******************************************************************************/
 
 using System;
@@ -127,6 +128,14 @@ namespace Sunny.UI
             set => view.TreeNodeStateSync = value;
         }
 
+        [Description("点击文字改变CheckBox状态"), Category("SunnyUI")]
+        [DefaultValue(false)]
+        public bool NodeClickChangeCheckBoxes
+        {
+            get => view.NodeClickChangeCheckBoxes;
+            set => view.NodeClickChangeCheckBoxes = value;
+        }
+
         private void View_AfterLabelEdit(object sender, NodeLabelEditEventArgs e)
         {
             AfterLabelEdit?.Invoke(this, e);
@@ -1168,6 +1177,27 @@ namespace Sunny.UI
                     }
                 }
             }
+
+            public bool NodeClickChangeCheckBoxes { get; set; }
+
+            protected override void OnNodeMouseClick(TreeNodeMouseClickEventArgs e)
+            {
+                base.OnNodeMouseClick(e);
+                if (CheckBoxes && NodeClickChangeCheckBoxes)
+                {
+                    int drawLeft = e.Node.Bounds.X;
+                    if (ImageList != null)
+                        drawLeft -= ImageList.ImageSize.Width;
+
+                    if (e.Location.X > drawLeft)
+                    {
+                        e.Node.Checked = !e.Node.Checked;
+                        DicNodeStatus[e.Node.GetHashCode()] = false;
+                        SetChildNodeCheckedState(e.Node, e.Node.Checked);
+                        SetParentNodeCheckedState(e.Node, true);
+                    }
+                }
+            }
         }
     }
 }
\ No newline at end of file