From 8bd46da0c9fbfe39a65d75b1d85692d8783f5905 Mon Sep 17 00:00:00 2001
From: patrick.xu <patrick.xu@broconcentric.com>
Date: 星期三, 15 九月 2021 10:50:54 +0800
Subject: [PATCH] 现场修改

---
 src/Bro.UI.Model.Winform/UI/Canvas.cs |   17 ++++++++++++-----
 1 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/Bro.UI.Model.Winform/UI/Canvas.cs b/src/Bro.UI.Model.Winform/UI/Canvas.cs
index 16ae7be..9b7102f 100644
--- a/src/Bro.UI.Model.Winform/UI/Canvas.cs
+++ b/src/Bro.UI.Model.Winform/UI/Canvas.cs
@@ -237,7 +237,7 @@
             {
                 ele.IsEnabled = e.CheckedState;
             }
-            OnElementChanged();
+            OnElementChanged(null);
         }
 
         private void dgElements_SelectionChanged(object sender, EventArgs e)
@@ -270,7 +270,7 @@
 
         private void Elements_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
         {
-            OnElementChanged();
+            OnElementChanged(null);
 
             foreach (IShapeElement ele in Elements)
             {
@@ -281,14 +281,17 @@
 
         private void Ele_PropertyChanged(object sender, PropertyChangedEventArgs e)
         {
-            OnElementChanged();
+            OnElementChanged(sender as IShapeElement);
         }
 
-        private void OnElementChanged()
+        private void OnElementChanged(IShapeElement ele)
         {
+            if (ele != null)
+                OnElementChangedHandle?.Invoke(ele);
+
             if (InvokeRequired)
             {
-                Invoke(new Action(() => OnElementChanged()));
+                Invoke(new Action(() => OnElementChanged(ele)));
             }
             else
             {
@@ -543,5 +546,9 @@
             }
         }
         #endregion
+
+        #region 浜嬩欢
+        public event Action<IShapeElement> OnElementChangedHandle;
+        #endregion
     }
 }

--
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