整理一下项目文件

AIStudio.Wpf.DiagramDesigner/Controls/Connector.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+
+namespace AIStudio.Wpf.DiagramDesigner
+{
+    public class Connector : Control
+    {
+
+        protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
+        {
+            base.OnMouseLeftButtonDown(e);
+            DesignerCanvas canvas = GetDesignerCanvas(this);
+            if (canvas != null)
+            {
+                canvas.SourceConnector = this;
+            }
+        }
+
+        public ConnectorOrientation Orientation { get; set; }
+
+        // iterate through visual tree to get parent DesignerCanvas
+        private DesignerCanvas GetDesignerCanvas(DependencyObject element)
+        {
+            while (element != null && !(element is DesignerCanvas))
+                element = VisualTreeHelper.GetParent(element);
+
+            return element as DesignerCanvas;
+        }
+
+    }
+
+
+
+}