添加项目文件。

VisionFrame.Base/NodeBase.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using System.Windows.Shapes;
+
+namespace VisionFrame.Base
+{
+    public class NodeBase : UserControl
+    {
+        //public ICommand AnchorDownCommand { get; set; }
+        //public ICommand AnchorUpCommand { get; set; }
+
+        public ICommand AnchorDownCommand
+        {
+            get { return (ICommand)GetValue(AnchorDownCommandProperty); }
+            set { SetValue(AnchorDownCommandProperty, value); }
+        }
+        public static readonly DependencyProperty AnchorDownCommandProperty =
+            DependencyProperty.Register("AnchorDownCommand",
+                typeof(ICommand), typeof(NodeBase), new PropertyMetadata(null));
+
+
+        public ICommand AnchorUpCommand
+        {
+            get { return (ICommand)GetValue(AnchorUpCommandProperty); }
+            set { SetValue(AnchorUpCommandProperty, value); }
+        }
+        public static readonly DependencyProperty AnchorUpCommandProperty =
+            DependencyProperty.Register("AnchorUpCommand",
+                typeof(ICommand), typeof(NodeBase), new PropertyMetadata(null));
+
+
+
+        public void Ellipse_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+        {
+            this.AnchorDownCommand?.Execute(
+                (this.DataContext as NodeModelBase).NodeId + ";" + (sender as Ellipse).Tag.ToString()
+                );
+            e.Handled = true;
+        }
+
+        public void Ellipse_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
+        {
+            this.AnchorUpCommand?.Execute(
+                (this.DataContext as NodeModelBase).NodeId + ";" + (sender as Ellipse).Tag.ToString()
+                );
+            e.Handled = true;
+        }
+    }
+}