添加项目文件。

Util.DiagramDesigner/Helpers/EventToCommandArgs.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Input;
+
+namespace Util.DiagramDesigner
+{
+    public class EventToCommandArgs
+    {
+        public Object Sender { get; private set; }
+        public ICommand CommandRan { get; private set; }
+        public Object CommandParameter { get; private set; }
+        public EventArgs EventArgs { get; private set; }
+
+        public EventToCommandArgs(Object sender, ICommand commandRan, Object commandParameter, EventArgs eventArgs)
+        {
+            this.Sender = sender;
+            this.CommandRan = commandRan;
+            this.CommandParameter = commandParameter;
+            this.EventArgs = eventArgs;
+        }
+    }
+}