优化更新代码，添加界面功能并整合

ShrlAlgo.RvKits/RvMEP/RevitCommandEndedMonitor.cs

@@ -0,0 +1,40 @@
+using Autodesk.Revit.UI;
+using Autodesk.Revit.UI.Events;
+
+namespace ShrlAlgo.RvKits.RvMEP;
+
+public class RevitCommandEndedMonitor
+{
+    private readonly UIApplication _revitUiApplication;
+
+    private bool _initializingCommandMonitor;
+
+    public event EventHandler CommandEnded;
+
+    public RevitCommandEndedMonitor(UIApplication revituiApplication)
+    {
+        _revitUiApplication = revituiApplication;
+
+        _initializingCommandMonitor = true;
+
+        _revitUiApplication.Idling += OnRevitUiApplicationIdling;
+    }
+
+    private void OnRevitUiApplicationIdling(object sender, IdlingEventArgs idlingEventArgs)
+    {
+        if (_initializingCommandMonitor)
+        {
+            _initializingCommandMonitor = false;
+            return;
+        }
+
+        _revitUiApplication.Idling -= OnRevitUiApplicationIdling;
+
+        OnCommandEnded();
+    }
+
+    protected virtual void OnCommandEnded()
+    {
+        CommandEnded?.Invoke(this, EventArgs.Empty);
+    }
+}