添加项目文件。

Sai.RvKits/RvView/VisibilityControlCmd.cs

@@ -0,0 +1,28 @@
+using System.Windows;
+
+using Autodesk.Revit.Attributes;
+using Autodesk.Revit.DB;
+
+using Nice3point.Revit.Toolkit.External;
+
+namespace Sai.RvKits.RvView;
+
+/// <summary>
+/// Revit执行命令
+/// </summary>
+[Transaction(TransactionMode.Manual)]
+[Regeneration(RegenerationOption.Manual)]
+public class VisibilityControlCmd : ExternalCommand
+{
+    public override void Execute()
+    {
+        if (Document.ActiveView.ViewTemplateId == ElementId.InvalidElementId)
+        {
+            WinDialogHelper.ShowModeless<VisibilityView>(new VisibilityViewModel(UiApplication));
+        }
+        else
+        {
+            MessageBox.Show("当前视图已应用视图样板，无法修改其可见性", "提示");
+        }
+    }
+}