添加项目文件。

Szmedi.Test/WriteParametersCmd.cs

@@ -0,0 +1,32 @@
+using Autodesk.Revit.Attributes;
+using Autodesk.Revit.DB;
+using Autodesk.Revit.DB.DirectContext3D;
+
+using Nice3point.Revit.Toolkit.External;
+
+
+namespace Szmedi.Test
+{
+    [Transaction(TransactionMode.Manual)]
+    [Regeneration(RegenerationOption.Manual)]
+    public class WriteParametersCmd : ExternalCommand
+    {
+        public override void Execute()
+        {
+            //System.Windows.MessageBox.Show(
+            //    "若当前视图不是三维且所有元素可见则不会修改参数值",
+            //    "注意",
+            //    System.Windows.MessageBoxButton.OK,
+            //    System.Windows.MessageBoxImage.Information
+            //);
+            //WriteParametersWin win = WpfSingletonHelper<WriteParametersWin>.GetInstance(out bool isNewCreate);
+            //if (isNewCreate)
+            //{
+            //    win.DataContext = new WriteParametersViewModel(UiDocument);
+            //    win.ShowAhead();
+            //}
+            //win.Activate();
+            SingletonWindowManager.ShowOrActivate<WriteParametersWin, WriteParametersViewModel>(UiDocument);
+        }
+    }
+}