添加项目文件。

RevitAddins/ExportSheetsCmd.cs

@@ -0,0 +1,28 @@
+
+using Autodesk.Revit.Attributes;
+
+using Nice3point.Revit.Toolkit.External;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+using System.Threading.Tasks;
+
+namespace RevitAddins
+{
+    /// <summary>
+    /// 属性表导出
+    /// </summary>
+    [Transaction(TransactionMode.Manual)]
+    [Regeneration(RegenerationOption.Manual)]
+    public class ExportSheetsCmd : ExternalCommand
+    {
+        public override void Execute()
+        {
+            MainWindow window = new MainWindow() { DataContext = new MainViewModel(Application) };
+            window.ShowDialog();
+        }
+    }
+}