添加项目文件。

DotNet.Revit.InvokeCommand/InvokeHelper.cs

@@ -0,0 +1,40 @@
+using Autodesk.Windows;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+using UIFramework;
+using UIFrameworkServices;
+
+namespace DotNet.Revit.InvokeCommand
+{
+    public static class InvokeHelper
+    {
+        /// <summary>
+        /// 指定一个命令Id，调用命令.
+        /// </summary>
+        /// <param name="id">命令控件的Id值</param>
+        /// <returns></returns>
+        public static bool Invoke(string cmdId)
+        {
+            if (ExternalCommandHelper.CanExecute(cmdId))
+            {
+                ExternalCommandHelper.executeExternalCommand(cmdId);
+                return true;
+            }
+            else if (CommandHandlerService.canExecute(cmdId))
+            {
+                CommandHandlerService.invokeCommandHandler(cmdId);
+                return true;
+            }
+            else
+            {
+                return false;
+            }
+        }
+
+    }
+}