integrate Revit 2025 SDK

SDK/Samples/ContextMenu/CS/ContextMenuCreator.cs

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+//
+// (C) Copyright 2003-2022 by Autodesk, Inc.
+//
+// Permission to use, copy, modify, and distribute this software in
+// object code form for any purpose and without fee is hereby granted,
+// provided that the above copyright notice appears in all copies and
+// that both that copyright notice and the limited warranty and
+// restricted rights notice below appear in all supporting
+// documentation.
+//
+// AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.
+// AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
+// MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. AUTODESK, INC.
+// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
+// UNINTERRUPTED OR ERROR FREE.
+//
+// Use, duplication, or disclosure by the U.S. Government is subject to
+// restrictions set forth in FAR 52.227-19 (Commercial Computer
+// Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii)
+// (Rights in Technical Data and Computer Software), as applicable.
+//
+using Autodesk.Revit.UI;
+
+
+namespace Revit.SDK.Samples.ContextMenu.CS
+{
+   /// <summary>
+   /// Implements the Revit add-in interface IContextMenuCreator,
+   /// build context menu passed in.
+   /// </summary>
+   public class ContextMenuCreator : IContextMenuCreator
+   {
+      public void BuildContextMenu(Autodesk.Revit.UI.ContextMenu menu)
+      {
+         // Add a command menu item.
+         var item1 = new CommandMenuItem("Show Selection", typeof(ShowSelection).FullName, typeof(ContextMenuApplication).Assembly.Location);
+         item1.SetAvailabilityClassName(typeof(ShowSelection).FullName);
+         menu.AddItem(item1);
+
+         // Add a separator.
+         menu.AddItem(new SeparatorItem());
+
+         var subMenu = new Autodesk.Revit.UI.ContextMenu();
+         var item2 = new CommandMenuItem("Show Selection", typeof(ShowSelection).FullName, typeof(ContextMenuApplication).Assembly.Location);
+         item2.SetAvailabilityClassName(typeof(ShowSelection).FullName);
+         subMenu.AddItem(item2);
+         // Add a sub-menu item.
+         menu.AddItem(new SubMenuItem("subMenu", subMenu));
+      }
+   }
+
+}