Revit API 不支持调用Revit内部命令，但可以用RevitCommandId重写它们（包含任意选项卡，菜单和右键命令）。使用RevitCommandId.LookupCommandId()可以提供查询和获取命令的ID，然后用CreateAddInCommandBinding()来创建绑定一个AddInCommandBinding实例，通过Executed和CanExecute事件来完成重写内部命令。
下面是一个具体的例子：
#region Namespaces
using System;
using System.Collections.Generic;
using Autodesk.Revit.ApplicationServices;
using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
#endregion namespace DisableCommand
{
[Autodesk.Revit.Attributes.Transaction(TransactionMode.Manual)]
[Autodesk.Revit.Attributes.Regeneration(RegenerationOption.Manual)]
[Autodesk.Revit.Attributes.Journaling(JournalingMode.NoCommandData)]
class App : IExternalApplication
{
static String s_commandToDisable = "ID_EDIT_DESIGNOPTIONS";
static RevitCommandId s_commandId; public Result OnStartup(UIControlledApplication a)
{
s_commandId = RevitCommandId.LookupCommandId(s_commandToDisable); if (!s_commandId.CanHaveBinding)
{
ShowDialog("Error", "The target command" + s_commandToDisable +
" selected for disabling cannot be overridden");
return Result.Failed;
} try
{
AddInCommandBinding commandBinding = a.CreateAddInCommandBinding(s_commandId);
commandBinding.Executed += commandBinding_Executed;
}
catch (Exception)
{ ShowDialog("Error", "This add-in is unable to disable the target command " + s_commandToDisable +
"; most likly another add-in has overridden this command.");
} return Result.Succeeded;
} void commandBinding_Executed(object sender, Autodesk.Revit.UI.Events.ExecutedEventArgs e)
{
ShowDialog("Disabled", "Use of this command has been disabled.");
} public Result OnShutdown(UIControlledApplication a)
{
if (s_commandId.HasBinding)
a.RemoveAddInCommandBinding(s_commandId); return Result.Succeeded;
} private static void ShowDialog(string title, string message)
{
TaskDialog td = new TaskDialog(title)
{
MainInstruction = message,
TitleAutoPrefix = false
};
td.Show();
}
}
}