Gets or sets a value that indicates whether the menu can be modified at run time.
Assembly: Microsoft.Office.Tools.Common (in Microsoft.Office.Tools.Common.dll)
Set theproperty to true if you want to add controls to the menu at run time, after the Ribbon is loaded by the Microsoft Office application.
For menus that you add to the Ribbon at design time, the Ribbon Object Model Overview.property can be set only before the Ribbon loads. For more information, see
This property can be set at run time only under certain conditions. For more information, see Ribbon Object Model Overview.