Occurs when this RibbonBase instance is closing.
Assembly: Microsoft.Office.Tools.Common.v4.0.Utilities (in Microsoft.Office.Tools.Common.v4.0.Utilities.dll)
You can use this event to release application-specific resources that were allocated earlier, for example, in the Load event.
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.