System.Windows.Forms.MenuItem.Invalidate C# (CSharp) Method

		internal virtual void Invalidate ()
		{
			if ((Parent == null) || !(Parent is MainMenu) || (Parent.Wnd == null))
				return;
				
			Form form = Parent.Wnd.FindForm ();
			if ((form == null) || (!form.IsHandleCreated))
				return;
			
			//XplatUI.RequestNCRecalc (form.Handle);
		}