System.Windows.Forms.MenuTracker.OnMouseUp C# (CSharp) Method

		public void OnMouseUp (MouseEventArgs args)
		{
			/* mouse down dont comes from menu */
			if (!mouse_down)
				return;

			mouse_down = false;

			/* is not left button */
			if ((args.Button & MouseButtons.Left) == 0)
				return;
			
			MenuItem item = GetItemAtXY (args.X, args.Y);

			/* the user released the mouse button outside the menu */
			if (item == null) {
				Deactivate ();
				return;
			}
			
			if (!item.Enabled)
				return;
			
			/* Deactivate the menu when is topmenu and popdown and */
			if (((CurrentMenu == TopMenu) && !(CurrentMenu is ContextMenu) && popdown_menu) || !item.IsPopup) {
				Deactivate ();
				UpdateCursor ();
			}
			
			/* Perform click when is not a popup */
			if (!item.IsPopup) {
				DeselectItem (item);
				
				// Raise the form's MenuComplete event
				if (TopMenu != null && TopMenu.Wnd != null) {
					Form f = TopMenu.Wnd.FindForm ();
					
					//if (f != null)
					//	f.OnMenuComplete (EventArgs.Empty);	
				}
				
				item.PerformClick ();
			}
		}