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

		internal void PerformPopup ()
		{
			OnPopup (EventArgs.Empty);
		}

        // Create a popup window and show it or only show it if it is already created
        void ShowSubPopup(Menu menu, MenuItem item)
        {
            if (item.Enabled == false)
            {
                return;
            }

            if (!popdown_menu || !item.VisibleItems)
            {
                item.PerformPopup();
            }

            if (item.VisibleItems == false)
            {
                return;
            }

            if (item.Wnd != null)
            {
                item.Wnd.Dispose();
            }

            popup_active = true;
            PopUpWindow puw = new PopUpWindow(GrabControl, item);

            Point pnt;

            if (menu is MainMenu)
            {
                pnt = new Point(item.X, item.Y + item.Height - 2 - menu.Height);
            }
            else
            {
                pnt = new Point(item.X + item.Width - 3, item.Y - 3);
            }
            pnt          = menu.Wnd.PointToScreen(pnt);
            puw.Location = pnt;
            item.Wnd     = puw;

            puw.ShowWindow();
            if (menu.Tracker.ShowSubPopupEvent != null)
            {
                menu.Tracker.ShowSubPopupEvent(this, new SubPopupEventArgs(item));
            }
        }