public void RaisePostBackEvent(string args)
        {
            int             i  = Int32.Parse(args);
            OverlayMenuItem mi = (OverlayMenuItem)miList[i];

            mi.InvokeClick();
        }
        protected override void AddParsedSubObject(object obj)
        {
            OverlayMenuItem m = obj as OverlayMenuItem;

            if (m != null)
            {
                m.MenuItemIndex = miList.Add(m);
            }
            else
            {
                base.AddParsedSubObject(obj);
            }
        }