public static void NewBanner(string s, Rect rect, bool scroll, Color col)
 {
     bannerText = (s != null) ? new BannerText(s, rect, scroll, col) : null;
 }
        public static void Draw(UIElementCollection children)
        {
            if (bannerText == null)
                return;

            Label text = bannerText.GetLabel();
            if (text == null)
            {
                bannerText = null;
                return;
            }
            children.Add(text);
        }