public static void Draw(UIElementCollection children)
        {
            if (bannerText == null)
                    return;

                Label text = bannerText.GetLabel();
                if (text == null)
                {
                    bannerText = null;
                    return;
                }
                children.Add(text);
        }
 public static void NewBanner(string s, Rect rect, bool scroll, Color col)
 {
     bannerText = new BannerText(s, rect, scroll, col);
 }