public static void Test()
        {
            VScrollBar scroll = Gui.Instance.CreateWidget <VScrollBar>("VScroll", new IntCoord(580, 120, 16, 100), Align.Default, "Main");

            scroll.EventScrollChangePosition += new VScrollBar.HandleScrollChangePosition(scroll_EventScrollChangePosition);

            scroll.MinTrackSize = scroll.MinTrackSize + 1;
            scroll.TrackSize    = scroll.TrackSize + 1;

            int size = scroll.GetLineSize();

            scroll.ScrollViewPage = scroll.ScrollViewPage + 1;
            scroll.ScrollPage     = scroll.ScrollPage + 1;
            scroll.ScrollRange    = scroll.ScrollRange + 10;
            scroll.ScrollPosition = scroll.ScrollPosition + 1;
        }