internal static bool DrawScrollBarTrack(Control ctl, Graphics g, Rectangle r, bool rightToLeft, ScrollBarTrackState element_state, bool test)
        {
            g.FillRectangle(new SolidBrush(Colors.Background), new Rectangle(r.X, r.Y, 15, ctl.Height));
            return true;
        }

internal static bool DrawScrollBarTrack(Control ctl, Graphics g, Rectangle r, bool rightToLeft, ScrollBarTrackState element_state, bool test)
{
  if (!test)
  {
    //SystemBrushes doesn't require to be disposed, and use in \"using\" statements
    g.FillRectangle(SystemBrushes.Background, r);
  }
  return true;
}