public override void CPDrawSizeGrip (Graphics dc, Color backColor, Rectangle bounds)
{
Pen pen_dark = ResPool.GetPen(ControlPaint.Dark(backColor));
Pen pen_light_light = ResPool.GetPen(ControlPaint.LightLight(backColor));
for (int i = 2; i < bounds.Width - 2; i += 4) {
dc.DrawLine (pen_light_light, bounds.X + i, bounds.Bottom - 2, bounds.Right - 1, bounds.Y + i - 1);
dc.DrawLine (pen_dark, bounds.X + i + 1, bounds.Bottom - 2, bounds.Right - 1, bounds.Y + i);
dc.DrawLine (pen_dark, bounds.X + i + 2, bounds.Bottom - 2, bounds.Right - 1, bounds.Y + i + 1);
}
}