c# panel border color 변경

       

 

 

 protected override void OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);
            int borderWidth = 1;
            Color borderColor = Color.Red;

 

            ControlPaint.DrawBorder(e.Graphics, e.ClipRectangle, borderColor,
             borderWidth, ButtonBorderStyle.Solid, borderColor, borderWidth,

            ButtonBorderStyle.Solid, borderColor, borderWidth,
             ButtonBorderStyle.Solid,

            borderColor, borderWidth, ButtonBorderStyle.Solid);
        }