C# WinForm修改Panel边框颜色

private void panel1_Paint(object sender, PaintEventArgs e)

{

    ControlPaint.DrawBorder(e.Graphics,

                                this.panel1.ClientRectangle,

                                Color.LightSeaGreen,//7f9db9

                                1,

                                ButtonBorderStyle.Solid,

                                Color.LightSeaGreen,

                                1,

                                ButtonBorderStyle.Solid,

                                Color.LightSeaGreen,

                                1,

                                ButtonBorderStyle.Solid,

                                Color.LightSeaGreen,

                                1,

                                ButtonBorderStyle.Solid);

}