Winform 无边框 绘制自定义边框

private void FrmLogin_Paint(object sender, PaintEventArgs e)

         {

             ///自定义绘制边框颜色

             //e.Graphics.DrawRectangle(Pens.DarkOliveGreen, 0, 0, this.Width - 1, this.Height - 1);

             e.Graphics.DrawRectangle(Common.FromCustomStyle.CustomFormBorder(), 0, 0, this.Width - 1, this.Height - 1);

         }