protected override void OnPaint(PaintEventArgs e)
{
base.OnPaintBackground(e);
checked
{
if (base.BorderStyle == BorderStyle.FixedSingle)
{
ControlPaint.DrawBorder(e.Graphics, new Rectangle(0, 0, base.ClientRectangle.Width - 1, base.ClientRectangle.Height - 1), this._borderColor, ButtonBorderStyle.Solid);
}
else
{
if (VisualStyleRenderer.IsSupported && Application.RenderWithVisualStyles)
{
ControlPaint.DrawVisualStyleBorder(e.Graphics, new Rectangle(0, 0, base.ClientRectangle.Width - 1, base.ClientRectangle.Height - 1));
}
else
{
ControlPaint.DrawBorder3D(e.Graphics, new Rectangle(0, 0, base.ClientRectangle.Width - 1, base.ClientRectangle.Height - 1), Border3DStyle.Sunken);
}
}
}
}