private void rightPanel_Paint(object sender, PaintEventArgs e)

{

    Graphics g = e.Graphics;

    Pen p = new Pen(Color.FromArgb(,,,));

    p.Width = ;

    DrawRoundRect(g, p,  + nowPicture * , , , , );

}

public void DrawRoundRect(Graphics g, Pen p, float X, float Y, float width, float height, float radius)

{

　　GraphicsPath gp = new GraphicsPath();

　　gp.AddLine(X + radius, Y, X + width - (radius * ), Y);

　　

　　gp.AddArc(X + width - (radius * ), Y, radius * , radius * , , );

　　gp.AddLine(X + width, Y + radius, X + width, Y + height - (radius * ));

　　gp.AddArc(X + width - (radius * ), Y + height - (radius * ), radius * , radius * , , );

　　gp.AddLine(X + width - (radius * ), Y + height, X + radius, Y + height);

　　gp.AddArc(X, Y + height - (radius * ), radius * , radius * , , );

　　gp.AddLine(X, Y + height - (radius * ), X, Y + radius);

　　gp.AddArc(X, Y, radius * , radius * , , );

　　gp.CloseFigure();

　　g.DrawPath(p, gp);

　　gp.Dispose();

}