کشیدن نقاشی با توابع ساده گرافیکی و ذخیره خروجی در یک فایل

public void Draw2File ()
{
    Bitmap    bmp = new Bitmap (500, 400);
    Graphics gr = Graphics.FromImage (bmp);
    Rectangle rect = new Rectangle (20, 20, 450, 350);
    gr.DrawRectangle (Pens.Red, rect);
    gr.FillRectangle(Brushes.Pink, rect);
    gr.DrawString ("Salam", new Font ("Arial", 10), Brushes.Red, 50, 50);
    gr.DrawArc (Pens.Red, 30, 30, 60, 60, 0, 180);
    gr.DrawEllipse(new Pen(Color.Yellow, 3), new Rectangle(200, 100, 200, 200));
    bmp.Save ("C:\\1.bmp");
    bmp.Dispose ();
    gr.Dispose ();
}