c# yazdırma nasıl yapılır

 private void BtnYazdir_Click(object sender, EventArgs e)
        {
            PrintDialog pd = new PrintDialog();
            PrintDocument doc = new PrintDocument();
            doc.PrintPage += Doc_printpage;
            pd.Document = doc;
           doc.Print();

        }

        private void Doc_printpage(object sender, PrintPageEventArgs e)
        {
           Bitmap bm= new Bitmap(pictureBox1.Width,pictureBox1.Height);
            pictureBox1.DrawToBitmap(bm,new Rectangle(0,0,pictureBox1.Width,pictureBox1.Height));
            e.Graphics.DrawImage(bm,0,0);
            bm.Dispose();
        }