print orders from different places

 private void btnDruck_Click(object sender, EventArgs e)
{
 PrintDocument Druckjob = new PrintDocument();
 PrintDialog Druckermenue = new PrintDialog();
 PrintPreviewDialog Druckpreview = new PrintPreviewDialog();
 Druckjob.DocumentName = "Rechnung";

 Druckjob.PrintPage += new PrintPageEventHandler(Druckjob_PrintPage);
 Druckpreview.Document = Druckjob;
 Druckermenue.Document = Druckjob;
 if (Druckermenue.ShowDialog() == DialogResult.OK)
 {
  Druckjob.Print();
 }
 Druckjob.PrintPage -= new PrintPageEventHandler(Druckjob_PrintPage);
  
}
void Druckjob_PrintPage(object sender, PrintPageEventArgs e)
{
 Graphics g = e.Graphics;
 StringFormat lineFmtRight = new StringFormat();
 lineFmtRight.Alignment = StringAlignment.Far;
 g.PageUnit = GraphicsUnit.Millimeter;

 // Druckausgabe ...
 // Drucken ..

 g.Dispose();
}