title: Printing Files silently without opening them
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1018137/net-how-to-print-files-w-o-opening-them">.NET: How to print files w/o opening them</a>  </p>
  </blockquote>
  
  
  
  <p>I want to print my files discreetly without opening them 
  I've been told to do this :</p>
  
  <pre><code>ProcessStartInfo psi = new ProcessStartInfo(documentFileName);
  psi.Verb = "Print";
  Process.Start(psi);
  </code></pre>
  
  <p>but ProcessStartInfo open the given file so how can I do my printing silently ???</p>