title: Author of a file using c#
body: <p>i want to get the author of a file 
  i used this but it's return the pc\user (khawla-pc\khawla) which is not the real author (Ines). can someone help me?</p>
  
  <pre><code> string path="D:/testUsers/Auteurs connus/ff_ines.docx";
          string user = System.IO.File.GetAccessControl(path).GetOwner(typeof(System.Security.Principal.NTAccount)).ToString();
          Console.WriteLine(user);
  </code></pre>