title: Opendialog for showing Removable disks in c#
body: <p>I want to show a open dialog for the user, where the user can select only the files from the removable disks in the system. I am using the below code. But i need to get the Guid of removable disk to open the dialog.</p>
  
  <p>Tell me how...</p>
  
  <pre><code>System.Windows.Forms.OpenFileDialog dls = new System.Windows.Forms.OpenFileDialog();
  dls.CustomPlaces.Clear();
  foreach (DriveInfo Drive in ListDrives)
  {
      if (Drive.DriveType == DriveType.Removable)
      {
          dls.CustomPlaces.Add(-----Guid of Drive------);
      }
      dls.ShowDialog();
  }
  </code></pre>