private void DocumentRenderer_PrepareDocumentProgress(object sender,
                                                       DocumentRenderer.PrepareDocumentProgressEventArgs e)
 {
     if (e.Value == e.Maximum)
     {
         //Invoke(new ThreadStart(Close));
     }
     else
     {
         Invoke(new ThreadStart(delegate
         {
             progressBar1.Maximum = e.Maximum;
             progressBar1.Value   = e.Value;
         }));
     }
 }
 private static void DocumentRenderer_PrepareDocumentProgress(object sender, DocumentRenderer.PrepareDocumentProgressEventArgs e)
 {
     Console.Write("\rPage {0}...          ", _pdfPageNumber);
     _pdfPageNumber++;
 }