title: Excel.Workbook.SaveAs(...) with a same name file
body: <p>I'm working with xls file. How can I save it (if exist) with the same  file name + "(copy 1)" like Windows desktop.</p>
  
  <p>method saveCommande(...)</p>
  
  <pre><code>        if(!Directory.Exists(System.Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + "EE_Commande_Fournisseur"))
          {
              Directory.CreateDirectory(System.Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + "\\EE_Commande_Fournisseur");
          }
          xlWorkBook.SaveAs("EE_Commande_Fournisseur\\" + path, Excel.XlFileFormat.xlWorkbookNormal, misValue, misValue, true, misValue, Excel.XlSaveAsAccessMode.xlExclusive, misValue, misValue, misValue, misValue, misValue);
          path = System.Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + "\\EE_Commande_Fournisseur\\" + path;
  
          xlWorkBook.Close(true, misValue, misValue);
          xlApp.Quit();
          this.ReleaseComObject(xlApp,xlWorkBook);
          //sauvergarde dans la base de données
          _newAchatCommande.path = path;
          this._fileName = path;
          contexte.AddToAchatCommande(_newAchatCommande);
          contexte.SaveChanges();
  </code></pre>
  
  <p>thanks</p>