private void OnUploadFailed(object sender, UploadReportFailedEventArgs args)
 {
     if (UploadFailed != null)
     {
         UploadFailed(this, args);
     }
 }
 private void OnUploadFailed(object sender, UploadReportFailedEventArgs e)
 {
     if (UploadFailed != null)
     {
         UploadFailed(sender, e);
     }
 }