private void BroadcastNewProgressDownloadingFileEvent(string message, int progress)
 {
     Fetching.EventHandlers.NewProgressDownloadingFileEventArgs e = new Fetching.EventHandlers.NewProgressDownloadingFileEventArgs();
     e.Message  = message;
     e.Progress = progress;
     OnNewProgressDownloadingFile(this, e);
 }
 protected virtual void OnNewProgressDownloadingFile(object sender, Fetching.EventHandlers.NewProgressDownloadingFileEventArgs e)
 {
     NewProgressDownloadingFile?.Invoke(this, e);
 }