public void OnDownloadUpdated(IBrowser browser, DownloadItem downloadItem, IDownloadItemCallback callback) { OnDownloadUpdatedFired?.Invoke(this, downloadItem); if (downloadItem.IsComplete) { List <Parse> Liste = new List <Parse>(); OpenFileDialog file = new OpenFileDialog { FileName = downloadItem.FullPath }; MainWindow main = new MainWindow(); Liste = main.Pars(file); main.Add(Liste); File.Delete(downloadItem.FullPath); } }