private async void print()
        {
            //var success = await Windows.System.Launcher.LaunchUriAsync(uri);
            try
            {
                LoaderText.Text      = "Generando documento PDF...";
                grdLoader.Visibility = Visibility.Visible;

                JsonObject result = await Finances.printCC(UserId);

                Uri    uri      = new Uri(result.GetNamedString("url"));
                string filename = result.GetNamedString("file_name");

                StorageFile destinationFile = await DownloadsFolder.CreateFileAsync(filename, CreationCollisionOption.GenerateUniqueName);

                BackgroundDownloader downloader = new BackgroundDownloader();
                DownloadOperation    download   = downloader.CreateDownload(uri, destinationFile);
                await HandleDownloadAsync(download, true);

                await Windows.System.Launcher.LaunchFileAsync(download.ResultFile);

                grdLoader.Visibility = Visibility.Collapsed;
                LoaderText.Text      = "";
            }
            catch (Exception ex)
            {
                var dialog = new MessageDialog(ex.Message);
                await dialog.ShowAsync();
            }
        }