private async void ExportLog_Click(object sender, RoutedEventArgs e) { FileSavePicker Picker = new FileSavePicker { SuggestedFileName = "Export_Error_Log.txt", SuggestedStartLocation = PickerLocationId.Desktop }; Picker.FileTypeChoices.Add(Globalization.GetString("File_Type_TXT_Description"), new List <string> { ".txt" }); if (await Picker.PickSaveFileAsync() is StorageFile PickedFile) { await LogTracer.ExportLogAsync(PickedFile).ConfigureAwait(false); } }