private async void Window_Loaded(object sender, RoutedEventArgs e) { try { BingWallPaperClient client = new BingWallPaperClient(); await client.DownloadAsync(); BingPhoto.Source = client.WpfPhotoOfTheDay; CopyRightData.Text = client.CoppyRightData; } catch (Exception ex) { MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error); } }