private async void Radio_Loaded(object sender, RoutedEventArgs e) { ProgressBar_Loading.Visibility = Visibility.Visible; DjRadio djRadio = await DjRadioService.GetUserCreatedRadio(ConfigService.Uid); if (djRadio == null) { NotifyPopup notifyPopup = new NotifyPopup("获取失败"); notifyPopup.Show(); } else { ListBox_Created.ItemsSource = djRadio.DjRadios; } ProgressBar_Loading.Visibility = Visibility.Collapsed; }