private async void LibraryItemInfo_Loaded(object sender, Windows.UI.Xaml.RoutedEventArgs e) { StorageFile file = await _viewModel.GetStorageFile(_item); _existsOnDisk = file is null ? "No" : "Yes"; OnPropertyChanged(nameof(_existsOnDisk)); if (file != null) { _musicProps = await file.Properties.GetMusicPropertiesAsync(); OnPropertyChanged(nameof(_musicProps)); } }