private async void List_Tapped(object sender, Windows.UI.Xaml.Input.TappedRoutedEventArgs e) { var textBlock = sender as TextBlock; var data = textBlock.DataContext as ViewModels.TodoListViewModel; var editor = new Controls.TodoListEditor { PrimaryButtonText = "Close", SecondaryButtonText = "Delete", DataContext = data, SecondaryButtonCommand = this.ViewModel.RemoveListCommand, SecondaryButtonCommandParameter = data, }; await editor.ShowAsync(); }