private void DeleteButton_Click(object sender, RoutedEventArgs e)
{
var result = MessageBox.Show("Confirm delete?", "Delete", MessageBoxButton.OKCancel);
Editor editor = LayoutRoot.Resources["MyEditor"] as Editor;
if (result == MessageBoxResult.OK)
{
if (editor.DeleteSelected.CanExecute(null))
editor.DeleteSelected.Execute(null);
}
}