void btn_Checked(object sender, RoutedEventArgs e)
        {
            var btn = sender as RadioButton;

            _testType = (TestType)(int)btn.GetValue(Grid.ColumnProperty);
            MyCellFactory.StoreValue(this, _testType);
        }
 void CheckCell_Checked(object sender, RoutedEventArgs e)
 {
     MyCellFactory.StoreValue(this, this.IsChecked);
 }