private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            var model = new RelationCheckFormModel();

            model.LoadRelationships();
            DataContext = model;
        }
 private void Window_Loaded(object sender, RoutedEventArgs e)
 {
     var model = new RelationCheckFormModel();
     model.LoadRelationships();
     DataContext = model;
 }