public void EditClassWithDetails()
        {
            var viewModel = AddClassViewModel.CreateForEdit(MainScreenViewModel, ViewItemsGroupClass.Class);

            viewModel.IncludesEditingDetails = true;
            MainScreenViewModel.ShowPopup(viewModel);
        }
 public void EditClass()
 {
     MainScreenViewModel.ShowPopup(AddClassViewModel.CreateForEdit(MainScreenViewModel, ViewItemsGroupClass.Class));
 }