private void saveButtonGroupIsBound() {
    if (myGroup.isBound() != myBindToFieldCheckBox.isSelected()) {
      myGroup.setBound(myBindToFieldCheckBox.isSelected());
      notifyListeners(new ChangeEvent(myGroup));
      if (myGroup.isBound()) {
        BindingProperty.updateBoundFieldName(myRootContainer, null, myGroup.getName(), ButtonGroup.class.getName());
      }
      else {
        BindingProperty.checkRemoveUnusedField(myRootContainer, myGroup.getName(),
                                               FormEditingUtil.getNextSaveUndoGroupId(myRootContainer.getProject()));
      }
    }
  }
private void saveButtonGroupIsBound()