private void RemoveFamily() { if (_displayPerson == null || _addFamilyPerson == null) { return; } if (_displayPerson.Equals(_addFamilyPerson)) { return; } if (_displayPerson.Family.Contains(_addFamilyPerson)) { _persMgr.RemoveFamily(_displayPerson, _addFamilyPerson); base.OnPropertyChanged("Family"); } return; }