public function afterRemove()
 {
     foreach (erLhcoreClassModelDepartamentGroupUser::getList(array('limit' => false, 'filter' => array('dep_group_id' => $this->id))) as $groupUser) {
         $groupUser->removeThis();
     }
     foreach (erLhcoreClassModelDepartamentGroupMember::getList(array('limit' => false, 'filter' => array('dep_group_id' => $this->id))) as $groupMember) {
         $groupMember->removeThis();
     }
 }