OpenNos.GameObject.Character.DeleteFriend C# (CSharp) Method

        public void DeleteFriend(long characterId)
        {
            DAOFactory.CharacterRelationDAO.Delete(CharacterId, characterId);
            CharacterRelationDTO deleteReleation = friends.FirstOrDefault(f => f.RelatedCharacterId == characterId);
            if (deleteReleation != null)
            {
                friends.Remove(deleteReleation);
            }
        }