public static bool DeleteFriend(int id)
        {
            try
            {
                AccountManager lm  = AccountManager.GetInstance();
                DefaultApi     api = new DefaultApi("http://localhost:8080/api/");
                return(api.DeleteFriend(id, lm.Token).Value);
            }
            catch (ApiException e)
            {
            }

            return(false);
        }