public void RegisterNewAccount()
        {
            narstart = false;
            var t = kbtter.AuthorizeToken(EnteredPinCode);

            if (t != null)
            {
                kbtter.AddToken(t);
                Accounts.Add(String.Format("@{0} ログイン可能", t.ScreenName));
            }
            RaisePropertyChanged("FinishNewAccount");
            StartNewAccountCommand.RaiseCanExecuteChanged();
        }