private void AuthorAuthorization(string login, string password) { if (checkBoxIsNewUser.Checked) { _logicModel.AddNewAuthor(login, password); } else { if (!_logicModel.TryToFindAuthor(login, password)) { MessageBox.Show("Пользователь не найден"); return; } } OpenShildForm(new EditingModeForm(this, ref _logicModel)); }