private void nextButton_Click(object sender, EventArgs e) { var userAnswer = GetUserAnswer(userAnswerTextBox.Text); game.AcceptAwswer(userAnswer); userAnswerTextBox.Clear(); userAnswerTextBox.Focus(); if (game.End()) { var diagnose = game.CalculateDiagnose(); MessageBox.Show(diagnose); UserResultsStoreage.Append(user); userAnswerTextBox.Enabled = false; nextButton.Enabled = false; return; } ShowNextQuestion(); }