protected virtual void OnEvaluate(int questionNumber, string answer)
{
string userFeedBack = string.Empty;
string summaryFeedBack = string.Empty;
// go through the answers
foreach (Answer a in m_answers)
{
// find the question, the question has the right answer
if (questionNumber == a.QuestionNumber)
{
// evalute the user provided answer
// with the correct answer
if (answer == a.CorrectAnswer)
{
m_numberCorrect++;
userFeedBack = $"{a.CorrectAnswer} is the correct answer";
summaryFeedBack = "Correct";
}
else
{
m_numberIncorrect++;
userFeedBack = $"{answer} is incorrect \n {a.CorrectAnswer} is the correct answer";
summaryFeedBack = "Incorrect";
}
m_numberOfQuestionsAnswered++;
m_successPercentage = Decimal.Divide((decimal)m_numberCorrect, (decimal)m_numberOfQuestionsAnswered) * 100.00m;
m_successPercentage = (decimal)Math.Round(m_successPercentage);
SummaryItem s = new SummaryItem(a.QuestionNumber, a.CorrectAnswer, answer, summaryFeedBack);
m_summary.Add(s);
break;
}
}
EvaluationEventArgs e = new EvaluationEventArgs(m_numberCorrect, m_numberIncorrect, m_successPercentage, userFeedBack);
AnswerEvaluated(this, e);
if (questionNumber == m_numberOfQuestions)
{
OnEnd();
}
}
public void Quiz_AnswerEvaluated(object sender, EvaluationEventArgs e)
{
UpdateStatusPanels(e.CorrectlyAnswered, e.IncorrectlyAnswered, e.SuccessPercentage);
MessageBox.Show(e.Feedback, "Multiple Choice Quiz", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
