private void StartQuiz(object sender, EventArgs e, Quiz quiz)
{
QuestionForm questionForm = new QuestionForm(quiz.Questions);
questionForm.Show();
this.Visible = false;
}
private void SwitchToNextQuestion(object sender, EventArgs e)
{
// TODO: Update Quiz Result
QuestionForm questionForm = new QuestionForm(this.questions, this.currentQuestionIndex + 1);
questionForm.Show();
this.Visible = false;
}