private void exampleRadioButton_Click_1(object sender, EventArgs e)
        {
            int                     count            = choicePanelList.Count;
            RadioButton             exampRadioButton = (RadioButton)sender;
            ExamMultipleChoicePanel choicePanel      = (ExamMultipleChoicePanel)exampRadioButton.Parent;

            for (int i = 0; i < count; i++)
            {
                if (choicePanelList[i] != choicePanel)
                {
                    choicePanelList[i].ExampleRadioButton.Checked = false;
                }
            }

            answer = choicePanelList.IndexOf(choicePanel);
        }
        private void setMultipleQuestions(string[] multipleQuestions)
        {
            int length = multipleQuestions.Length;

            for (int i = 0; i < length; i++)
            {
                ExamMultipleChoicePanel choicePanel = new ExamMultipleChoicePanel(customFonts, multipleQuestions[i]);
                if (i == 0)
                {
                    choicePanel.Location = new Point(50, QuestionLabel.Location.Y + QuestionLabel.Height + 30);
                }
                else
                {
                    choicePanel.Location = new Point(50, choicePanelList[i - 1].Location.Y + choicePanelList[i - 1].Height + 5);
                }
                this.Controls.Add(choicePanel);
                choicePanelList.Add(choicePanel);

                if (isStudent)
                {
                    choicePanel.ExampleRadioButton.Click += exampleRadioButton_Click_1;
                }
            }
        }