private void questionListBox_DoubleClick(object sender, EventArgs e)
{
if (questionListBox.SelectedItem == null)
{
return;
}
selectedQuestion = (Questions)questionListBox.SelectedItem;
updateForm = new QuestionDetails();
updateForm.QuestionUpdated += new QuestionEventHandler(this.UpdateForm_QuestionUpdated);
// takes this from the detailForm instance (QuestionDetails class) to populate data
updateForm.PopulateData(selectedQuestion);
// opens and shows the detail form upon a double click of a listbox item
updateForm.Show();
}
private void RandomQuestion()
{
Random randomNumber = new Random();
triviaQuestionList = new BindingList <Questions>();
for (int i = 0; i < 3;)
{
int placement = randomNumber.Next(0, questionList.Count);
Questions tmpQuestion = questionList[placement];
// the if is utilized to ensure no duplicate questions are added to the trivia list (which contains three questions)
if (!triviaQuestionList.Contains(tmpQuestion))
{
triviaQuestionList.Add(tmpQuestion);
i++;
}
}
}
private void editToolStripMenuItem_Click(object sender, EventArgs e)
{
if (questionListBox.SelectedItem == null)
{
MessageBox.Show("Add a question or load a file first");
return;
}
selectedQuestion = (Questions)questionListBox.SelectedItem;
updateForm = new QuestionDetails();
updateForm.QuestionUpdated += new QuestionEventHandler(this.UpdateForm_QuestionUpdated);
// takes this from the detailForm instance (QuestionDetails class) to populate data
updateForm.PopulateData(selectedQuestion);
// opens and shows the detail form upon a double click of a listbox item
updateForm.Show();
}
private void ShowQuestionInfo()
{
Questions quizQuestion = triviaQuestionList[questionNumber];
questionLabel.Text = quizQuestion.Question;
choiceOneButton.Text = quizQuestion.Answers[0];
choiceTwoButton.Text = quizQuestion.Answers[1];
choiceThreeButton.Text = quizQuestion.Answers[2];
choiceFourButton.Text = quizQuestion.Answers[3];
feedbackLabel.Text = quizQuestion.Feedback;
questionNumberLabel.Text = $"Question {questionNumber + 1} out of 3";
scoreLabel.Text = $"Total Score: {totalScore}";
feedbackLabel.Visible = false;
correctWrongLabel.Visible = false;
nextQuestionButton.Visible = false;
// enables the buttons
choiceOneButton.Enabled = true;
choiceTwoButton.Enabled = true;
choiceThreeButton.Enabled = true;
choiceFourButton.Enabled = true;
}
private void UpdateForm_QuestionUpdated(object sender, Questions q)
{
// reset the bindings so that the listbox updates
// manual refresh
questionList.ResetBindings();
}
private void EntryForm_QuestionCreated(object sender, Questions q)
{
questionList.Add(q); // questions being added to the list
}