// Invoked by answer-control, checkCorrect_CheckStateChanged if checked
// Unchecks all answer-control from list of answer-control, except correct answer(caller)
private void CorrectAnswerChanged(object checkstate, AnswerCreate answerControl)
{
foreach (AnswerCreate item in answerControls)
{
// if not caller
if (!item.Equals(answerControl))
{
item.CorrectAnswerChecked = false;
}
}
}
// Click event; add new "Answer"
private void lnkAddAnswer_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
// New
var answerControl = new AnswerCreate();
// Add answerControl EventHandlers and method that will handle an event when the event provides data.
answerControl.CheckStateChanged += new EventHandler <AnswerCreate>(CorrectAnswerChanged);
answerControl.RemoveAnswer += new EventHandler <AnswerCreate>(RemoveAnswerControl);
// Add to list of answer-controls
answerControls.Add(answerControl);
// Add to panel
pnlAnswers.Controls.Add(answerControl);
}
// Invoked by answer-control, btnRemove_Click
// Removed caller from list, and dispose
private void RemoveAnswerControl(object checkstate, AnswerCreate answerControl)
{
answerControls.Remove(answerControl);
answerControl.Dispose();
}