public void UnregisterQuestionGroup(QuestionGroupBuilder toUnregister)
{
QuestionBuilder[] questionGroups = toUnregister.GetQuestionBuilders();
for (int i = 0; i < questionGroups.Length; i++)
{
sortedQuestionBuilders.Remove(questionGroups[i]);
}
RefreshNumeration();
}
public void RegisterQuestionGroup(QuestionGroupBuilder toRegister)
{
if (!GetQuestionGroupBuilders().Contains(toRegister))
{
throw new ArgumentException();
}
if (toRegister == null)
{
throw new ArgumentNullException(nameof(toRegister));
}
QuestionBuilder[] questionBuilders = toRegister.GetQuestionBuilders();
for (int i = 0; i < questionBuilders.Length; i++)
{
if (!sortedQuestionBuilders.Contains(questionBuilders[i]))
{
sortedQuestionBuilders.Add(questionBuilders[i]);
}
}
RefreshNumeration();
}