public void CheckAllAnswers(string answerString)
{
try
{
foreach (var quest in _SelectedQuestionsCollection)
{
foreach (var answ in quest.Answers)
{
if (answ.Text == answerString)
{
if (!SelectedQuestionsInApplication.Contains(quest))
{
((List <QuestionDTO>)SelectedQuestionsInApplication).Add(quest as QuestionDTO);
QuesAnsw.Add(quest.QuestionText,
_SelectedAnswersCollection.Single(x => x.Text == answerString));
}
else if (SelectedQuestionsInApplication.Contains(quest) && answ.Text != null)
{
QuesAnsw[quest.QuestionText] =
_SelectedAnswersCollection.Single(x => x.Text == answerString);
}
}
}
}
}
catch (NullReferenceException)
{
throw new Exception("You haven't chosen the answer!");
}
}
public void MoveNext()
{
foreach (var i in _SelectedQuestionsCollection)
{
if (!QuesAnsw.ContainsKey(i.QuestionText))
{
GetAnswers(i.QuestionText);
break;
}
}
}
