public CreateQuizViewModel()
{
Quiz = new Quiz();
Questions = new ObservableCollection<Question>();
_questionRepository = new QuestionRepository();
}
public CreateQuestionViewModel()
{
Question = new Question();
Questions = new ObservableCollection<Question>();
_questionRepository = new QuestionRepository();
Questions = _questionRepository.GetQuestions();
Question.PropertyChanged += OnQuestion_PropertyChanged;
Questions.CollectionChanged += new System.Collections.Specialized.NotifyCollectionChangedEventHandler(Questions_CollectionChanged);
}