//TODO questionnumber, make question string separate
public MainViewModel()
{
textQuestion = new TextQuestionVM();
sliderQuestion = new SliderQuestionVM();
Questions = new ObservableCollection <Question>();
foreach (QuestionTypes q in Enum.GetValues(typeof(QuestionTypes)))
{
QuestionType.Add(q);
}
SwitchNewQuestionVisibility = new RelayCommand(SwitchQuestionVisibility);
SwitchEditQuestionVisibility = new RelayCommand(SwitchEditQVisibility);
SaveNewTextQuestion = new RelayCommand(SaveTextQuestion);
SaveNewSliderQuestion = new RelayCommand(SaveSliderQuestion);
DeleteSelectedQuestion = new RelayCommand(DeleteQuestion);
}