public MainViewModel()
{
ImageHelper = MyFactory.GetImageHelper();;
Timer = MyFactory.GetTimeHelper(Constants.TimeHelperType.STOPWATCH);
Timer.TimeUpdated += UpdateDisplayTime;
ImageClicked = new RelayCommand(f => { ImageClickedCommand(); }, f => true);
TimerClicked = new RelayCommand(f => { TimerClickedCommand(); }, f => true);
}