ArcGISPortalViewer.ViewModel.MainViewModel.MainViewModel C# (CSharp) Метод

        public MainViewModel(INavigationService navigationService)
        {           
            if (navigationService == null)
                throw new ArgumentNullException("navigationService");
            else
                _navigationService = navigationService;

            try
            {
              Task t = Initialize();
            }            
            catch { }
         
#if DEBUG
            CreateDesignTimeData();
#endif
        }