public NotificationsListViewModel(INotificationsClient notificationsApi) { Notifications = new ReactiveList<NotificationTileViewModel>(); LoadNotifications = new ReactiveCommand(); var loadedNotifications = LoadNotifications.RegisterAsync(_ => //BlobCache.LocalMachine.GetAndFetchLatest("notifications", () => Observable.Return(new List<Notification>()))); BlobCache.LocalMachine.GetAndFetchLatest("notifications", () => notificationsApi.GetAllForCurrent())); loadedNotifications.Subscribe(newItems => { using (Notifications.SuppressChangeNotifications()) { var toAdd = newItems .Where(x => x.Repository.Owner.Id != 9919 && x.Repository.Owner.Id != 1089146) .Select(x => new NotificationTileViewModel(x)) .ToArray(); Notifications.Clear(); Notifications.AddRange(toAdd); //Notifications.AddRange(new[] { new NotificationTileViewModel(null) }); } }); }