public SettingsPageViewModel(PageManager pageManager, IReactiveFolderSettings settings)
			: base(pageManager)
		{
			Settings = settings;

			ReactionCheckInterval = new ReactiveProperty<string>(settings.DefaultMonitorIntervalSeconds.ToString());

			ReactionCheckInterval.Subscribe(x =>
			{
				settings.DefaultMonitorIntervalSeconds = int.Parse(x);
				settings.Save();
			});

			ReactionCheckInterval.SetValidateNotifyError(x => 
			{
				int temp;
				if (false == int.TryParse(x, out temp))
				{
					return "Number Only";
				}

				return null;
			});

		}
		public FolderReactionManagePageViewModel(PageManager pageManager, IFolderReactionMonitorModel monitor, IEventAggregator ea, IAppPolicyManager appPolicyManager, IHistoryManager historyManager, IReactiveFolderSettings settings)
			: base(pageManager)
		{
			Monitor = monitor;
			_EventAggregator = ea;
			AppPolicyManager = appPolicyManager;
			HistoryManager = historyManager;
			Settings = settings;



			CurrentFolder = new ReactiveProperty<ReactionManageFolderViewModel>();
			FolderStack = new ObservableCollection<ReactionManageFolderViewModel>();

			FolderStack.CollectionChangedAsObservable()
				.Subscribe(x => 
				{
					CurrentFolder.Value = FolderStack.Last();
				});

			FolderStack.Add(new ReactionManageFolderViewModel(this, Monitor.RootFolder));
		}