private void NavigationView_Navigate(string navItemTag, NavigationTransitionInfo transitionInfo)
        {
            //App.SurveyBenefitCollection.FinalBenefitList[pageNumber] = CurrentBenefitCollection;
            //Debug.WriteLine("Page Number = " + pageNumber);
            Type _page = null;

            if (navItemTag == "settings")
            {
                //_page = typeof(SettingsPage);
            }
            else
            {
                //var item = _pages.FirstOrDefault(p => p.Tag.Equals(navItemTag));
                _page = typeof(SurveyPages.SurveyPage1);
            }
            // Get the page type before navigation so you can prevent duplicate
            // entries in the backstack.
            var preNavPageType = CurrentPageFrame.CurrentSourcePageType;

            // Only navigate if the selected page isn't currently loaded.
            if (!(_page is null) && !Type.Equals(preNavPageType, _page))
            {
                CurrentPageFrame.Navigate(_page, null, transitionInfo);
            }
        }
        private void NavigationView_SelectionChanged(NavigationView sender, NavigationViewSelectionChangedEventArgs args)
        {
            if (args.SelectedItemContainer != null)
            {
                switch (args.SelectedItemContainer.Tag)
                {
                case "Page1":
                    var navItemTag = args.SelectedItemContainer.Tag.ToString();
                    NavigationView_Navigate(navItemTag, args.RecommendedNavigationTransitionInfo);
                    break;

                case "Page2":
                    CurrentPageFrame.Navigate(typeof(SurveyPages.SurveyPage2));
                    break;

                case "Page3":
                    CurrentPageFrame.Navigate(typeof(SurveyPages.SurveyPage3));
                    break;

                case "Page4":
                    CurrentPageFrame.Navigate(typeof(SurveyPages.SurveyPage4));
                    break;

                case "Page5":
                    CurrentPageFrame.Navigate(typeof(SurveyPages.SurveyPage5));
                    break;

                case "Page6":
                    CurrentPageFrame.Navigate(typeof(SurveyPages.SurveyPage6));
                    break;

                case "Page7":
                    CurrentPageFrame.Navigate(typeof(SurveyPages.SurveyPage7));
                    break;

                case "Page8":
                    CurrentPageFrame.Navigate(typeof(SurveyPages.SurveyPage8));
                    break;

                case "FinalBenefitPage":
                    CurrentPageFrame.Navigate(typeof(SurveyPages.FinalBenefitPage));
                    break;

                case "EssayQuestionPage":
                    CurrentPageFrame.Navigate(typeof(SurveyPages.EssayQuestionPage));
                    break;
                }
            }
        }
        public async void CreateSurveyFolder(object sender, RoutedEventArgs e)
        {
            App.surveyFolder = await DownloadsFolder.CreateFolderAsync(SurveyNameInput.Text, CreationCollisionOption.FailIfExists); //ApplicationData.Current.LocalFolder.CreateFolderAsync(SurveyNameInput.Text, CreationCollisionOption.FailIfExists);

            App.surveyFile = await App.surveyFolder.CreateFileAsync(SurveyNameInput.Text + ".json", CreationCollisionOption.ReplaceExisting);

            App.assetsFolder = await App.surveyFolder.CreateFolderAsync("Assets", CreationCollisionOption.FailIfExists);

            /*folderPicker.FileTypeFilter.Add("*");
             * folderPicker.SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.Desktop;
             * App.surveyFolder = await folderPicker.PickSingleFolderAsync();*/
            if (App.surveyFolder != null)
            {
                CurrentPageFrame.Navigate(typeof(SurveyPages.TitlePage));
            }
        }
        public async void OpenSurveyFile(object sender, RoutedEventArgs e)
        {
            folderPicker.FileTypeFilter.Add("*");
            folderPicker.SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.Downloads;
            App.surveyFolder = await folderPicker.PickSingleFolderAsync();



            /*fileOpenPicker.FileTypeFilter.Add(".json");
             * fileOpenPicker.SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.Downloads;
             * StorageFile jsonFile = await fileOpenPicker.PickSingleFileAsync();*/
            App.surveyFile = await App.surveyFolder.GetFileAsync(App.surveyFolder.Name + ".json");

            App.assetsFolder = await App.surveyFolder.GetFolderAsync("Assets");

            //App.surveyFolder = await jsonFile.GetParentAsync();
            if (App.surveyFolder == null)
            {
                Debug.WriteLine("Survey Folder is null");
            }
            var stream = System.IO.WindowsRuntimeStreamExtensions.AsStreamForRead(await App.surveyFile.OpenAsync(FileAccessMode.Read));

            //App.surveyFolder = await StorageFolder.GetFolderFromPathAsync(jsonFile.Path.Remove(jsonFile.Path.Length - jsonFile.Name.Length));


            if (stream != null)
            {
                DataContractJsonSerializer deserializer = new DataContractJsonSerializer(typeof(ObservableCollection <ObservableCollection <Benefit> >));
                App.SurveyBenefitCollection.FinalBenefitList = deserializer.ReadObject(stream) as ObservableCollection <ObservableCollection <Benefit> >;

                CurrentPageFrame.Navigate(typeof(SurveyPages.TitlePage));
            }
            else
            {
                Debug.WriteLine("NULL");
            }
        }