/// <summary> /// Populates the page with content passed during navigation. Any saved state is also /// provided when recreating a page from a prior session. /// </summary> /// <param name="sender"> /// The source of the event; typically <see cref="Common.NavigationHelper"/> /// </param> /// <param name="e">Event data that provides both the navigation parameter passed to /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and /// a dictionary of state preserved by this page during an earlier /// session. The state will be null the first time a page is visited.</param> private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e) { if (e.PageState != null && e.PageState.ContainsKey("mruToken")) { object value = null; if (e.PageState.TryGetValue("mruToken", out value)) { if (value != null) { mruToken = value.ToString(); // Open the file via the token that you stored when adding this file into the MRU list. Windows.Storage.StorageFile file = await Windows.Storage.AccessCache.StorageApplicationPermissions.MostRecentlyUsedList.GetFileAsync(mruToken); if (file != null) { // Open a stream for the selected file. Windows.Storage.Streams.IRandomAccessStream fileStream = await file.OpenAsync(Windows.Storage.FileAccessMode.Read); // Set the image source to a bitmap. Windows.UI.Xaml.Media.Imaging.BitmapImage bitmapImage = new Windows.UI.Xaml.Media.Imaging.BitmapImage(); bitmapImage.SetSource(fileStream); displayImage.Source = bitmapImage; // Set the data context for the page. this.DataContext = file; } } } } }
/// <summary> /// Populates the page with content passed during navigation. Any saved state is also /// provided when recreating a page from a prior session. /// </summary> /// <param name="sender"> /// The source of the event; typically <see cref="Common.NavigationHelper"/> /// </param> /// <param name="e">Event data that provides both the navigation parameter passed to /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and /// a dictionary of state preserved by this page during an earlier /// session. The state will be null the first time a page is visited.</param> private void navigationHelper_LoadState(object sender, LoadStateEventArgs e) { // Restore values stored in session state. if(e.PageState != null && e.PageState.ContainsKey("greetingOutputText")) { greetingOutput.Text = e.PageState["greetingOutputText"].ToString(); } // Restores values stored in app data. Windows.Storage.ApplicationDataContainer roamingSettings = Windows.Storage.ApplicationData.Current.RoamingSettings; if (roamingSettings.Values.ContainsKey("userName")) { nameInput.Text = roamingSettings.Values["userName"].ToString(); } }