/// <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();
}
}
