protected override void HandleNavigationHelperSaveState(object sender, SaveStateEventArgs e)
{
base.HandleNavigationHelperSaveState(sender, e);
e.PageState.Add("LIBRARY_PIVOT_INDEX", RootPivot.SelectedIndex);
songListRestoreHelper.SaveState(e.PageState);
albumListRestoreHelper.SaveState(e.PageState);
artistListRestoreHelper.SaveState(e.PageState);
}
protected override void HandleNavigationHelperSaveState(object sender, SaveStateEventArgs e)
{
base.HandleNavigationHelperSaveState(sender, e);
listRestoreHelper.SaveState(e.PageState);
}
/// <summary>
/// Preserves state associated with this page in case the application is suspended or the
/// page is discarded from the navigation cache. Values must conform to the serialization
/// requirements of <see cref="SuspensionManager.SessionState"/>.
/// </summary>
/// <param name="sender">The source of the event; typically <see cref="NavigationHelper"/></param>
/// <param name="e">Event data that provides an empty dictionary to be populated with
/// serializable state.</param>
protected virtual void HandleNavigationHelperSaveState(object sender, SaveStateEventArgs e)
{
}