/// <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="navigationParameter">The parameter value passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested.
/// </param>
/// <param name="pageState">A dictionary of state preserved by this page during an earlier
/// session. This will be null the first time a page is visited.</param>
protected override async void LoadState(Object navigationParameter, Dictionary<String, Object> pageState)
{
// Allow saved page state to override the initial item to display
if (pageState != null && pageState.ContainsKey("DataContext"))
{
_viewModel = (FolderViewModel)pageState["DataContext"];
}
else if (navigationParameter is FileActivatedEventArgs)
{
await _viewModel.Initialize((FileActivatedEventArgs)navigationParameter);
}
#if !DEBUG
// To make debugging easier this code is only included in release mode
if (!_viewModel.ContainsPictures)
{
await ShowWarningAndClose();
}
#endif
}
public MainPage()
{
this.InitializeComponent();
_viewModel = new FolderViewModel();
DataContext = _viewModel;
}