/// <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="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) { var feed = ((PodcastRssFeedXmlSurrogate.rss) e.NavigationParameter); this.DefaultViewModel["Group"] = feed.channel; this.DefaultViewModel["Items"] = feed.channel.item; if (e.PageState == null) { this.itemListView.SelectedItem = null; // When this is a new page, select the first item automatically unless logical page // navigation is being used (see the logical page navigation #region below.) if (!this.UsingLogicalPageNavigation() && this.itemsViewSource.View != null) { this.itemsViewSource.View.MoveCurrentToFirst(); } } else { // Restore the previously saved state associated with this page if (e.PageState.ContainsKey("SelectedItem") && this.itemsViewSource.View != null) { } } }
private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e) { var instigatingEvent = (KeyRoutedEventArgs)e.NavigationParameter; var key = (int)instigatingEvent.Key; if (key >= 0x41 && key <= 0x5A) //ascii printable { searchBox.QueryText += instigatingEvent.Key; } }
/// <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="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) { var sampleDataGroups = await SubscriptionService.GetSubscriptions(); this.DefaultViewModel["Items"] = sampleDataGroups; }