/// <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) { // TODO: Create an appropriate data model for your problem domain to replace the sample data. var item = await SampleDataSource.GetItemAsync((string)e.NavigationParameter); this.DefaultViewModel["Item"] = item; this.DefaultViewModel[UserLocationName] = GeolocationDataSource.GetProperty(UserLocationName); }
/// <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 sampleDataGroup = await SampleDataSource.GetGroupAsync("PointsOfInterest-2"); this.DefaultViewModel[FirstGroupName] = sampleDataGroup; this.DefaultViewModel[UserLocationName] = GeolocationDataSource.GetProperty(UserLocationName); try { if (e.PageState.ContainsKey("ZoomLevel")) { center = (BasicGeoposition)e.PageState["Center"]; zoomLevel = (double)e.PageState["ZoomLevel"]; } } catch { } }