/// <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
{
}
}