public void Handle(PointOfInterestLoadFailedEvent e)
        {
            var msg = new MessageDialog(e.PointOfInterestLoadException.Message);

            msg.ShowAsync();
        }
 public async void Handle(PointOfInterestLoadFailedEvent e)
 {
     var message = new MessageDialog(e.PointOfInterestLoadException.Message);
     await message.ShowAsync();
 }