Windows Phone Hackathon : Bing Map Sample - Code - Watcher Events (continued from https://gist.github.com/2986924 )

gistfile1.cs

private void watcher_PositionChanged(object sender, GeoPositionChangedEventArgs<GeoCoordinate> e) {
	Deployment.Current.Dispatcher.BeginInvoke(() => LocationChanged(e));
}
private void LocationChanged(GeoPositionChangedEventArgs<GeoCoordinate> e) {
	GeoCoordinate location = e.Position.Location;
	Map_Main.SetView(location, 15);

	PushPin_Main.Location = location;
	PushPin_Main.Visibility = System.Windows.Visibility.Visible;

	ApplicationBarIconButton ApplicationBarButton_FindMe = 
		ApplicationBar.Buttons[0] as ApplicationBarIconButton;
	ApplicationBarButton_FindMe.IsEnabled = true;
}

private void watcher_StatusChanged(
	object sender, GeoPositionStatusChangedEventArgs e) {
	Deployment.Current.Dispatcher.BeginInvoke(() => LocationStatusChanged(e));
}
private void LocationStatusChanged(GeoPositionStatusChangedEventArgs e) {
	ApplicationBarIconButton ApplicationBarButton_FindMe = 
		ApplicationBar.Buttons[0] as ApplicationBarIconButton;
	switch (e.Status) 	{
		case GeoPositionStatus.Disabled:
			// The location service is disabled or unsupported.
			// Alert the user
			TextBlock_Status.Text = "location service in not available";
			ApplicationBarButton_FindMe.IsEnabled = false;
			break;
		case GeoPositionStatus.Initializing:
			// The location service is initializing.
			// Disable the Start Location button
			TextBlock_Status.Text = "initializing";
			break;
		case GeoPositionStatus.NoData:
			// The location service is working, but it cannot get location data
			// Alert the user and enable the Stop Location button
			TextBlock_Status.Text = "no data found";
			PushPin_Main.Visibility = Visibility.Collapsed;
			ApplicationBarButton_FindMe.IsEnabled = false;
			break;
		case GeoPositionStatus.Ready:
			// The location service is working and is receiving location data
			// Show the current position and enable the Stop Location button
			TextBlock_Status.Text = "found you";
			PushPin_Main.Visibility = Visibility.Visible;
			ApplicationBarButton_FindMe.IsEnabled = true;
			break;
	}
}