How to check whether location is enabled on windows phone device? http://wtuts.me/LocationEnabled

location.cs

public void locationfinder()
        {
            Deployment.Current.Dispatcher.BeginInvoke(() =>
            {
                GeoCoordinateWatcher g = new GeoCoordinateWatcher(GeoPositionAccuracy.High);
                g.Start();
                if (g.Permission == GeoPositionPermission.Denied)
                {
                    App.phonelocationenabled = false;
                    // then we know it is off, else we assume it is on
                    // Show message box..
                }
                else
                {
                    App.phonelocationenabled = true;
                }
                g.Stop();
                g.Dispose();
            });
        }