private void GeolocatorPositionChanged(Geolocator sender, PositionChangedEventArgs args)
 {
     RaisePositionChanged(args.ToLocationServicePositionChangedEventArgs());
 }
        private void GeolocatorPositionChanged(Geolocator sender, PositionChangedEventArgs args)
        {
            var eventHandler = PositionChanged;

            if (eventHandler != null)
            {
                eventHandler(this, args.ToLocationServicePositionChangedEventArgs());
            }
        }