Windows Get Location

location.cs

private async void Button_Click(object sender, RoutedEventArgs e) 
{ 
    var locator = new Windows.Devices.Geolocation.Geolocator(); 
    var location = await locator.GetGeopositionAsync(); 
    var position = location.Coordinate.Point.Position; 
    var latlong = string.Format("lat:{0}, long:{1}", position.Latitude, position.Longitude); 
    var result = MessageBox.Show(latlong); 
}