public Location()
{
watcher = new GeoCoordinateWatcher(GeoPositionAccuracy.High); // High accuracy - use GPS.
watcher.MovementThreshold = 1; // Will trigger whenever the phone has moved at least 1 metre.
watcher.StatusChanged += new EventHandler<GeoPositionStatusChangedEventArgs>(watcherStatusChanged);
watcher.PositionChanged += new EventHandler<GeoPositionChangedEventArgs<GeoCoordinate>>(watcherPositionChanged);
}