private async void UpdateLocationOnMap(LocationUpdate locationUpdate) { await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => { if (!_mapHelper.LocationUpdatesDictionary.Keys.Any(driverName => driverName.Equals(locationUpdate.DriverName, StringComparison.OrdinalIgnoreCase))) { _mapHelper.AddMapPushPin(locationUpdate); } else { _mapHelper.UpdatePushPin(locationUpdate); } }); }