protected virtual void OnWalkingPositionChanged(WalkingEventArgs args)
        {
            var handler = WalkingPositionChanged;

            if (handler != null)
            {
                handler(this, args);
            }
        }
 private void OnWalkingPositionChanged(object sender, WalkingEventArgs e)
 {
     Dispatcher.BeginInvoke(() =>
         {
         if (_gpsPushpin != null) 
         {
             _gpsPushpin.Location = LocationAssistant.Instance.LastKnownLocation.AsGeoCoordinate();
         }
     });
 }
 protected virtual void OnWalkingPositionChanged(WalkingEventArgs args)
 {
     var handler = WalkingPositionChanged;
     if (handler != null)
     {
         handler(this, args);
     }
 }