private void AgentsMap_MouseClick(object sender, Microsoft.Maps.MapControl.MapMouseEventArgs e)
        {
            Location location = AgentsMap.ViewportPointToLocation(e.ViewportPoint);
            double longitude = location.Longitude;
            double latitude = location.Latitude;

            var newPoint = new FishingPoint.Web.Point()
            {
                Longitude = longitude,
                Latitude = latitude,
            };

            var addNewPointMessage = new AddNewPointMessage()
            {
                Point = newPoint,
            };

            Messenger.Default.Send<AddNewPointMessage>(addNewPointMessage);
        }
 public void OnAddNewPoint(AddNewPointMessage msg)
 {
     var  newPoint = msg.Point;
     this.Points.Add(newPoint);
 }