private void DeletePictureTour(PictureTour e)
        {
            DataServicePictureTour dsPicTour = new DataServicePictureTour();

            PictureTourList.Remove(e);
            dsPicTour.DeletePictureTour(e);
        }
        private void AddPictureTour(byte[] e)
        {
            DataServicePictureTour dsPicTour = new DataServicePictureTour();
            PictureTour            picTour   = new PictureTour();

            picTour.Tour = Tour;
            Tour.Pictures.Add(picTour);
            picTour.Image = e;
            dsPicTour.addPictureTour(picTour);
            PictureTourList.Add(picTour);
        }