public Product(Book b)
 {
     book = b;
 }
        void InitDemoInformation(Book prod)
        {
            InitializeComponent();
            string absolute_path = System.IO.Path.Combine(Directory.GetCurrentDirectory(),
                 "covers\\" + prod.Cover);
            Uri videoUri = new Uri(absolute_path);
            BitmapImage cover = new BitmapImage(videoUri);
            image.Source = cover;
            album_title.Content = prod.Cover;
            phouse.Content = prod.PublishingHouse;
            artist.Content = prod.Writers;
            description.Text = prod.Description;
            description.Text += "\n" + "\n" + prod.Summary;
            description.Text += "\n" + "\n" + prod.OtherInfo;
            year.Content = prod.Year;
            genre.Content = prod.Genre;
            if (prod.Trailer == "")
                restartText.Opacity = 0.25;

            if (prod.Position == 0)
                relatedText.Text = "Return To \n Related";
        }