void NextOnClick(object sender, RoutedEventArgs args)
        {
            if (!NavigationService.CanGoForward)
            {
                JeuDeTacquin page = new JeuDeTacquin();
                page.NumberRows = NumberRows + 1;
                page.NumberCols = NumberCols + 1;

                NavigationService.Navigate(page);
            }
            else
            {
                NavigationService.GoForward();
            }
        }
        void NextOnClick(object sender, RoutedEventArgs args)
        {
            if (!NavigationService.CanGoForward)
            {
                JeuDeTacquin page = new JeuDeTacquin();
                page.NumberRows = NumberRows + 1;
                page.NumberCols = NumberCols + 1;

                NavigationService.Navigate(page);
            }
            else
                NavigationService.GoForward();
        }