public QuizzesA()
        {
            InitializeComponent();
            n = 0;
            MetodyPomocnicze nowa = new MetodyPomocnicze();

            planszatestowa         = nowa.nowyQuizPlansza(n, ZbiorDanych.QuizzyPlanszeA);
            quizzysTypA.Source     = new ImageSourceConverter().ConvertFromString(planszatestowa.QuizAAdress) as ImageSource;
            buttonFilm.Visibility  = Visibility.Hidden;
            quizzanswer.Content    = planszatestowa.QuizzAnswer;
            quizzanswer.Visibility = Visibility.Hidden;
        }
        private void Button_Forward(object sender, RoutedEventArgs e)
        {
            n++;
            MetodyPomocnicze nowa = new MetodyPomocnicze();

            planszatestowa         = nowa.nowyQuizPlansza(n, ZbiorDanych.QuizzyPlanszeA);
            quizzysTypA.Source     = new ImageSourceConverter().ConvertFromString(planszatestowa.QuizAAdress) as ImageSource;
            quizzanswer.Content    = planszatestowa.QuizzAnswer;
            buttonFilm.Visibility  = Visibility.Hidden;
            Button1.Visibility     = Visibility.Visible;
            Button2.Visibility     = Visibility.Visible;
            Button3.Visibility     = Visibility.Visible;
            Button4.Visibility     = Visibility.Visible;
            quizzanswer.Visibility = Visibility.Hidden;
        }