private void AddButton_Click(object sender, RoutedEventArgs e)
        {
            //try
            //{
            //    Movie movieToAdd = new Movie(titleInput.Text, int.Parse(releaseYearInput.Text));

            //    MovieList.Add(movieToAdd);

            //    titleInput.Clear();
            //    releaseYearInput.Clear();
            //}
            //catch (System.FormatException)
            //{
            //    MessageBox.Show("Please enter a valid year");
            //}
            AddMovie AddMovieForm = new AddMovie();

            AddMovieForm.Show();
        }
        private void Add_Movie()
        {
            var addMovie = new AddMovie();

            addMovie.Show();
        }
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            var addMovie = new AddMovie();

            addMovie.Show();
        }