private void button1_Click(object sender, EventArgs e) { Movie movie = new Movie(textBox1.Text); movie.Director = textBox2.Text; movie.Location = textBox4.Text; movie.Year = Convert.ToInt32(numericUpDown1.Value); movie.MovieGerne = (Movie.Genre)comboBox1.SelectedIndex; collection.Add(movie); listBox1.Items.Add(movie.GetInfo()); }