Boxing2.Program.Main3 C# (CSharp) Méthode

        public static void Main3()
        {
            Point p = new Point(1, 1);
            Console.WriteLine(p);
            p.Change(2, 2);
            Console.WriteLine(p);
            Object o = p;
            Console.WriteLine(o);
            ((Point)o).Change(3, 3);
            Console.WriteLine(o);
        }
    }