public static void Main()
        {
            MyClass myClass = new MyClass();

            myClass.Add();

            using (FileStream fileStream = new FileStream("test.binary", FileMode.Create))
            {
                IFormatter bf = new BinaryFormatter();
                bf.Serialize(fileStream, myClass);
            }

            using (FileStream fileStream = new FileStream("test.binary", FileMode.Open))
            {
                IFormatter bf = new BinaryFormatter();
                myClass = (MyClass)bf.Deserialize(fileStream);
            }
        }