static Person DeepClone(Person p)
{
var ds = new DataContractSerializer(typeof(Person));
MemoryStream stream = new MemoryStream();
ds.WriteObject(stream, p);
stream.Position = 0; // Why ?
return (Person)ds.ReadObject(stream);
}
static void Main(string[] args)
{
Person person = new Person { Name = "Stacey", Age = 30 };
Student student = new Student { Name = "Stacey", Age = 30 };
Teacher teacher = new Teacher { Name = "Stacey", Age = 30 };
Person p2 = DeepClone(person); // OK
Student s2 = (Student)DeepClone(student); // SerializationException
Teacher t2 = (Teacher)DeepClone(teacher); // SerializationException
Person p = new Person() { Name = "George", Age = 25 };
IFormatter formatter = new BinaryFormatter();
using (FileStream s = File.Create("serialized.bin"))
formatter.Serialize(s, p);
}