System.Runtime.Serialization.ISerializable

Allows you to provide your own custom binary serialization
When a class needs to control its serialization process it can implement this interace
The order in which objects are deserialized cannot be guaranteed

[Serializable] 
public class MyClass : ISerializable 
{ 
} 

Serialization is the process of converting complex objects into a stream of bytes for storage

GetObjectData Method

This method is called to serialise the object.
Populates a SerializationInfo with the data needed to serialize the target object

Constructor Method

A special constructor method is called to deserialize the object.