IPortableObject Methods | 
The IPortableObject type exposes the following members.
| Name | Description | |
|---|---|---|
| ReadExternal | 
            Restore the contents of a user type instance by reading its state
            using the specified IPofReader object.
              | |
| WriteExternal | 
            Save the contents of a POF user type instance by writing its
            state using the specified IPofWriter object.
              |