To get access to the record definitions for the structures use:
This operation resets the position to the first property.
This operation returns true . If false is returned the out parameter is a non-valid Property.
This operation returns true if the requested number of properties can be delivered and there are additional properties. If false is returned and a sequence of max HowMany properties will be returned and no more properties can be delivered.
This operation will terminate the Iterator and all subsequent calls will fail.