To get access to the record definitions for the structures use:
This operation returns true if a FileWrapper exists at the current position and the out parameter contains a valid File reference. If false is returned the out parameter is a non-valid FileWrapper.
This operation returns true if the requested number of FileWrappers can be delivered and there are additional FileWrappers. If false is returned a list, of length Max or less, containing the last valid FileWrappers associated with the target object.
This operation terminates the target object.