Generate the response block of this request.
        Careful: it only sets the fields which can be set from the request

def get_response(self):
        """Generate the response block of this request.
        Careful: it only sets the fields which can be set from the request
        """
        res = IOCRBlockRes()
        for field in ["IOCRType", "IOCRReference", "FrameID"]:
            res.setfieldval(field, self.getfieldval(field))
        return res