def __preroll(self, *arg, **argd):
Axon.Scheduler.scheduler.run = Axon.Scheduler.scheduler()
chooser = RecordingChooser(*arg, **argd).activate()
target = Axon.Component.component().activate()
chooser.link((chooser, "outbox"), (target, "inbox"))
chooser.link((chooser, "signal"), (target, "control"))
execute = Axon.Scheduler.scheduler.run.main()
return chooser, target, execute
