TRUE on
success and FALSE on failure.
virtual GPL_Boolean Receive(DNA_Bus *bus, const long timeout)
Receive a message over the message bus bus. Timeout after waiting
for timeout milliseconds. Return TRUE on success and
FALSE on end-of-file or a delivery error. bus->GetError()
may be used to determine the cause for error.
virtual GPL_Boolean Receive(DNA_Bus *bus)
Equivalent to Receive(bus, 0).