TRUE if the handler has expired. Return FALSE if
the handler has not expired.
virtual GPL_Boolean HandleMessage(DNA_Message & message, GPL_Boolean & consumedMessage)
Handle the message message. Set consumedMessage to TRUE
if no other handlers should be allowed the opportunity to handle the
message. Set consumedMessage to FALSE if other handlers
should be allowed the opportunity to handle the message. Return
TRUE if the handler handled the message. Return FALSE if
the handler did not handle the message.
virtual void Expire(void)
Mark the handler as expired. Expired handlers are removed from the client's
handler list at the client's next available opportunity.