Subscribe¶
-
virtual PSubscription IEvent::Subscribe(EventOccurredHandler handler) = 0¶
Subscribes a callback to be executed when this event occurs.
- Parameters
handler – Function to be called when the event occurs.
- Returns
PSubscription – An ISubscription for the callback.
- Throws
CInvalidArgumentException
– Empty callback handler specified.COutOfResourcesException
– No resources available to subscribe callback.CCommunicationErrorException
– Protocol error.CConnectionLostException
– Connection to controller lost.CRebootedException
– Controller has been rebooted since this object reference was retrieved, invalidating this reference.