Subscribe¶
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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.