BACnetUnregisterClientEventNotification (FUN)

FUNCTION BACnetUnregisterClientEventNotification : IEC_BACNET_STATUS

Releases an device notification class reference from event acquisation.

The user application can remove device notification class references from event acquisation which it doesn’t need anymore. If the user application has registered an callback for unsubscribe completion, it will get notified about the successful or unsuccessful unsubscription asynchronously.

Returns

BACNET_STATUS_BUSY: if unsubscription is pending. The registered unsubscribe-complete

callback will be called on completion

BACNET_STATUS_OK: unsubscription completed. The registered unsubscribe-complete

callback WILL NOT BE CALLED

OTHER: some other failure in given parameters has been detected

InOut:

Scope	Name	Type	Comment
Return	BACnetUnregisterClientEventNotification	IEC_BACNET_STATUS
Input	hCustomer	IEC_BACNET_HANDLE	An handle to an created advanced BACnet client customer created by BACnetOpenClientCustomer.
	devId	IEC_BACNET_INST_NUMBER	The device instance number from the remote or local device from which the events or alarms shall NOT be acquired anymore.
	notifClass	IEC_BACNET_INST_NUMBER	The notification class object instance number from the remote or local device from which the events or alarms shall NOT be acquired anymore.