BACnetRegisterClientDataValueCallback (FUN)

FUNCTION BACnetRegisterClientDataValueCallback : IEC_BACNET_STATUS

Registers the user application callback for received value changes.

This function gives a user application the ability to get notified on received value changes which have been registered by using the ::BACnetRegisterClientDataPoint function.

Return: IEC_BACNET_STATUS

InOut:

Scope	Name	Type	Comment
Return	BACnetRegisterClientDataValueCallback	IEC_BACNET_STATUS
Input	hCustomer	IEC_BACNET_HANDLE	An handle to an created advanced BACnet client customer created by ::BACnetOpenClientCustomer.
	pICallback	CmpEventMgr.ICmpEventCallback	Pointer to the event-callback interface. Event-callback argument type is EVT_BACNET_CLIENT_VALUE. Purpose documented in BACstack: A pointer to the user application function which gets called on recived value changes. To unregister from notifications a NULL pointer shall be used here.