EVT_BACNET_OBJECTIDCHANGECALLBACK (STRUCT)¶

TYPE EVT_BACNET_OBJECTIDCHANGECALLBACK : STRUCT

Declaration for the “object id has been resolved or changed” callback.

This callback will be called if a pending object name could be resolved into an valid object identifier using the Who-Has / I-Have dynamic object binding procedure. It is also called whenever such an object identifier changes.

InOut:

Name	Type	Comment
devInst	IEC_BACNET_INST_NUMBER	The device instance number for which object id’s have been resolved or changed.
pObjectName	POINTER TO IEC_BACNET_STRING	A pointer to an BACnet string structure which contains the object name.
pOldObjId	POINTER TO IEC_BACNET_OBJECT_ID	A pointer to the previously known object identifier for that object name. This might be NULL if no previous identifier is known by the API.
pNewObjId	POINTER TO IEC_BACNET_OBJECT_ID	A pointer to the actual known object identifier for that object name. This might be NULL if no identifier has been found yet.