EVT_BACNET_OBJECT_ID_CHANGE (STRUCT)¶
TYPE EVT_BACNET_OBJECT_ID_CHANGE : 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
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.