BACnetRetrievePropertyInstanceByHandle (FUN)¶

FUNCTION BACnetRetrievePropertyInstanceByHandle : IEC_BACNET_STATUS

Same function as ::BACnetRetrievePropertyInstance but uses handle to object instead of an device instance number and object idenfier.

Return: IEC_BACNET_STATUS

InOut:

Scope	Name	Type	Comment
Return	BACnetRetrievePropertyInstanceByHandle	IEC_BACNET_STATUS
Input	handleToObject	IEC_BACNET_HANDLE	A valid handle to the object retrieved by a call to ::BACnetGetObjectHandle.
	ePropertyID	IEC_BACNET_PROPERTY_ID	The Property identifier of the local property.
	nIndex	IEC_BACNET_ARRAY_INDEX	The optional index information of an array item from a property if this property contains an array. BACnet array indexes start counting at 1.
	pVal	POINTER TO IEC_BACNET_PROPERTY_CONTENTS	Pointer to a property pontents containing a buffer which contains the value.