IOPCUAClientMonitoredItemCallback.ItemValueCallback (METH)¶

METHOD ItemValueCallback : OpcUa_StatusCode

This callback is called for sampling monitored items and contains the value changes of the monitored item.

InOut:

Scope	Name	Type	Comment
Return	ItemValueCallback	OpcUa_StatusCode
Input	hMonitoredItem	RTS_IEC_HANDLE	Handle to the moniotred item.
	value	OpcUa_DataValue	The new value of the monitored item.
	reason	OpcUa_StatusCode	The new status of the monitored item.