IOPCUAClientMonitoredItemCallback.ItemEventCallback (METH)¶

METHOD ItemEventCallback : OpcUa_StatusCode

This callback is used to send event notifications to the client. This will only be called for monitored items that register to an event notifier.

InOut:

Scope	Name	Type	Comment
Return	ItemEventCallback	OpcUa_StatusCode
Input	hMonitoredItem	RTS_IEC_HANDLE	Handle to the event monitored item.
	noOfEventFields	OpcUa_Int32	Number of fields available on the event fields paramter.
	eventFields	POINTER TO OpcUa_Variant	Pointer to a list of event fields. The fields have the same order as the registered event fields.
	reason	OpcUa_StatusCode	Status code of the operation.