IOPCUAClientSubscriptionCallback.ParameterChangeCallback (METH)¶

METHOD ParameterChangeCallback : OpcUa_StatusCode

The callback is called when the parameters of a subscription has changed. This happens typically after creation (OpcUaClient_CreateSubscription) or modification (OpcUaClient_ModifySubscription) of a subscription. The values in this call represent the reviced parameters from the server.

InOut:

Scope	Name	Type	Comment
Return	ParameterChangeCallback	OpcUa_StatusCode
Input	hSubscription	RTS_IEC_HANDLE	Handle to the subscription that has changed.
	publishingInterval	OpcUa_Double	The reviced publishing interval.
	lifeTimeCount	OpcUa_UInt32	The reviced lifetime count.
	maxKeepAliveCount	OpcUa_UInt32	The reviced maximum keepalive count.
	maxNotificationsPerPublish	OpcUa_UInt32	The reviced maximum number of notifications per publish.
	priority	OpcUa_Byte
	reason	OpcUa_StatusCode	The status of the service.