IOPCUAClientMonitoredItemCallback.ItemValueCallback (METH)ΒΆ

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.