Onmsgmonitorpointupdateevent, E onmsgmonitorpointupdateevent – Echelon OpenLNS User Manual

Page 744

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OpenLNS Programmer's Reference

707

received a request message.
20

lcaMonitorEventTypeMsgResponse
A message monitor point has

received a reponse message.
21

lcaMonitorEventTypeMsgComplete
This value is not used.

Added to API

LNS Release 3.0.

OnMsgMonitorPointUpdateEvent

Summary

An event that is generated whenever a message tag monitor

point update is received

.

The

OnMsgMonitorPointEvent

event is used to signify

asynchronous successful completion code events for a

message monitor point. The

OnMsgMonitorPointErrorEvent

is used to signify asynchronous unsuccessful completion code

events.
If you are using a programming environment which supports

multi-threading (such as Visual C++), you can receive update

events on a separate thread by creating an object which

implements the

ILcaMsgMonitorPointListener

interface.

Syntax

OnMsgMonitorPointUpdateEvent

(msgMonitorPoint As

Object, UpdateType as Integer, InputDp as Object, OutputDp

as Object, Src as Object)

Element

Description

msgMonitorPoint

The MsgMonitorPoint object that

received an update.

UpdateType

The update type.

InputDp

A DataPoint object containing the

received value.
The AutoRead and AutoWrite

properties of this element are set to

FALSE.

OutputDp

A DataPoint object which allows a

response to be sent if the

UpdateType is Request.

The

AutoWrite

of this element is set

to TRUE; therefore, this

DataPoint

object will be sent as a response

when it is updated.

Src

A SourceAddress object indicating

the source device of the update.

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