ReadResult QML Type

Contains result data after reading from the server. 更多...

import 语句：	import QtOpcUa
Since:	QtOpcUa 5.13

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特性

属性 : Constants.NodeAttribute
indexRange : string
namespaceName : string
nodeId : string
serverTimestamp : datetime
sourceTimestamp : datetime
status : Status
value : variant

详细描述

This type is used to pass the read data after reading from the server using the function Connection::readNodeAttributes .

特性文档编制

属性 : 常量 . NodeAttribute [read-only]

The node attribute of data that was read.

indexRange : string [read-only]

The index range of the data that was read.

namespaceName : string [read-only]

The namespace name of the node that was read.

nodeId : string [read-only]

The node id of the node that was read.

serverTimestamp : datetime [read-only]

The server timestamp of the data that was read.

sourceTimestamp : datetime [read-only]

The source timestamp of the data that was read.

status : Status [read-only]

Result status of this ReadResult . Before using any value of this ReadResult , the status should be checked for Status.isGood . To make sure the server has provided valid data.

value : variant [read-only]

Actual data that was requested to be read.