内容

• 特性
• 详细描述

ReadItem QML Type

Specifies an item to be read from the server. 更多...

import 语句：	import QtOpcUa
Since:	QtOpcUa 5.13

• 所有成员列表，包括继承成员

特性

• 属性 : Constants.NodeAttribute
• indexRange : string
• nodeId : string
• ns : variant

详细描述

This type is used to specify items to be read from the server using the function Connection::readNodeAttributes .

特性文档编制

属性 : 常量 . NodeAttribute

Determines the attribute of the node to be read.

indexRange : string

Determines the index range of the attribute to be read. If not needed, leave this property empty.

nodeId : string

Determines the node id of the node to be read.

ns : variant

Determines the namespace of the node to be read. The namespace can be given by name or index. If this property is given, any namespace in the node id will be ignored.