OPC Studio User's Guide and Reference
UAReadArguments Constructor(UANodeArguments,UAAttributeId)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.OperationModel Namespace > UAReadArguments Class > UAReadArguments Constructor : UAReadArguments Constructor(UANodeArguments,UAAttributeId)
An object that specifies the node in the OPC server.

The value of this parameter cannot be null (Nothing in Visual Basic).

Attribute Id. Identifies an attribute of a node.
Initializes a new instance of the class, specifying the node arguments, and attribute Id.
Syntax
'Declaration
 
Public Function New( _
   ByVal nodeArguments As UANodeArguments, _
   ByVal attributeId As UAAttributeId _
)
'Usage
 
Dim nodeArguments As UANodeArguments
Dim attributeId As UAAttributeId
 
Dim instance As New UAReadArguments(nodeArguments, attributeId)

Parameters

nodeArguments
An object that specifies the node in the OPC server.

The value of this parameter cannot be null (Nothing in Visual Basic).

attributeId
Attribute Id. Identifies an attribute of a node.
Exceptions
ExceptionDescription

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

An invalid enumeration value was used.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

See Also