QuickOPC User's Guide and Reference
UANodeArguments Constructor(OperationArguments,UAEndpointDescriptor,UANodeDescriptor)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.OperationModel Namespace > UANodeArguments Class > UANodeArguments Constructor : UANodeArguments Constructor(OperationArguments,UAEndpointDescriptor,UANodeDescriptor)
Operation arguments object to be copied from.
Endpoint descriptor. Identifies the OPC-UA server.
Node descriptor. Identifies the node in OPC server's address space.
Syntax
'Declaration
 
Public Function New( _
   ByVal operationArguments As OperationArguments, _
   ByVal endpointDescriptor As UAEndpointDescriptor, _
   ByVal nodeDescriptor As UANodeDescriptor _
)
'Usage
 
Dim operationArguments As OperationArguments
Dim endpointDescriptor As UAEndpointDescriptor
Dim nodeDescriptor As UANodeDescriptor
 
Dim instance As New UANodeArguments(operationArguments, endpointDescriptor, nodeDescriptor)

Parameters

operationArguments
Operation arguments object to be copied from.
endpointDescriptor
Endpoint descriptor. Identifies the OPC-UA server.
nodeDescriptor
Node descriptor. Identifies the node in OPC server's address space.
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.

Remarks

You can obtain nodeDescriptor e.g. by calling one of the browsing methods on OpcLabs.EasyOpc.UA.EasyUAClientCore object.

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