OPC Studio User's Guide and Reference
UACallArguments Constructor(UANodeArguments,UANodeDescriptor,Object[])



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.OperationModel Namespace > UACallArguments Class > UACallArguments Constructor : UACallArguments Constructor(UANodeArguments,UANodeDescriptor,Object[])
An object that specifies the node in the OPC server.
Method Node Id. Identifies the method node in OPC server's address space.
Array of input arguments to the method call. The number of arguments and their types must conform to the method's requirements.
Syntax
'Declaration
 
Public Function New( _
   ByVal nodeArguments As UANodeArguments, _
   ByVal methodNodeDescriptor As UANodeDescriptor, _
   ByVal inputArguments() As Object _
)
'Usage
 
Dim nodeArguments As UANodeArguments
Dim methodNodeDescriptor As UANodeDescriptor
Dim inputArguments() As Object
 
Dim instance As New UACallArguments(nodeArguments, methodNodeDescriptor, inputArguments)

Parameters

nodeArguments
An object that specifies the node in the OPC server.
methodNodeDescriptor
Method Node Id. Identifies the method node in OPC server's address space.
inputArguments
Array of input arguments to the method call. The number of arguments and their types must conform to the method's requirements.
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.

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