OPC Studio User's Guide and Reference
UADataVariableWriteEventArgs Constructor



OpcLabs.ServerOpcUA Assembly > OpcLabs.EasyOpc.UA.OperationModel Namespace > UADataVariableWriteEventArgs Class : UADataVariableWriteEventArgs Constructor

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

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

Initializes a new instance of the class, with given data variable, and attribute data (value, status code and timestamps).
Syntax
'Declaration
 
Public Function New( _
   ByVal dataVariable As UADataVariable, _
   ByVal attributeData As UAAttributeData _
)
'Usage
 
Dim dataVariable As UADataVariable
Dim attributeData As UAAttributeData
 
Dim instance As New UADataVariableWriteEventArgs(dataVariable, attributeData)
public UADataVariableWriteEventArgs( 
   UADataVariable dataVariable,
   UAAttributeData attributeData
)
public:
UADataVariableWriteEventArgs( 
   UADataVariable^ dataVariable,
   UAAttributeData^ attributeData
)

Parameters

dataVariable

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

attributeData

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

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