OPC Studio User's Guide and Reference
CheckAttributeData Method (UADataVariableWriteEventArgs)



OpcLabs.ServerOpcUA Assembly > OpcLabs.EasyOpc.UA.OperationModel Namespace > UADataVariableWriteEventArgs Class : CheckAttributeData Method
Attribute data to be checked.

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

Infrastructure.
Syntax
'Declaration
 
Protected Overridable Sub CheckAttributeData( _
   ByVal attributeData As UAAttributeData _
) 
'Usage
 
Dim instance As UADataVariableWriteEventArgs
Dim attributeData As UAAttributeData
 
instance.CheckAttributeData(attributeData)
protected virtual void CheckAttributeData( 
   UAAttributeData attributeData
)
protected:
virtual void CheckAttributeData( 
   UAAttributeData^ attributeData
) 

Parameters

attributeData
Attribute data to be checked.

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