Connectivity Software User's Guide and Reference
ValidateVtq Method (EasyDAItemChangedEventArgs)



OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.DataAccess.OperationModel Namespace > EasyDAItemChangedEventArgs Class : ValidateVtq Method
Vtq to be validated.

The value of this parameter can be null (Nothing in Visual Basic).

Infrastructure.
Syntax
'Declaration
 
Protected Overridable Sub ValidateVtq( _
   ByVal vtq As DAVtq _
) 
'Usage
 
Dim instance As EasyDAItemChangedEventArgs
Dim vtq As DAVtq
 
instance.ValidateVtq(vtq)
protected virtual void ValidateVtq( 
   DAVtq vtq
)
protected:
virtual void ValidateVtq( 
   DAVtq^ vtq
) 

Parameters

vtq
Vtq to be validated.

The value of this parameter can be null (Nothing in Visual Basic).

Exceptions
ExceptionDescription

One of the arguments provided to a method is not valid.

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