OPC Studio User's Guide and Reference
DAQuality Constructor(DAQuality)



OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.DataAccess Namespace > DAQuality Class > DAQuality Constructor : DAQuality Constructor(DAQuality)
Quality state to be copied from.
Initializes a new instance of the DAQuality class.Initializes a new instance of the class, from other DAQuality.
Syntax
'Declaration
 
Public Function New( _
   ByVal quality As DAQuality _
)
'Usage
 
Dim quality As DAQuality
 
Dim instance As New DAQuality(quality)
public DAQuality( 
   DAQuality quality
)
public:
DAQuality( 
   DAQuality^ quality
)

Parameters

quality
Quality state to be copied from.
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