OPC Studio User's Guide and Reference
UADiscoveryElement Constructor(String)



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OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.Discovery Namespace > UADiscoveryElement Class > UADiscoveryElement Constructor : UADiscoveryElement Constructor(String)
The URL that can be used to reach the server, using discovery.

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

Initializes a new instance of the class, specifying the discovery URL string.
Syntax
'Declaration
 
Public Function New( _
   ByVal discoveryUriString As String _
)
 
'Usage
 
Dim discoveryUriString As String
 
Dim instance As New UADiscoveryElement(discoveryUriString)

Parameters

discoveryUriString
The URL that can be used to reach the server, using discovery.

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