QuickOPC User's Guide and Reference
ObjectDescriptor Constructor(String)



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OpcLabs.BaseLib Assembly > OpcLabs.BaseLib Namespace > ObjectDescriptor Class > ObjectDescriptor Constructor : ObjectDescriptor Constructor(String)
Contains the descriptor string for the object.
Initializes a new instance of the ObjectDescriptor class.Initializes a new instance of the class, with specified server class (ProgID) or a URL string.
Syntax
'Declaration
 
Public Function New( _
   ByVal descriptorString As String _
)
 
'Usage
 
Dim descriptorString As String
 
Dim instance As New ObjectDescriptor(descriptorString)

Parameters

descriptorString
Contains the descriptor string for the object.
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.

Remarks

The descriptorString may contain one of the following:

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