OPC Studio User's Guide and Reference
DescriptorString Property (UAEndpointDescriptor)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA Namespace > UAEndpointDescriptor Class : DescriptorString Property
A string that represents the resource descriptor or its relevant parts.
Syntax
'Declaration
 
Public Overrides NotOverridable Property DescriptorString As String
'Usage
 
Dim instance As UAEndpointDescriptor
Dim value As String
 
instance.DescriptorString = value
 
value = instance.DescriptorString
public override string DescriptorString {get; set;}
public:
property String^ DescriptorString {
   String^ get() override;
   void set (    String^ value) override;
}

Property Value

The value represents an OPC UA endpoint descriptor string. The property value can be any string, but not all values make sense and will work when an operation using them is attempted. The OPC UA endpoint descriptor string is typically the URL of the server endpoint.

This value of this property can be null (Nothing in Visual Basic).

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

The default value of this property is "opc.tcp:".

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