OpaqueIdentifier Property (UANodeId)

Opaque identifier value (in namespace specific format).

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<TypeConverterAttribute(OpcLabs.EasyOpc.UA.AddressSpace.Implementation.UAOpaqueIdentifierConverter)>
<XmlIgnoreAttribute()>
Public Property OpaqueIdentifier As Byte()

'Usage
 
Dim instance As UANodeId
Dim value() As Byte
 
instance.OpaqueIdentifier = value
 
value = instance.OpaqueIdentifier

[TypeConverter(OpcLabs.EasyOpc.UA.AddressSpace.Implementation.UAOpaqueIdentifierConverter)]
[XmlIgnore()]
public byte[] OpaqueIdentifier {get; set;}

[TypeConverter(OpcLabs.EasyOpc.UA.AddressSpace.Implementation.UAOpaqueIdentifierConverter)]
[XmlIgnore()]
public:
property array<byte>^ OpaqueIdentifier {
   array<byte>^ get();
   void set (    array<byte>^ value);
}

Property Value

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

Exceptions

Exception Description

Exception	Description
System.ArgumentNullException	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.

System.ArgumentNullException

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

Values are restricted to 4096 bytes.

The getter method of this property is pure, i.e. it does not have observable side effects.

OPC UA node Id, represented by the UANodeId class, directly identifies a node in a server's address space.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

UANodeId Class
UANodeId Members
OPC UA Node IDs
Namespace indices in OPC UA Node Ids

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