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.

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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