Variant Structure

A structure that could contain value with any of the UA built-in data types.

Object Model

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<DataContractAttribute("http://opcfoundation.org/UA/2008/02/Types.xsd")>
Public Structure Variant 
   Inherits System.ValueType

'Usage
 
Dim instance As Variant

[DataContract("http://opcfoundation.org/UA/2008/02/Types.xsd")]
public struct Variant : System.ValueType

[DataContract("http://opcfoundation.org/UA/2008/02/Types.xsd")]
public value class Variant : public System.ValueType

Remarks

The Variant is described in Part 6 - Mappings, Section 6.2.2.15, titled Variant

Variant is a data type in COM, but not within the .NET Framework. Therefore OPC UA has its own Variant type that supports all of the OPC UA data-types.

Inheritance Hierarchy

System.Object
System.ValueType
Opc.Ua.Variant

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

Variant Members
Opc.Ua Namespace