# IOpcOrderedObjectNode Interface

> Reference: Defines an OpcObjectNode to be managed in an ordered way.

<span class="api-meta">since v2.26</span>

<dl class="api-definition">
<dt>Namespace</dt>
<dd><a href="../namespaces/opc.uafx">Opc.UaFx</a></dd>
<dt>Assembly</dt>
<dd>Opc.UaFx.Advanced.dll</dd>
<dt>Package</dt>
<dd>Opc.UaFx.Advanced v2.59.0</dd>
<dt>Members</dt>
<dd><a href="./members">IOpcOrderedObjectNode Members</a></dd>
</dl>

Defines an [OpcObjectNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcobjectnode/) to be managed in an ordered way.

## Syntax

<div class="api-signature" data-lang="csharp">

```csharp
public interface IOpcOrderedObjectNode
```

</div>

<div class="api-signature" data-lang="vbnet">

```vbnet
<OpcNodeType(23513)>
Public Interface IOpcOrderedObjectNode
```

</div>

## Base interfaces

<ul class="api-implements">
<li><a href="../opc.uafx.iopcnode/">IOpcNode</a></li>
<li><a href="../opc.uafx.iopcnodeinfo/">IOpcNodeInfo</a></li>
</ul>

## Derived types

- [OpcOrderedObjectNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcorderedobjectnode/)

## Properties

| Name | Description |
|---|---|
| [NumberInListNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcorderedobjectnode/members#numberinlistnode) | Gets a [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) its value provides the position of the [OpcObjectNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcobjectnode/) in a list, managed by an instance of the [OpcOrderedObjectListNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcorderedobjectlistnode/). |

Inherits members from [IOpcNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnode/members), [IOpcNodeInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnodeinfo/members).

## Applies to

| Package | Versions |
|---|---|
| Opc.UaFx.Advanced | v2.26–v2.59 |