# OpcTypeNode Class

<span class="api-meta">abstract</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">OpcTypeNode Members</a></dd>
</dl>

Defines the abstract base class of all type nodes.

## Syntax

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

```csharp
public abstract class OpcTypeNode : OpcNode
```

</div>

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

```vbnet
Public MustInherit Class OpcTypeNode
    Inherits OpcNode
```

</div>

## Inheritance

[Object](https://learn.microsoft.com/dotnet/api/system.object) → [OpcNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnode/) → **OpcTypeNode**

## Implements

<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

- [OpcDataTypeNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcdatatypenode/)
- [OpcNodeTypeNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodetypenode/)

## Properties

| Name | Description |
|---|---|
| [IsAbstract](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctypenode/members#isabstract) | Gets or sets a value indicating whether the OpcTypeNode is abstract and must be overridden. |
| [SuperTypeId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctypenode/members#supertypeid) | Gets or sets the identifier of the OpcTypeNode which represents the super type of the type represented by this OpcTypeNode. |

Inherits members from [OpcNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnode/members).

## Applies to

| Package | Versions |
|---|---|
| Opc.UaFx.Advanced | v2.5–v2.59 |