# OpcStatusCodeExtensions Class

> Reference: Provides extension methods to determine the severity of an OpcStatusCode.

<span class="api-meta">static</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">OpcStatusCodeExtensions Members</a></dd>
<dt>Also in</dt>
<dd>Opc.UaFx.Client</dd>
</dl>

Provides extension methods to determine the severity of an [OpcStatusCode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcstatuscode/).

## Syntax

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

```csharp
public static class OpcStatusCodeExtensions
```

</div>

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

```vbnet
Public Module OpcStatusCodeExtensions
```

</div>

## Inheritance

[Object](https://learn.microsoft.com/dotnet/api/system.object) → **OpcStatusCodeExtensions**

## Remarks

The severity is encoded in the two most significant bits of a status code: Good, Uncertain or Bad.

## Methods

| Name | Description |
|---|---|
| [IsBad](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcstatuscodeextensions/members#isbad)<span class="api-meta">static</span> | Determines whether the severity of the status code specified is Bad. |
| [IsGood](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcstatuscodeextensions/members#isgood)<span class="api-meta">static</span> | Determines whether the severity of the status code specified is Good. |
| [IsNotBad](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcstatuscodeextensions/members#isnotbad)<span class="api-meta">static</span> | Determines whether the severity of the status code specified is not Bad. |
| [IsNotGood](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcstatuscodeextensions/members#isnotgood)<span class="api-meta">static</span> | Determines whether the severity of the status code specified is not Good. |
| [IsNotUncertain](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcstatuscodeextensions/members#isnotuncertain)<span class="api-meta">static</span> | Determines whether the severity of the status code specified is not Uncertain. |
| [IsUncertain](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcstatuscodeextensions/members#isuncertain)<span class="api-meta">static</span> | Determines whether the severity of the status code specified is Uncertain. |

## Applies to

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