# OpcDiscoveryServerApplication Class

> Reference: Represents an application which hosts an OpcDiscoveryServer and starts it when the application is run.

<dl class="api-definition">
<dt>Namespace</dt>
<dd><a href="../namespaces/opc.uafx.server">Opc.UaFx.Server</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">OpcDiscoveryServerApplication Members</a></dd>
</dl>

Represents an application which hosts an [OpcDiscoveryServer](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcdiscoveryserver/) and starts it when the application is run.

## Syntax

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

```csharp
public class OpcDiscoveryServerApplication : OpcServerApplication<OpcDiscoveryServer>
```

</div>

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

```vbnet
<CLSCompliant(False)>
Public Class OpcDiscoveryServerApplication
    Inherits OpcServerApplication(Of OpcDiscoveryServer)
```

</div>

## Inheritance

[Object](https://learn.microsoft.com/dotnet/api/system.object) → [OpcApplication](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/) → [OpcServerApplication](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcserverapplication-1/)&lt;[OpcDiscoveryServer](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcdiscoveryserver/)&gt; → **OpcDiscoveryServerApplication**

## Implements

<ul class="api-implements">
<li><a href="https://learn.microsoft.com/dotnet/api/system.idisposable">IDisposable</a></li>
<li><a href="../opc.uafx.iopcapplication/">IOpcApplication</a></li>
</ul>

## Constructors

| Name | Description |
|---|---|
| [OpcDiscoveryServerApplication](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcdiscoveryserverapplication/members#opcdiscoveryserverapplication)<span class="api-meta">3 overloads</span> | Initializes a new instance of the OpcDiscoveryServerApplication class using the `server` specified. |

Inherits members from [OpcServerApplication&lt;OpcDiscoveryServer&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcserverapplication-1/members), [OpcApplication](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members).

## Applies to

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