# OpcApplication 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">OpcApplication Members</a></dd>
<dt>Also in</dt>
<dd>Opc.UaFx.Client</dd>
</dl>

## Syntax

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

```csharp
public abstract class OpcApplication
```

</div>

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

```vbnet
Public MustInherit Class OpcApplication
```

</div>

## Inheritance

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

## 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>

## Derived types

- [OpcClientApplication&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclientapplication-1/)
- [OpcServerApplication&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcserverapplication-1/)

## Constructors

| Name | Description |
|---|---|
| [OpcApplication](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#opcapplication)<span class="api-meta">protected</span> |  |

## Properties

| Name | Description |
|---|---|
| [Company](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#company)<span class="api-meta">static</span> |  |
| [Configuration](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#configuration)<span class="api-meta">virtual</span> |  |
| [Current](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#current)<span class="api-meta">static</span> |  |
| [Name](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#name)<span class="api-meta">static</span> |  |
| [ProductCompany](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#productcompany)<span class="api-meta">virtual</span> |  |
| [ProductName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#productname)<span class="api-meta">virtual</span> |  |
| [ProductVersion](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#productversion)<span class="api-meta">virtual</span> |  |
| [Version](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#version)<span class="api-meta">static</span> |  |

## Methods

| Name | Description |
|---|---|
| [AfterRun](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#afterrun)<span class="api-meta">protected · virtual</span> |  |
| [BeforeRun](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#beforerun)<span class="api-meta">protected · virtual</span> |  |
| [Dispose](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#dispose)<span class="api-meta">2 overloads</span> | Releases all resources used by the OpcApplication. |
| [Exit](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#exit) |  |
| [ExitCore](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#exitcore)<span class="api-meta">protected · virtual</span> |  |
| [LoadConfiguration](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#loadconfiguration)<span class="api-meta">2 overloads</span> |  |
| [LoadConfigurationCore](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#loadconfigurationcore)<span class="api-meta">protected · abstract</span> |  |
| [OnExited](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#onexited)<span class="api-meta">protected · virtual</span> |  |
| [OnExiting](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#onexiting)<span class="api-meta">protected · virtual</span> |  |
| [OnStarted](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#onstarted)<span class="api-meta">protected · virtual</span> |  |
| [OnStarting](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#onstarting)<span class="api-meta">protected · virtual</span> |  |
| [Run](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#run) |  |
| [RunCore](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#runcore)<span class="api-meta">protected · abstract</span> |  |

## Events

| Name | Description |
|---|---|
| [Exited](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#exited) |  |
| [Exiting](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#exiting) |  |
| [Started](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#started) |  |
| [Starting](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#starting) |  |

## Applies to

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