# OpcNodeEventArgs Class

> Reference: Provides generic event data for OpcNode related events.

<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">OpcNodeEventArgs Members</a></dd>
</dl>

Provides generic event data for [OpcNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnode/) related events.

## Syntax

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

```csharp
public class OpcNodeEventArgs : EventArgs
```

</div>

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

```vbnet
Public Class OpcNodeEventArgs
    Inherits EventArgs
```

</div>

## Inheritance

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

## Derived types

- [OpcNodeAddedEventArgs](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeaddedeventargs/)
- [OpcNodeChangesEventArgs](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodechangeseventargs/)
- [OpcNodeEventReportedEventArgs](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeeventreportedeventargs/)

## Constructors

| Name | Description |
|---|---|
| [OpcNodeEventArgs](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeeventargs/members#opcnodeeventargs) | Initializes a new instance of the OpcNodeEventArgs class. |

Inherits members from [EventArgs](https://learn.microsoft.com/dotnet/api/system.eventargs).

## Applies to

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