# AccordionEventHandler

Namespace: **Wisej.Web**

Assembly: **Wisej.Framework** (4.0.0.0)

Represents the method that will handle the [Selected](https://docs.wisej.com/api/wisej.web/containers/accordion/..#selected) or [Deselected](https://docs.wisej.com/api/wisej.web/containers/accordion/..#deselected) event of a [Accordion](https://docs.wisej.com/api/wisej.web/containers/accordion) control.

{% tabs %}
{% tab title="C#" %}

```csharp
public delegate void AccordionEventHandler(Object sender, AccordionEventArgs e)
```

{% endtab %}

{% tab title="VB.NET" %}

```visual-basic
Public Delegate Sub AccordionEventHandler(ByVal sender As [Object], ByVal e As AccordionEventArgs)
```

{% endtab %}
{% endtabs %}

## Parameters

| Name       | Type                                                                                                         | Description                                                                                                                                  |
| ---------- | ------------------------------------------------------------------------------------------------------------ | -------------------------------------------------------------------------------------------------------------------------------------------- |
| **sender** | [Object](https://docs.microsoft.com/dotnet/api/system.object)                                                | The source of the event.                                                                                                                     |
| **e**      | [AccordionEventArgs](https://docs.wisej.com/api/wisej.web/containers/accordion/wisej.web.accordioneventargs) | A [AccordionEventArgs](https://docs.wisej.com/api/wisej.web/containers/accordion/wisej.web.accordioneventargs) that contains the event data. |

## Fired By

| Name                                                                                            | Description                       |
| ----------------------------------------------------------------------------------------------- | --------------------------------- |
| [Accordion.Selected](https://docs.wisej.com/api/wisej.web/containers/accordion/..#selected)     | Fired when a panel is selected.   |
| [Accordion.Deselected](https://docs.wisej.com/api/wisej.web/containers/accordion/..#deselected) | Fired when a panel is deselected. |