# TabControlEventHandler

Namespace: **Wisej.Web**

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

Represents the method that will handle the [Selected](/api/wisej.web/containers/tabcontrol.md#selected) or [Deselected](/api/wisej.web/containers/tabcontrol.md#deselected) event of a [TabControl](/api/wisej.web/containers/tabcontrol.md) control.

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

```csharp
public delegate void TabControlEventHandler(Object sender, TabControlEventArgs e)
```

{% endtab %}

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

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

{% endtab %}
{% endtabs %}

## Parameters

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

## Fired By

| Name                                                                                            | Description                                                                                                                                                                                                                                                         |
| ----------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [TabControl.TabClosed](/api/wisej.web/containers/tabcontrol.md#tabclosed)                       | Occurs after a tab is closed by the user and has been removed from the tab control.                                                                                                                                                                                 |
| [TabControl.TabVisibilityChanged](/api/wisej.web/containers/tabcontrol.md#tabvisibilitychanged) | Occurs after a tab is shown or hidden by the user through the [ShowVisibilityMenu](/api/wisej.web/containers/tabcontrol.md#showvisibilitymenu) or programmatically through the [Hidden](/api/wisej.web/containers/tabcontrol/wisej.web.tabpage.md#hidden) property. |
| [TabControl.Selected](/api/wisej.web/containers/tabcontrol.md#selected)                         | Fired when a tab is selected.                                                                                                                                                                                                                                       |
| [TabControl.Deselected](/api/wisej.web/containers/tabcontrol.md#deselected)                     | Fired when a tab is deselected.                                                                                                                                                                                                                                     |
| [TabControl.TabMoved](/api/wisej.web/containers/tabcontrol.md#tabmoved)                         | Fired when the user drags a [TabPage](/api/wisej.web/containers/tabcontrol/wisej.web.tabpage.md) into a new position and the [AllowUserToMoveTabs](/api/wisej.web/containers/tabcontrol.md#allowusertomovetabs) property is set to true.                            |


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