# ItemCheckEventHandler

Namespace: **Wisej.Web**

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

Represents the method that will handle the ItemCheck event of a [CheckedListBox](https://docs.wisej.com/api/wisej.web/lists-and-grids/checkedlistbox) or [ListView](https://docs.wisej.com/api/wisej.web/lists-and-grids/listview) control.

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

```csharp
public delegate void ItemCheckEventHandler(Object sender, ItemCheckEventArgs e)
```

{% endtab %}

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

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

{% endtab %}
{% endtabs %}

## Parameters

| Name       | Type                                                                                                                   | Description                                                                                                                                             |
| ---------- | ---------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **sender** | [Object](https://docs.microsoft.com/dotnet/api/system.object)                                                          | The source of the event.                                                                                                                                |
| **e**      | [ItemCheckEventArgs](https://docs.wisej.com/api/wisej.web/lists-and-grids/checkedlistbox/wisej.web.itemcheckeventargs) | An [ItemCheckEventArgs](https://docs.wisej.com/api/wisej.web/lists-and-grids/checkedlistbox/wisej.web.itemcheckeventargs) that contains the event data. |

## Fired By

| Name                                                                                                                   | Description                                       |
| ---------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------- |
| [CheckedListBox.ItemCheck](https://docs.wisej.com/api/wisej.web/lists-and-grids/checkedlistbox/..#itemcheck)           | Fired when the checked state of an item changes.  |
| [CheckedListBox.AfterItemCheck](https://docs.wisej.com/api/wisej.web/lists-and-grids/checkedlistbox/..#afteritemcheck) | Fired after the checked state of an item changes. |
| [ListView.ItemCheck](https://docs.wisej.com/api/wisej.web/listview#itemcheck)                                          | Fired when the check state of an item changes.    |