# NodeLabelEditEventHandler

Namespace: **Wisej.Web**

Assembly: **Wisej.Framework** (3.2.0.0)

Represents the method that will handle the [BeforeLabelEdit](https://docs.wisej.com/api/v3.2/wisej.web/lists-and-grids/treeview/..#beforelabeledit) and [AfterLabelEdit](https://docs.wisej.com/api/v3.2/wisej.web/lists-and-grids/treeview/..#afterlabeledit) events of a [TreeView](https://docs.wisej.com/api/v3.2/wisej.web/lists-and-grids/treeview) control.

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

```csharp
public delegate void NodeLabelEditEventHandler(Object sender, NodeLabelEditEventArgs e)
```

{% endtab %}

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

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

{% endtab %}
{% endtabs %}

## Parameters

| Name       | Type                                                                                                                          | Description                                                                                                                                                   |
| ---------- | ----------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **sender** | [Object](https://docs.microsoft.com/dotnet/api/system.object)                                                                 | The source of the event.                                                                                                                                      |
| **e**      | [NodeLabelEditEventArgs](https://docs.wisej.com/api/v3.2/wisej.web/lists-and-grids/treeview/wisej.web.nodelabelediteventargs) | A [NodeLabelEditEventArgs](https://docs.wisej.com/api/v3.2/wisej.web/lists-and-grids/treeview/wisej.web.nodelabelediteventargs) that contains the event data. |

## Fired By

| Name                                                                                                                     | Description                                       |
| ------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------- |
| [TreeNode.AfterLabelEdit](https://docs.wisej.com/api/v3.2/wisej.web/lists-and-grids/wisej.web.treenode#afterlabeledit)   | Occurs after the tree node label text is edited.  |
| [TreeNode.BeforeLabelEdit](https://docs.wisej.com/api/v3.2/wisej.web/lists-and-grids/wisej.web.treenode#beforelabeledit) | Occurs before the tree node label text is edited. |
| [TreeView.AfterLabelEdit](https://docs.wisej.com/api/v3.2/wisej.web/lists-and-grids/treeview/..#afterlabeledit)          | Occurs after the tree node label text is edited.  |
| [TreeView.BeforeLabelEdit](https://docs.wisej.com/api/v3.2/wisej.web/lists-and-grids/treeview/..#beforelabeledit)        | Occurs before the tree node label text is edited. |


---

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