# GH_MenuTextBox.TextChangedEventHandler delegate

Namespace: [Grasshopper.GUI](https://developer.rhino3d.com/api/gh1/namespace/grasshopper.gui.md) · Assembly: [Grasshopper](https://developer.rhino3d.com/api/gh1/assembly/grasshopper.md)

```cs
public delegate GH_MenuTextBox.TextChangedEventHandler
```

**Signature:**

```cs
void GH_MenuTextBox.TextChangedEventHandler(GH_MenuTextBox sender, string newText)
```

**Parameters:**

- `sender` ([GH_MenuTextBox](https://developer.rhino3d.com/api/gh1/type/grasshopper.gui.gh-menutextbox.md))
- `newText` ([string](https://learn.microsoft.com/dotnet/api/system.string))