# GH_NickNameTextBox.NickNameChangedEventHandler 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_NickNameTextBox.NickNameChangedEventHandler
```

**Signature:**

```cs
void GH_NickNameTextBox.NickNameChangedEventHandler(object sender, string new_name)
```

**Parameters:**

- `sender` ([object](https://learn.microsoft.com/dotnet/api/system.object))
- `new_name` ([string](https://learn.microsoft.com/dotnet/api/system.string))