# CentralSettings.CanvasToolbarChangedEventHandler delegate

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

```cs
public delegate CentralSettings.CanvasToolbarChangedEventHandler
```

**Signature:**

```cs
void CentralSettings.CanvasToolbarChangedEventHandler()
```