# Taskbar.IHandler interface

Namespace: [Eto.Forms](https://eto.picoe.ca/api/namespace/eto.forms.md) · Assembly: [Eto](https://eto.picoe.ca/api/assembly/eto.md)

```cs
public interface Taskbar.IHandler
```

Handler interface for the [Taskbar](https://eto.picoe.ca/api/type/eto.forms.taskbar.md).

## Methods

- [SetProgress](https://eto.picoe.ca/api/type/eto.forms.taskbar.ihandler/setprogress.md): Sets the state and progress of the application.