FrontPanelListener

```
public interface FrontPanelListener
```
A listener can modify the front panel window (by adding widgets, or other information).
This interface can be fully implemented by a dedicated class in a front panel project.

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`onStart()` Notifies that the front panel is starting.
`void`	`onStop()` Notifies that the front panel is stopping.

Interface FrontPanelListener