OverlayChangeListener

All Superinterfaces:

java.util.EventListener

All Known Implementing Classes:

ChartPanel, OfflineRenderingChartPanel, PolarChartPanel
```
public interface OverlayChangeListener
extends java.util.EventListener
```
A listener for changes to an Overlay.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`overlayChanged(OverlayChangeEvent event)`	This method is called to notify a listener of a change event.

- Method Detail
  - overlayChanged
```
void overlayChanged(OverlayChangeEvent event)
```
    This method is called to notify a listener of a change event.
    
    Parameters:
    
    event - the event.