afreechart/src/main/java/org/afree/chart/renderer/AbstractRenderer.java
/**
     * Deregisters an object so that it no longer receives
     * notification of changes to the renderer.
     *
     * @param listener  the object (<code>null</code> not permitted).
     *
     * @see #addChangeListener(RendererChangeListener)
     */
Deregisters an object so that it no longer receives
notification of changes to the renderer.

@param listener  the object (null not permitted).


Deregisters an object so that it no longer receives notification of changes to the renderer . @param listener the object ( null not permitted ) .
public void removeChangeListener(RendererChangeListener listener) {
        if (listener == null) {
            throw new IllegalArgumentException("Null 'listener' argument.");
        }
        this.listenerList.remove(listener);
    }
public void removeChangeListener ( RendererChangeListener listener ) { if ( listener == null ) { throw new IllegalArgumentException ( "Null 'listener' argument." ) ; } this . listenerList . remove ( listener ) ; }
Deregisters an object so that it no longer receives
 notification of changes to the renderer.
Deregisters an object so that it no longer receives notification of changes to the renderer .