IHandler
This interface may be implemented by clients.
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/** * @return */ private IHandlerListener getHandlerListener() { if (handlerListener == null) { handlerListener = new IHandlerListener() { public void handlerChanged(HandlerEvent handlerEvent) { fireHandlerChanged(new HandlerEvent(HandlerProxy.this, handlerEvent.isEnabledChanged(), handlerEvent .isHandledChanged())); }