/** Dispose the receiver and clear out the references. */
public void dispose() {
final IHandlerService handlerService =
(IHandlerService) PlatformUI.getWorkbench().getService(IHandlerService.class);
final Iterator iterator = activations.iterator();
while (iterator.hasNext()) {
handlerService.deactivateHandler((IHandlerActivation) iterator.next());
}
activations.clear();
}
