Container.java 文件源码

/**
 * Adds the specified container listener to this object's list of
 * container listeners.
 *
 * @param listener The listener to add.
 */
public synchronized void addContainerListener(ContainerListener listener)
{
  if (listener != null)
    {
      containerListener = AWTEventMulticaster.add(containerListener,
                                                  listener);
      newEventsOnly = true;
    }
}