Scrollbar.java 文件源码

/**
 * Adds a new adjustment listener to the list of registered listeners
 * for this object.
 *
 * @param listener The listener to add.
 */
public synchronized void addAdjustmentListener(AdjustmentListener listener)
{
  adjustment_listeners = AWTEventMulticaster.add(adjustment_listeners,
                                                 listener);
  enableEvents(AWTEvent.ADJUSTMENT_EVENT_MASK);
}