Window.java 文件源码

/**
 * Adds the specified listener to this window.
 *
 * @since 1.4
 */
public void addWindowStateListener (WindowStateListener wsl)
{
  if (wsl != null)
    {
      newEventsOnly = true;
      windowStateListener = AWTEventMulticaster.add (windowStateListener,
                                                     wsl);  
    }
}