1. /*

  2.  * @(#)PropertyChangeListener.java	1.14 00/02/02

  3.  *

  4.  * Copyright 1996-2000 Sun Microsystems, Inc. All Rights Reserved.

  5.  * 

  6.  * This software is the proprietary information of Sun Microsystems, Inc.  

  7.  * Use is subject to license terms.

  8.  * 

  9.  */

  10. 

  11. package java.beans;

  12. 

  13. /**

  14.  * A "PropertyChange" event gets fired whenever a bean changes a "bound"

  15.  * property.  You can register a PropertyChangeListener with a source

  16.  * bean so as to be notified of any bound property updates.

  17.  */

  18. 

  19. public interface PropertyChangeListener extends java.util.EventListener {

  20. 

  21.     /**

  22.      * This method gets called when a bound property is changed.

  23.      * @param evt A PropertyChangeEvent object describing the event source 

  24.      *   	and the property that has changed.

  25.      */

  26. 

  27.     void propertyChange(PropertyChangeEvent evt);

  28. 

  29. }