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java.beans
Interface VetoableChangeListener

All Superinterfaces:

EventListener

public interface VetoableChangeListener

extends EventListener

A VetoableChange event gets fired whenever a bean changes a "constrained" property. You can register a VetoableChangeListener with a source bean so as to be notified of any constrained property updates.

Method Summary

void	vetoableChange(PropertyChangeEvent evt) This method gets called when a constrained property is changed.

Method Detail

vetoableChange

public void vetoableChange(PropertyChangeEvent evt)
                    throws PropertyVetoException

This method gets called when a constrained property is changed.

Parameters:

evt - a PropertyChangeEvent object describing the event source and the property that has changed.

Throws:

PropertyVetoException - if the recipient wishes the property change to be rolled back.