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# Interface java.beans.VetoableChangeListener

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.

##

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

##

vetoableChange

     public abstract 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.

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