public void removeVetoableChangeListener(VetoableChangeListener listener){
  if (listener != null) {
synchronized (this) {
      if (vetoableSupport != null) {
        vetoableSupport.removeVetoableChangeListener(listener);
      }
    }
  }
}

public void removeVetoableChangeListener ( VetoableChangeListener listener ) { if ( listener != null ) { synchronized ( this ) { if ( vetoableSupport != null ) { vetoableSupport . removeVetoableChangeListener ( listener ) ; } } } }
removes a vetoablechangelistener from the listener list . this method should be used to remove the vetoablechangelisteners that were registered for all vetoable properties of this class . < p > if listener is null , no exception is thrown and no action is performed .
