*/
protected final void fireVetoableChange(String propertyName,
Object oldValue,
Object newValue)
throws PropertyVetoException {
VetoableChangeSupport aVetoSupport = this.vetoSupport;
if (aVetoSupport == null) {
return;
}
aVetoSupport.fireVetoableChange(propertyName, oldValue, newValue);
}