public interface VetoableChangeListener extends EventListener
Modifier and Type | Method and Description |
---|---|
void |
vetoableChange(PropertyChangeEvent evt)
当更改约束属性时调用此方法。
|
void vetoableChange(PropertyChangeEvent evt) throws PropertyVetoException
evt
- 一个
PropertyChangeEvent
事件源和已更改属性的对象PropertyChangeEvent。
PropertyVetoException
- if the recipient wishes the property change to be rolled back.