public interface VetoableChangeListener extends EventListener
Modifier and Type | Method and Description |
---|---|
void |
vetoableChange(PropertyChangeEvent evt)
当改变约束属性时,这种方法会被调用。
|
void vetoableChange(PropertyChangeEvent evt) throws PropertyVetoException
evt
-
PropertyChangeEvent
对象描述事件源和性质已经改变。
PropertyVetoException
-如果收件人的祝福属性改变被回滚。
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