BasicScrollPaneUI.ViewportChangeHandler

java.lang.Object
- javax.swing.plaf.basic.BasicScrollPaneUI.ViewportChangeHandler

实现的所有接口

EventListener ， ChangeListener

Enclosing class:

BasicScrollPaneUI
```
public class BasicScrollPaneUI.ViewportChangeHandler
extends Object
implements ChangeListener
```
监听视口事件。

构造方法摘要

构造方法
构造器	描述
`ViewportChangeHandler()`

方法摘要
- 声明方法的类 java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- 声明方法的接口 javax.swing.event.ChangeListener
  stateChanged

- 构造方法详细信息
  - ViewportChangeHandler
```
public ViewportChangeHandler()
```