接口 javax.mail.event.MessageCountListener
的使用

使用 MessageCountListener 的软件包
javax.mail The JavaMailTM API provides classes that model a mail system. 
javax.mail.event Listeners and events for the JavaMail API. 
 

javax.mailMessageCountListener 的使用
 

参数类型为 MessageCountListenerjavax.mail 中的方法
 void Folder.addMessageCountListener(MessageCountListener l)
          Add a listener for MessageCount events on this Folder.
 void Folder.removeMessageCountListener(MessageCountListener l)
          Remove a MessageCount listener.
 

javax.mail.eventMessageCountListener 的使用
 

实现 MessageCountListenerjavax.mail.event 中的类
 class MessageCountAdapter
          The adapter which receives MessageCount events.
 



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