类 javax.mail.event.MessageCountEvent
的使用

使用 MessageCountEvent 的软件包
javax.mail.event Listeners and events for the JavaMail API. 
 

javax.mail.eventMessageCountEvent 的使用
 

参数类型为 MessageCountEventjavax.mail.event 中的方法
 void MessageCountListener.messagesAdded(MessageCountEvent e)
          Invoked when messages are added into a folder.
 void MessageCountAdapter.messagesAdded(MessageCountEvent e)
           
 void MessageCountListener.messagesRemoved(MessageCountEvent e)
          Invoked when messages are removed (expunged) from a folder.
 void MessageCountAdapter.messagesRemoved(MessageCountEvent e)
           
 



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