该通讯录是自己练习时所编写，采用c#实现，以文本文件存取通讯录记录，并实现了记录的浏览，添加，修改，删除，音乐播放等功能-The Address Book is prepared by their own practice, the use of c# Achieve in order to access the Address Book text file records and achieved a record to view, add, modify, delete, music pla