对windows登录验证的功能进行打包封装成用户控件，方便重用-Pairs of windows logon authentication features packaged into a user control package to facilitate the reuse

一个简单的ＶＣ＋＋环境开发下的学生信息系统，包括姓名，学号，性别，照片等基本信息-A simple VC++ environment for the development of the student information system, including basic information such as name, student number, gender, photo