直接用于关闭操作系统，方便简洁快速实用。直接调用系统函数。实现比较容易-directly to the closure of the operating system to facilitate rapid practical simplicity. Direct call functions. To achieve easier

用VFP做的登陆系统方便实用!!! !!! !!! !!! !!

类似QQ游戏大厅导航栏的树型控件.基于MFC开发,方便实用,便于扩展-QQ games hall similar to the tree control navigation bar. MFC-based development, convenient and practical, easy to expand