对Win32 API函数做完整的概述；然后收录五大类函数：窗口管理、图形设备接口、系统服务、国际特性以及网络服务；在附录部分，讲解如何在Visual Basic和Delphi中对其调用-Win32 API function to make a complete overview　then included five major functions: window management, graphics device interface, system services, international properties, as well as network services　at appendix to explain how Visual Basic and Delphi in its call