为Microsoft 32位平台的应用程序编程接口，Win32 API是从事Windows应用程序开发所必备的。本书首先对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。-32 for Microsoft platform application programming interface, Win32 API is engaged in the development of Windows applications are essential. The book begins on the Win32 API function to do a complete overview; Then function contains five main categories : window management, graphics device interface, system services, international character and network services; In the appendix to the book, to explain how the Visual Basic and Delphi to their call.