作为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。-Microsoft 32-bit platform application programming interfaces, Win32 API is essential in the Windows application development. The book begins with the Win32 API function to do a complete overview　and included five categories of functions: window management, graphics device interface, system services, features and network services　in the appendix to explain how its call in Visual Basic and Delphi.