这些程序用C语言编写并使用原始的Windows Application Programming Interface（API）。如在本章稍后所讨论的，这不是写作Windows程序的唯一方法。然而，无论最终您使用什么方式写作程序，了解Windows API都是非常重要的。-These programs use the C language and use the original Windows Application Programming Interface (API). As discussed later in this chapter, this is not the only way to writing Windows programs. However, regardless of what method you use the writing process is very important to understand the Windows API.