Windows API 编程是指调用Windows 的接口函数来进行程序的编写， 例如MessageBox 就是一个API 函数或者说接口函数。怎么说都可以，自己理解就行。如果你连这个都不太懂，我想也不会搜到这篇文章了(Windows API programming refers to the programming of a program that calls the interface function of Windows, for example, MessageBox is a API function or an interface function. What you can say is all right, you can understand it. If you don't even understand this, I don't think I can search this article.)