文档内介绍了常用的Windows API函数名称及其作用，目录包括：1. API之网络函数 2. API之消息函数3. API之文件处理函数4. API之打印函数5. API之文本和字体函数6. API之菜单函数7. API之位图、图标和光栅运算函数8. API之绘图函数9. API之设备场景函数10. API之硬件与系统函数11. API之进程和线程函数12. API之控件与消息函数。-The document describes the common Windows API function name and its role, the directory includes:1.the API function about network 2.the API function about message 3.the API function about document processing 4. the API function about the print 5.the API function about text and font 6.the API functions about menu 7.the API function about the bitmap, icon and raster operation 8.the API function about drawing 9.the API functions about equipment scenes 10.the API function about the hardware and system 11.the API functions about the process and thread 12.the API functions about the control and message function.