说明：   源程序文件存放于章节文件夹中，文件夹名与书中保持一致。 使用时请将实例文件夹下的所有文件拷贝到计算机硬盘上，并去掉所有文件的只读属性，用Visual C++6.0打开项目文件，即可编译运行。
(Stored in the source file folder section, folder names are consistent with the book. Please use the examples folder of all the files copied to the computer' s hard disk and remove all the files read-only attribute, using Visual C++6.0 open the project file, you can compile and run.)