vc++中实现进度条 - eric_e的博客 - CSDN博客
https://blog.csdn.net/eric_e/article/details/80085275
VC中进度条实时显示的解决方法 - eric_e的博客 - CSDN博客
https://blog.csdn.net/eric_e/article/details/80085406
VC++界面编程之–自定义进度条(CProgressBar)皮肤 - renstarone的博客 - CSDN博客
https://blog.csdn.net/rmxming/article/details/9230763
MFC中进度条控件的使用方法_百度经验
https://jingyan.baidu.com/article/95c9d20da97a45ec4e756114.html
下面重要
MFC编程实例二:进度条的使用 - haiross的专栏 - CSDN博客
https://blog.csdn.net/haiross/article/details/51566654
MFC中进度条的学习 - 风扶月归人 - CSDN博客
https://blog.csdn.net/saiolive/article/details/51152416