MFCWindows的书的电子版的一部分（2），学习vc编程最好的教程了！上传真的不易，速度超慢！查找也不易！好好珍藏吧！-MFCWindows electronic version of the book as part of (2), learning the best programming tutorial vc! The fax is not easy, speed super slow! Not easy to find! Good collection of it!