lesson-1

代码说明：

  Windows程序运行原理及程序编写流程，窗口产生过程，句柄原理，消息队列，回调函数，窗口关闭与应用程序退出的工作关系，使用VC++的若干小技巧，stdcall与cdecl调用规范的比较，初学者常犯错误及注意事项。(Run Windows program principles and procedures for the preparation process, the process window, handle theory, message queues, the callback function, the application window is closed and quit working relationship, using VC++ several tips, stdcall and cdecl calling conventions comparison, beginners often mistakes and precautions.)