Windows应用程序，窗口，事件驱动，句柄和Windows消息，Windows应用常用消息-Windows application, window, event-driven, handle and Windows news, Windows applications commonly used news

窗口的初运行程序，是初学者的法宝，进行学习讨论。-The beginning of the window running the program, is a magic weapon for beginners to conduct study and discussions.

编写hello程序，窗口部件，布局管理，应用程序主窗口，事件系统，qt对象模型和容器类-qt creator