鼠标钩子:记录当前窗口的句柄来判断鼠标是否离开窗口边界,并将鼠标位置处的窗口名称实时地显示出来. 键盘钩子:捕获用户键盘消息并利用消息框进行显示.-mouse hook : a record current window handle to determine whether the mouse left window border, and the location of the mouse window title is displayed in real-time. keyboard

利用HOOK技术，截获所有消息，并进行判断，如果是回车或空格按键消息，就将其屏蔽。 在VC中利用ADO访问数据库。-HOOK technology intercepts all messages, and to judge if it is a carriage return or space key messages will shield. Access the database using ADO in VC.