类似与QQ的鼠标进入滑出，鼠标离开收缩VB程序调用了系统的API函数，可以判断鼠标离开本窗体或者控件。-similar QQ and slid off into the mouse, the mouse left VB contraction of the system call API functions can be judged from the mouse or the Form Control.

基于windows API的即时通讯软件,采用jabber开放协议,可以和msn qq等互通,-Instant messaging software based on Windows API, using jabber open protocols, can exchange, such as qq and MSN

将qq嵌入了自己的界面,使用了qq提供的api()