本实例模拟QQ的抽屉效果，右击头像可以弹出快捷菜单修改属性，单击其它标签可以在各个组之间切换-The examples of simulation of the effect of QQ drawer, right-click pop-up head can modify properties of the shortcut menu, click in all the other labels can be switched between

实现QQ程序的抽屉效果，即QQ好友分组切换效果-QQ procedures to achieve drawer effect that packet switching effect of QQ friends ......