这个东西的功能很强大，用来在标题栏上面放置两个按钮，用来上卷/放下窗体；可以修改默认的系统菜单里面的最小化最大化图标为立体状等；-The function of this thing is very powerful, used in the title bar to place the two side buttons for the volume/down form can modify the default system me