QT环境下，一个系统托盘图标，大家可以借鉴-QT environment, a system tray icon, we can learn

在Qt中经常用到需要把正在运行的程序最小化到系统托盘中 ，以下是关于怎样实现这一功能的demo-Frequently used in Qt need to be running the program minimized to system tray, the following is how to achieve this functionality demo

A MessageCenterTrayDelegate implementation that exposes the MessageCenterTray via a system tray icon.