运行计划任务在指定的时间,天如 打开一个文件的默认应用程序,打开一个URL在web浏览器或关机或重新启动计算机。任务列表保存以便任务持续当应用程序关闭,重新开放。应用程序最小化到系统托盘也。-Schedule tasks to run at a specified time of day such as open a file in the default application, open a URL in the web browser or shutdown or reboot the