托盘程序就是运行时在系统托盘区(就是桌面右下角显示时间的区域)出现一个小图标的程序。
说明：PB9托盘程序，应用最小化到屏幕右下角任务栏中。支持右键菜单。
PB9 tray, application minimized to the task bar bottom right corner of the screen. Supports right-click menu.
在程序运行过程中，您将看到右手下方系统托盘中的交通灯图标。
You will see a traffic signal icon in the bottom right-hand system tray while the program is running.
Adobe AIR现在支持后台应用和系统托盘通知，允许程序在后台运行。
Adobe AIR now supports background applications and system tray notifications, allowing the app to run in the background. Among its other features are.
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