You can use this method for such tasks as displaying shortcut menu items or help information for a word in the control.
此方法可用于诸如显示快捷菜单项或控件中某个单词的帮助信息等任务。
Menu control types should appear under the control that their information is referring to.
菜单控件类型应当出现在其信息所指向的控件下面。
A menu selection program. It selects menu item by remote control keyboard, and sends the information to PLAYER.
这是一个节目选择菜单源码，根据接受红外遥控键盘来选择节目，并发送给PLAYER。
A menu selection program. It selects menu item by remote control keyboard, and sends the information to PLAYER.
这是一个节目选择菜单源码，根据接受红外遥控键盘来选择节目，并发送给PLAYER。
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