The controller handles all UI events, such as button clicks, menu selection, and text-field changes.
控制器处理所有UI事件，例如单击按钮、选择菜单以及更改文本字段。
His sketches at the time showed a credit-card-sized player with a rectangular screen and a central menu button to scroll through a selection of music tracks - very similar to the iPod.
他当时的设计草图表明，这个信用卡大小的播放器带有矩形显示屏和中心控制键，转动这个键可以选择音轨，而这些都与现在的iPod极其相似。
The system has advantages such as mouse control, push button operation, pop up menu selection, Windows prompt and all Chinese character desktop.
该系统用鼠标控制，按钮式操作，弹出式菜单选择，弹出窗口提示，全中文平台。
The system has advantages such as mouse control, push button operation, pop up menu selection, Windows prompt and all Chinese character desktop.
该系统用鼠标控制，按钮式操作，弹出式菜单选择，弹出窗口提示，全中文平台。
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