触摸屏的屏幕类型主要有平面、球面、柱面、液晶四种类型。 触摸屏通常采用CRT显示器和LCD液晶显示器两种。
表1显示了用于定义每种屏幕类型的对象。
对话框——此屏幕类型显示执行任务所需的数据输入字段。
Dialog — This screen type displays data entry fields required to execute the task.
菜单——此屏幕类型提供到其他菜单、对话框或直接到任务的选项。
Menus -- This screen type gives choices of another menu, a dialog, or straight to the task.
So input is an int called F, print out to the screen or your piece of paper the value of C. Odds are you only need two, maybe three lines of code for this, but the goal ultimately will be try it on your own.
所以输入是一个int类型的F,在你的屏幕上,或你们的纸上打印出C的数值,可能你们需要两行或者三行的代码,但是最终的目标需要你自己独自尝试。
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