How does the cursor know where to go, how does the text get painted, and how do you create different-sized text fields?
如何知道光标移动到什么地方，如何显示文本，如何创建不同大小的文本域？
But it can be tricky to 'tap' exactly where you want the cursor to go.
但是，它可以非常棘手，以'自来水'正是您想要的光标移动到去。
With that blinking cursor on our Internet search box only a button away and ever ready to unleash a geyser of electronic information, no longer do we have to go into any encounter wholly unprepared.
互联网搜索中，只要移动光标，鼠标一点，信息就源源不断地出来了。
Now go to the top of the frame, place the mouse cursor over the TestActivity icon, and a menu bar appears.
现在转到框架的顶部，将鼠标放到TestActivity图标上，会出现一个菜单栏。
Once you have started dragging you can even let go of the space bar and it will still work, even though the cursor changes back to the cross of the select tool.
一旦开始拖动，你甚至可以松开空格键，你会发现仍然可以继续拖动，就算光标会变回选择工具的十字形。
Once you have started dragging you can even let go of the space bar and it will still work, even though the cursor changes back to the cross of the select tool.
一旦开始拖动，你甚至可以松开空格键，你会发现仍然可以继续拖动，就算光标会变回选择工具的十字形。
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