Providing feedback to user for a long running operation (such as a wait cursor)
提供运行时间长的操作的反馈（如等待游标）。
If you instead use GetString, same thing: blinking cursor, the function is just going to wait for the user to type a word, a sentence or whatever, and then hit Enter.
如果你用GetSring来代替它，同样的：闪烁光标，那个函数只是等待用户来，输入一个单词，一个句子什么的，然后敲回车。
As we discussed in Chapter 19, many programs currently rely on active wait-cursor hinting, turning the cursor into an hourglass.
正如我们在第19章中所讨论的，当前许多程序依靠活动的等待光标暗示，把光标变成沙漏。
As we discussed in Chapter 19, many programs currently rely on active wait-cursor hinting, turning the cursor into an hourglass.
正如我们在第19章中所讨论的，当前许多程序依靠活动的等待光标暗示，把光标变成沙漏。
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