下一代码段在提示框中显示每个回复文档的主题，以便于用户选择任何组合。

This next code snippet displays the subject of each response document in a prompt box for the user to select any combination.

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清单1显示了这个工具提示的代码。

Listing 1 shows the code for this tooltip.

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阅读源代码以查看所有可能的用户提示及其显示的内容，通常没有简单地运行程序看它做些什么来的直观。

Reading the source code to see every possible prompt to the user and the scenarios it displays is usually less functional than simply running the program to see what it does.

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