或者从本文的下载部分下载示例应用程序的完整代码压缩文件。

Alternatively, you can download a complete code archive of the example application from Downloads in this article.

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下载程序的最新源代码压缩包。

Download the most recent source tarball of the program.

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其他按钮的处理程序也都类似，可以为之使用相同的机制(本文随附的压缩文件包含了全部代码)。

The handlers for the other buttons are similar, and you can use the same mechanism (the attached sample archive includes the full code).

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