If you actually try using ico files in this format, you'll find that a number of popular icon-authoring tools crash when asked to load a PNG-compressed icon file for editing.

如果你在ICO文件中使用这种格式，那么很多有名的图标编辑软件在打开这种PNG压缩的图标文件都会崩溃。

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We finish our tour of the evolution of the ICO file format with the introduction of PNG-compressed images in Windows Vista.

我们以在Windows Vista中引入的PNG格式图标来结束这次的ICO文件格式演化之旅。

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