这个框架在象字符串这样的基本类型（接近操作系统的窗口小部件希望使用这些基本类型）和更高级的模型对象（您的代码更愿意使用这些对象）之间进行映射。

This framework maps between primitives like strings that the widgets close to the operating system expect and the higher-level model objects with which your code prefers to work.

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通过点击鼠标按键，滚动滚轮来导航和聚焦窗口和框架，或者完全的通过键盘来操作。

Windows and frames are navigated and focused on any mouse button click, including rolling the wheel, or alternatively driven entirely by the keyboard.

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相反，WPF列表框不是框架，因为呈现和命中测试操作是由包含列表框的WPF窗口处理的。

By contrast, a WPF list box is not a framework, because the rendering and hit-testing is being handled by the containing WPF window.

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