对于每个控件，可以重写每个目标设备的属性。

For each control, you can override properties for each target device.

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list控件的结构与for - each循环类似：它会遍历一个集合，对于集合中的每个项目，它都会进行渲染。

The list control construct is similar to a for-each loop: it iterates over a collection and for each item in the collection it renders its body.

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对于要将资源用于的每个控件，重复步骤1到8。

Repeat steps 1 through 8 for each control for which you want to use resources.

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