注意可以在begin属性中使用“+ Xs”使动画延迟开始。

Note that you can delay the start of the animation by using a "+ Xs" in the begin attribute.

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您使用AnimateFilter类动画滤镜的属性。

You animate the properties of a filter using the AnimateFilter class.

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通过使用这些属性，可以构造一个简单的程序，该程序以动画效果改变一个视图的宽度，如清单4所示。

Using just these attributes, you can construct a simple program that animates changes to the width of a view, as in Listing 4.

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