Introducing key-frames

Key-frame animations enable us to do a number of things that we cannot do with the From, By, and To animations. Unlike those animations, with key-frame animations, we are able to specify more than two target values and animate objects in discrete steps that cannot normally be animated. As such, there are more <TypeName>AnimationUsingKeyFrames classes than <TypeName>Animation classes, for example: RectAnimationUsingKeyFrames, SizeAnimationUsingKeyFrames.

Each <TypeName>AnimationUsingKeyFrames class has a KeyFrames property that we populate with key-frames to specify various values that must be passed during the animation. Each key-frame has a KeyTime and a Value property to specify the value and the relative time that it should ...

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