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easingdoublekeyframe.md

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-api-id -api-type
T:Windows.UI.Xaml.Media.Animation.EasingDoubleKeyFrame
winrt class

Windows.UI.Xaml.Media.Animation.EasingDoubleKeyFrame

-description

Associates an easing function with a DoubleAnimationUsingKeyFrames key-frame animation.

-xaml-syntax

<EasingDoubleKeyFrame .../>

-remarks

Easing functions allow you to apply custom mathematical formulas to your animations. Mathematical operations are often useful to produce animations that simulate real-world physics in a 2-D coordinate system. For example, you may want an object to realistically bounce or behave as though it were on a spring. For a list of easing functions and info on how to use them, see Key-frame animations and easing function animations.

If no easing function is set, the default easing function will be linear.

-examples

This XAML example shows how to use key frames that have easing functions associated with them to create an animation of a rectangle that contracts upward, slows down, then expands downward (as though falling), and then bounces to a stop.

[!code-xamlEasingFunctionDoubleKeyFrame]

[!code-csharpEasingFunctionDoubleKeyFrame_code]

[!code-vbEasingFunctionDoubleKeyFrame_code]

-see-also

Storyboarded animations, Key-frame animations and easing function animations, XAML animation sample, DoubleKeyFrame, EasingColorKeyFrame, EasingPointKeyFrame, KeyTime, Value