ElasticEase.Springiness Property
Definition
Important
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Gets or sets the stiffness of the spring. The smaller the Springiness value is, the stiffer the spring and the faster the elasticity decreases in intensity over each oscillation.
public:
property double Springiness { double get(); void set(double value); };public double Springiness { get; set; }member this.Springiness : double with get, setPublic Property Springiness As DoubleProperty Value
A positive number that specifies the stiffness of the spring. The default value is 3.
Examples
The following example applies an ElasticEase easing function to a DoubleAnimation to create an animation that resembles a spring oscillating back and forth until it comes to rest.
<Rectangle Name="myRectangle" Width="200" Height="30" Fill="Blue">
<Rectangle.Triggers>
<EventTrigger RoutedEvent="Rectangle.MouseDown">
<BeginStoryboard>
<Storyboard>
<DoubleAnimation From="30" To="200" Duration="00:00:4"
Storyboard.TargetName="myRectangle"
Storyboard.TargetProperty="Height">
<DoubleAnimation.EasingFunction>
<!-- Elastic easing function assigned to From/To animation -->
<ElasticEase x:Name="myElasticEase" Oscillations="3"
Springiness="1" EasingMode="EaseOut"/>
</DoubleAnimation.EasingFunction>
</DoubleAnimation>
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</Rectangle.Triggers>
</Rectangle>
Remarks
The smaller the Springiness value is, the stiffer the spring and the faster the elasticity decreases in intensity over each oscillation.
Dependency property identifier field: SpringinessProperty
The following diagram illustrates the effect of different values of Springiness.
XAML Attribute Usage
<ElasticEase Springiness="double"/>
