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ElasticEase.Springiness Property

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.

Namespace:  System.Windows.Media.Animation
Assembly:  System.Windows (in System.Windows.dll)

public double Springiness { get; set; }
<ElasticEase Springiness="double"/>

Property Value

Type: System.Double
A positive number that specifies the stiffness of the spring. The default value is 3.

Dependency property identifier field: SpringinessProperty

The smaller the Springiness value is, the stiffer the spring and the faster the elasticity decreases in intensity over each oscillation.

The following diagram illustrates the effect of different values of Springiness.

Demonstrates different Springiness values.

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.

Run this sample


<StackPanel x:Name="LayoutRoot" Background="White">
    <StackPanel.Resources>
        <Storyboard x:Name="myStoryboard">
            <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>
    </StackPanel.Resources>


    <Rectangle x:Name="myRectangle" MouseLeftButtonDown="Mouse_Clicked" 
     Fill="Blue" Width="200" Height="30" />



</StackPanel>



// When the user clicks the rectangle, the animation
// begins. 
private void Mouse_Clicked(object sender, MouseEventArgs e)
{
    myStoryboard.Begin();
}


Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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