<Window x:Class="Animation.KeySplineAnimation" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="KeySplineAnimation" Height="249.6" Width="624" > <Window.Triggers> <EventTrigger RoutedEvent="Window.Loaded"> <EventTrigger.Actions> <BeginStoryboard> <Storyboard> <DoubleAnimationUsingKeyFrames Storyboard.TargetName="ellipse1" Storyboard.TargetProperty="(Canvas.Left)" > <SplineDoubleKeyFrame KeyTime="0:0:5" Value="250" KeySpline="0.25,0 0.5,0.7"></SplineDoubleKeyFrame> <SplineDoubleKeyFrame KeyTime="0:0:10" Value="500" KeySpline="0.25,0.8 0.2,0.4"></SplineDoubleKeyFrame> </DoubleAnimationUsingKeyFrames> <DoubleAnimation Storyboard.TargetName="ellipse2" Storyboard.TargetProperty="(Canvas.Left)" To="500" Duration="0:0:10"> </DoubleAnimation> </Storyboard> </BeginStoryboard> </EventTrigger.Actions> </EventTrigger> </Window.Triggers> <Canvas Margin="10"> <Ellipse Name="ellipse1" Canvas.Left="0" Fill="Red" Width="10" Height="10"></Ellipse> <Ellipse Name="ellipse2" Canvas.Top="150" Canvas.Left="0" Fill="Red" Width="10" Height="10"></Ellipse> </Canvas> </Window>