Animate Ball Height
<Window x:Class="asdf" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="" Height="300" Width="300"> <Window.Resources> <Storyboard x:Key="ResizeEllipseStoryboard"> <ParallelTimeline> <DoubleAnimationUsingKeyFrames Storyboard.TargetName="ellipse" Storyboard.TargetProperty="Height"> <LinearDoubleKeyFrame Value="150" KeyTime="0:0:1" /> <LinearDoubleKeyFrame Value="230" KeyTime="0:0:2" /> <LinearDoubleKeyFrame Value="150" KeyTime="0:0:2.5" /> <LinearDoubleKeyFrame Value="230" KeyTime="0:0:5" /> <LinearDoubleKeyFrame Value="40" KeyTime="0:0:9" /> </DoubleAnimationUsingKeyFrames> </ParallelTimeline> </Storyboard> </Window.Resources> <Grid> <Grid.RowDefinitions> <RowDefinition /> <RowDefinition Height="40" /> </Grid.RowDefinitions> <Ellipse Height="40" Width="40" x:Name="ellipse" HorizontalAlignment="Center" VerticalAlignment="Center"> <Ellipse.Fill> <RadialGradientBrush GradientOrigin="0.75,0.25"> <GradientStop Color="Yellow" Offset="0.0" /> <GradientStop Color="Red" Offset="1.0" /> </RadialGradientBrush> </Ellipse.Fill> </Ellipse> <Button Content="Start..." Margin="10" Grid.Row="1"> <Button.Triggers> <EventTrigger RoutedEvent="Button.Click"> <BeginStoryboard Storyboard="{DynamicResource ResizeEllipseStoryboard}" /> </EventTrigger> </Button.Triggers> </Button> </Grid> </Window>