Create a simple animation using WPF.

<Page x:Class="ControlsWPFApplication.Animation"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
      mc:Ignorable="d" 
      d:DesignHeight="300" d:DesignWidth="300"
	Title="Animation">

    <Grid>
        <Image Source="Images/hi.png" Stretch="Uniform" Margin="0,0,101,141" Height="50" Width="100" x:Name="hi">
            <Image.Triggers>
                <EventTrigger RoutedEvent="MouseEnter">
                    <BeginStoryboard>
                        <Storyboard>
                            <DoubleAnimation Storyboard.TargetName="hi" Storyboard.TargetProperty="Height" From="50" To="400" Duration="0:00:04"></DoubleAnimation>
                            <DoubleAnimation Storyboard.TargetName="hi" Storyboard.TargetProperty="Width" From="50" To="400" Duration="0:00:04"></DoubleAnimation>                            
                        </Storyboard>
                    </BeginStoryboard>
                </EventTrigger>
                <EventTrigger RoutedEvent="MouseLeave">
                    <BeginStoryboard>
                        <Storyboard>
                            <DoubleAnimation Storyboard.TargetName="hi" Storyboard.TargetProperty="Height" From="400" To="50" Duration="0:00:04"></DoubleAnimation>
                            <DoubleAnimation Storyboard.TargetName="hi" Storyboard.TargetProperty="Width" From="400" To="50" Duration="0:00:04"></DoubleAnimation>
                        </Storyboard>
                    </BeginStoryboard>
                </EventTrigger>
            </Image.Triggers>
        </Image>
    </Grid>
</Page>