<Window x:Class="Animation.AnimationInStyle"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="AnimationInStyle" Height="300" Width="300">
<Window.Resources>
<Style x:Key="GrowButtonStyle">
<Style.Triggers>
<Trigger Property="Button.IsPressed" Value="True">
<Trigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimation Storyboard.TargetProperty="Width"
To="250" Duration="0:0:5"></DoubleAnimation>
</Storyboard>
</BeginStoryboard>
</Trigger.EnterActions>
</Trigger>
</Style.Triggers>
</Style>
</Window.Resources>
<Button Padding="10" Name="cmdGrow" Height="40" Width="160" Style="{StaticResource GrowButtonStyle}"
HorizontalAlignment="Center" VerticalAlignment="Center">
Click and Make Me Grow
</Button>
</Window>
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