xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation'
xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
xmlns:d='http://schemas.microsoft.com/expression/blend/2008'
xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006'
mc:Ignorable='d'
d:DesignWidth='640'
d:DesignHeight='480'>
Width="100" Height="50" Stroke="Black" StrokeThickness="1"
Grid.Column="2" Grid.Row="1"
HorizontalAlignment="Center" Margin="10">
HorizontalAlignment="Center">
Start Animation
Storyboard.TargetProperty="Opacity"
From="1.0" To="0.0" Duration="0:0:10" />