XAML button animation
If you have been using the O'Reilly WPF book then on page 191 it has a section on animating color on buttons, its not listed on Chris's errata page but for referance it should be.
<
EventTrigger RoutedEvent="Click"> <EventTrigger.Actions>
<BeginStoryboard>
<Storyboard>
<ColorAnimation From="Yellow" To="White" Duration="0:0:5" Storyboard.TargetProperty="(Background).(SolidColorBrush.Color)" />
</Storyboard>
</BeginStoryboard >
</EventTrigger.Actions>
</EventTrigger>