Playing a sound with a trigger

   
     

        

<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      HorizontalAlignment="Stretch" VerticalAlignment="Stretch">

        <Rectangle Fill="Green">
          <Rectangle.Triggers>
            <EventTrigger RoutedEvent="Rectangle.MouseEnter">
              <SoundPlayerAction Source="c:windowsmediading.wav" />
            </EventTrigger>
          </Rectangle.Triggers>
        </Rectangle>
</Page>