<Window x:Class="WpfApplication1.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="WPF" Height="100" Width="300"> <StackPanel> <MediaElement Name="meMediaElem" /> <UniformGrid Height="70" Columns="2"> <Button Content="Ding" MaxHeight="25" MaxWidth="70"> <Button.Triggers> <EventTrigger RoutedEvent="Button.Click"> <EventTrigger.Actions> <BeginStoryboard> <Storyboard> <MediaTimeline Source="ding.wav" Storyboard.TargetName="meMediaElem"/> </Storyboard> </BeginStoryboard> </EventTrigger.Actions> </EventTrigger> </Button.Triggers> </Button> <Slider MaxHeight="25" MaxWidth="100" > <Slider.Triggers> <EventTrigger RoutedEvent="Slider.ValueChanged"> <EventTrigger.Actions> <BeginStoryboard> <Storyboard> <MediaTimeline Source="a.wav" Storyboard.TargetName="meMediaElem" /> </Storyboard> </BeginStoryboard> </EventTrigger.Actions> </EventTrigger> </Slider.Triggers> </Slider> </UniformGrid> </StackPanel> </Window>