Declarative Playback

   
      

<Window x:Class="SoundAndVideo.DeclarativePlayback"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="DeclarativePlayback" Height="300" Width="300">
  <Window.Resources>
      <Storyboard x:Key="MediaStoryboardResource" SlipBehavior="Slip">
      <MediaTimeline Storyboard.TargetName="media" Source="c:song.mp3" FillBehavior="HoldEnd"></MediaTimeline>
      </Storyboard>
  </Window.Resources>
  
    <Grid Margin="5">
      <Grid.RowDefinitions>
        <RowDefinition Height="Auto"></RowDefinition>
        <RowDefinition Height="Auto"></RowDefinition>
        
      </Grid.RowDefinitions>
        <Grid.Triggers>          
            <EventTrigger RoutedEvent="ButtonBase.Click" SourceName="cmdPlay">
              <EventTrigger.Actions>
                <BeginStoryboard Name="MediaStoryboard" Storyboard="{StaticResource MediaStoryboardResource}"/>
              </EventTrigger.Actions>
            </EventTrigger>
            <EventTrigger RoutedEvent="ButtonBase.Click" SourceName="cmdStop">
              <EventTrigger.Actions>
                <StopStoryboard BeginStoryboardName="MediaStoryboard"/>
              </EventTrigger.Actions>
            </EventTrigger>
            <EventTrigger RoutedEvent="ButtonBase.Click" SourceName="cmdPause">
              <EventTrigger.Actions>
                <PauseStoryboard BeginStoryboardName="MediaStoryboard"/>
              </EventTrigger.Actions>
            </EventTrigger>
            <EventTrigger RoutedEvent="ButtonBase.Click" SourceName="cmdResume">
              <EventTrigger.Actions>
                <ResumeStoryboard BeginStoryboardName="MediaStoryboard"/>
              </EventTrigger.Actions>
            </EventTrigger>          
        </Grid.Triggers>

      <MediaElement Name="media"></MediaElement>
      <StackPanel Orientation="Horizontal">
        <Button Name="cmdPlay" Padding="5" Margin="1">Play</Button>
        <Button Name="cmdStop" Padding="5" Margin="1">Stop</Button>
        <Button Name="cmdPause" Padding="5" Margin="1">Pause</Button>
        <Button Name="cmdResume" Padding="5" Margin="1">Resume</Button>
        </StackPanel>

      <Grid Margin="0,10,0,0" Grid.Row="2">
        <Grid.RowDefinitions>
          <RowDefinition Height="Auto"></RowDefinition>
          <RowDefinition Height="Auto"></RowDefinition>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
          <ColumnDefinition Width="Auto"></ColumnDefinition>
          <ColumnDefinition></ColumnDefinition>
        </Grid.ColumnDefinitions>
        <TextBlock Margin="5">Volume: </TextBlock>
        <Slider Grid.Column="1" Minimum="0" Maximum="1"
              Value="{Binding ElementName=media, Path=Volume, Mode=TwoWay}"></Slider>
        <TextBlock Margin="5" Grid.Row="1">Balance: </TextBlock>
      <Slider Grid.Row="1" Grid.Column="1" Minimum="-1" Maximum="1"
        Value="{Binding ElementName=media, Path=Balance, Mode=TwoWay}"></Slider>
      </Grid>
    </Grid>
  
</Window>