<Window x:Class="WpfApplication1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="301" Width="396" WindowStartupLocation="CenterScreen">
    
    
    <Window.Resources>
        
        <Storyboard x:Key="Msr">
            <MediaTimeline Storyboard.TargetName="media" Source="D:\EXP\MyVideo3\WpfApplication8\bin\Debug\Video\Become happier.avi"></MediaTimeline>
        </Storyboard>
    </Window.Resources>
    
        <Canvas Height="258" Name="Canvas1" Width="346" >
        <Canvas.Triggers>
            
            <EventTrigger RoutedEvent="ButtonBase.Click" SourceName="cmdPlay">
                <EventTrigger.Actions>
                    <BeginStoryboard Name="MediaStoryboard" Storyboard="{StaticResource Msr}"/>
                </EventTrigger.Actions>
            </EventTrigger>

            <EventTrigger RoutedEvent="ButtonBase.Click" SourceName="cmdPause">
                <EventTrigger.Actions>
                    <PauseStoryboard BeginStoryboardName="MediaStoryboard"/>
                </EventTrigger.Actions>
            </EventTrigger>

            <!--<EventTrigger RoutedEvent="ButtonBase.Click" SourceName="cmdStop">
                <EventTrigger.Actions>
                    <StopStoryboard BeginStoryboardName="MediaStoryboard"/>
                </EventTrigger.Actions>
            </EventTrigger>-->

            <EventTrigger RoutedEvent="ButtonBase.Click" SourceName="cmdResume">
                <EventTrigger.Actions>
                    <ResumeStoryboard BeginStoryboardName="MediaStoryboard"/>
                </EventTrigger.Actions>
            </EventTrigger>

    </Canvas.Triggers>

        <MediaElement Name="media" Height="200" Width="300" Canvas.Left="21" Canvas.Top="12" Source="D:\EXP\MyVideo3\WpfApplication8\bin\Debug\Video\Become happier.avi"></MediaElement>        
        <Button Name="cmdPlay" Width="50" Canvas.Left="35" Canvas.Top="219">Play</Button>
        <Button Name="cmdPause" Width="50" Canvas.Left="108" Canvas.Top="219">Pause</Button>
        <Button Name="cmdResume" Width="50" Margin="0,0,0,0" Canvas.Left="181" Canvas.Top="219">Cont</Button>
        <!--<Button Name="cmdStop" Width="50" >Stop</Button>-->
        <Button Name="cmdExt" Width="50" Click="cmdExt_Click" Canvas.Left="252" Canvas.Top="219">Exit</Button>
    </Canvas>
</Window>

        private void cmdExt_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }