wpf简单的音乐播放

xaml:

<ToggleButton Content="试听"  Height="30" HorizontalAlignment="Left" Margin="10" Name="ListenMusic" VerticalAlignment="Top" Width="50" Checked="ListenMusic_Checked" Unchecked="ListenMusic_Unchecked" />

cs:

MediaPlayer player = new MediaPlayer();

 private void ListenMusic_Checked(object sender, RoutedEventArgs e)
 {
      string MusicFile = App.MusicDir + this.tWinMusic.Text;
      if (File.Exists(MusicFile))
      {
           player.Open(new Uri(MusicFile, UriKind.Relative));
           player.Play();
       }
 }

 private void ListenMusic_Unchecked(object sender, RoutedEventArgs e)
 {
      player.Stop();
 }