private void getImage()
  

  {
  

  if (playSong_ != null)
  

  {
  

  //Song playSong_;SongName是TextBlock控件的name属性
  

  SongName.Text = playSong_.Name;
  

  

  Stream albumArtStream = playSong_.Album.GetAlbumArt();
  

  

  //找不到时使用默认的封面
  

  if (albumArtStream == null)
  

  {
  

  StreamResourceInfo albumArtPlaceHolder = Application.GetResourceStream(new Uri("ApplicationIcon.png",UriKind.Relative));
  

  albumArtStream = albumArtPlaceHolder.Stream;
  

  }
  

  

  BitmapImage albumArtImage = new BitmapImage();
  

  albumArtImage.SetSource(albumArtStream);
  

  

  //cover是Image控件的name属性
  

  cover.Source = albumArtImage;
  

  }
  

  }