private void 进度条_ValueChanged(object sender, RoutedPropertyChangedEventArgs <double> e)
 {
     if (button == 1)
     {
         播放时间.Content = Function_list.sec_to_hms(进度条.Value).Substring(3, 5) + "-" + Song_time;
     }
 }
        /// <summary>
        /// 读取专辑图片
        /// 有些图片格式不支持会导致NET框架内部出错,会自动将图片转换为.png格式的图片文件
        /// </summary>
        /// <param name="path">歌曲路径</param>
        /// <returns></returns>
        public static BitmapImage GetCover(string path)
        {
            BitmapImage bmp = new BitmapImage();

            TagLib.File f = TagLib.File.Create(path);
            try
            {
                if (f.Tag.Pictures != null && f.Tag.Pictures.Length != 0)
                {
                    //字节流转BitmapImage对象
                    bmp.BeginInit();
                    bmp.StreamSource = new MemoryStream(f.Tag.Pictures[0].Data.Data);
                    bmp.EndInit();
                    return(bmp);//返回图片对象
                }
            }
            catch //(Exception ex)如果图片格式不支持
            {
                FileStream fs = null;
                try
                {//将图片写入到新的路径
                    fs = new FileStream(System.IO.Path.GetTempPath() + "临时文件.png", FileMode.Create, FileAccess.Write);
                    fs.Write(f.Tag.Pictures[0].Data.Data, 0, f.Tag.Pictures[0].Data.Data.Length);
                }
                catch { }
                finally
                {
                    fs.Close();//释放文件句柄
                    fs.Dispose();
                }//图片格式转换
                System.Drawing.Image Dummy = System.Drawing.Image.FromFile(System.IO.Path.GetTempPath() + "临时文件.png");
                Dummy.Save(System.IO.Path.GetDirectoryName(path) + @"\" + System.IO.Path.GetFileNameWithoutExtension(path) + ".png", System.Drawing.Imaging.ImageFormat.Bmp);
                bmp = Function_list.Album_pictures(System.IO.Path.GetDirectoryName(path) + @"\" + System.IO.Path.GetFileNameWithoutExtension(path) + ".png");
                Dummy.Dispose();
                System.IO.File.Delete(System.IO.Path.GetDirectoryName(path) + @"\" + System.IO.Path.GetFileNameWithoutExtension(path) + ".png");
                System.IO.File.Delete(System.IO.Path.GetTempPath() + "临时文件.png");
                return(bmp);//返回图片对象
            }
            return(null);
        }