C# WPF 解决方案MineRealms启动器 自动随机播放音乐的代码

             //Nothing             //Nothing
                 string[] files = Directory.GetFiles(Path.GetDirectoryName(App.config.MainConfigPath), "bgmusic_?.mp3");
                 )
                 {
                     Random random = new Random();
                     mediaElement.Source = new Uri(files[random.Next(files.Count())]);
                     this.volumeButton.Visibility = Visibility.Visible;
                     mediaElement.Play();
                     mediaElement.Volume = ;
                     await Task.Factory.StartNew(() =>
                     {
                         try
                         {
                             ; i < ; i++)
                             {
                                 this.Dispatcher.Invoke(new Action(() =>
                                 {
                                     this.mediaElement.Volume += 0.01;
                                 }));
                                 Thread.Sleep();
                             }
                         }
                         catch (Exception) { }
                     });