naudio 播放mp3

             var waveOutDevice = new WaveOut();
             var audioFileReader = new AudioFileReader("test.mp3");
             waveOutDevice.Init(audioFileReader);
             waveOutDevice.Play();
            //如果沒有這個回調判斷，播放1s後自動停止
             while (waveOutDevice.PlaybackState == PlaybackState.Playing)
             {
                 Thread.Sleep(100);
             }