问SlimDX录制(正常)然后播放(问题！)

EN

        XAudio2 device = new XAudio2();
        MasteringVoice masteringVoice = new MasteringVoice(device);

        var s = System.IO.File.OpenRead(fileName);
        WaveStream stream = new WaveStream(s);
        s.Close();

        AudioBuffer buffer = new AudioBuffer();
        buffer.AudioData = stream;
        buffer.AudioBytes = (int)stream.Length;
        buffer.Flags = BufferFlags.EndOfStream;

        SourceVoice sourceVoice = new SourceVoice(device, stream.Format);
        sourceVoice.SubmitSourceBuffer(buffer);
        sourceVoice.Start();

        // loop until the sound is done playing
        while (sourceVoice.State.BuffersQueued > 0)
        {
            if (GetAsyncKeyState(VK_ESCAPE) != 0)
                break;

            Thread.Sleep(10);
        }

        // wait until the escape key is released
        while (GetAsyncKeyState(VK_ESCAPE) != 0)
            Thread.Sleep(10);

        // cleanup the voice
        buffer.Dispose();
        sourceVoice.Dispose();
        stream.Dispose();