void CreateDirectSound(Guid deviceId, IntPtr handle)

{

    // 音频设备的Id

    _ds = new DirectSound(deviceId);

　　// 需要使用窗口的句柄

    _ds.SetCooperativeLevel(handle, CooperativeLevel.Normal);

}

void Play(string file)

 {

    SecondarySoundBuffer snd = null;

    // 读取wav音频文件

    using (WaveStream ws = new WaveStream(file))

     {

        var desc = new SoundBufferDescription();

            desc.Format = ws.Format;

        desc.Flags = BufferFlags.GlobalFocus | BufferFlags.ControlVolume | BufferFlags.ControlPositionNotify | BufferFlags.GetCurrentPosition2;

            desc.SizeInBytes = (int)ws.Length;

        // 为声音建立二级缓冲区

        snd = new SecondarySoundBuffer(_ds, desc);

        snd.Volume = -;

        byte[] buffer = new byte[desc.SizeInBytes];

        ws.Read(buffer, , buffer.Length);

        snd.Write<byte>(buffer, , LockFlags.None);

    }

    snd.Play(, PlayFlags.None);

} 

class SoundUnit

{

    public int Id { get; private set; }

    public SoundBuffer Buffer { get; private set; }

    public AutoResetEvent Event { get; private set; }

    public SoundUnit(SoundBuffer buffer)

    {

            this.Id = ++i;

            this.Buffer = buffer;

            this.Event = new AutoResetEvent(false);

    }

}

    void Play(string file)

    {

        SecondarySoundBuffer snd = null;

        SoundUnit su = null;

        // 读取wav音频文件

        using (WaveStream ws = new WaveStream(file))

        {

            var desc = new SoundBufferDescription();

            desc.Format = ws.Format;

            desc.Flags = BufferFlags.GlobalFocus | BufferFlags.ControlVolume |             BufferFlags.ControlPositionNotify | BufferFlags.GetCurrentPosition2;

            desc.SizeInBytes = (int)ws.Length;

            // 为声音建立二级缓冲区

            snd = new SecondarySoundBuffer(_ds, desc);

            snd.Volume = -;

            byte[] buffer = new byte[desc.SizeInBytes];

            ws.Read(buffer, , buffer.Length);

            snd.Write<byte>(buffer, , LockFlags.None);

            su = new SoundUnit(snd);

            snd.SetNotificationPositions(new[]{

            // 设置播放结束后回调

            new NotificationPosition{ Event = su.Event, Offset = DSBPN_OFFSETSTOP }         });

        }

        snd.Play(, PlayFlags.None);

        Console.WriteLine("播放开始：" + su.Id);

        WaitForNotification(su);

    }

    void WaitForNotification(SoundUnit unit)

    {

        new Thread(() =>{

        // 等待播放完成

        unit.Event.WaitOne();

         Console.WriteLine("播放结束：" + unit.Id);     }).Start();

    }