public class WSounds
  {
    [DllImport("WinMM.dll")]
    public static extern bool  PlaySound(string fname, int Mod, int flag);

    // these are the SoundFlags we are using here, check mmsystem.h for more
    public int SND_ASYNC    = 0x0001;     // play asynchronously
    public int SND_FILENAME = 0x00020000; // use file name
    public int SND_PURGE    = 0x0040;     // purge non-static events

    public void Play(string fname, int SoundFlags)
    {
      PlaySound(fname, 0, SoundFlags);
    }

    public void StopPlay()
    {
      PlaySound(null, 0, SND_PURGE);
    }
  }