TOAPI.WinMM.WaveOutSafeHandle.ReleaseHandle C# (CSharp) 메소드

        protected override bool ReleaseHandle()
        {
            if (!this.IsClosed)
            {
                MMSYSERROR ret = winmm.waveOutClose(this);
                return ret == MMSYSERROR.MMSYSERR_NOERROR;
            }
            else
            {
                return true;
            }
        }
    }