private void WriteToWaveOut()
{
MmResult result;
lock (waveOutLock)
{
result = WaveInterop.waveOutWrite(hWaveOut, header, Marshal.SizeOf(header));
}
if (result != MmResult.NoError)
{
throw new MmException(result, "waveOutWrite");
}
GC.KeepAlive(this);
}