public static extern int waveOutOpen(
out IntPtr hWaveOut,
int uDeviceID,
WaveFormat lpFormat,
WaveNative.WaveDelegate dwCallback,
int dwInstance,
int dwFlags);
public WaveOut(int buffers, int bufferSize)
{
wd = WaveCallback;
format = new WaveFormat(44100, 16, 2);
buf = new WaveBufferList(buffers, bufferSize);
}