public static extern MMSysErr waveOutOpen(out WaveHandle hWaveOut, int uDeviceID, WaveFormat lpFormat,
waveOutProc dwCallback, IntPtr dwInstance, WaweOutFlag dwFlags);
public static extern MMSysErr waveOutOpen(out WaveHandle hWaveOut, int uDeviceID, WaveFormat lpFormat, waveOutProc dwCallback, IntPtr dwInstance, WaweOutFlag dwFlags);
public void Open()
{
WaveFormat fmt = new WaveFormat(SamplesPerSec, BitsPerSample, 1);
fmt.cbSize = (short)Marshal.SizeOf(fmt);
fmt.wFormatTag = (short)WaveFormats.Pcm;
MM.Check(Api.waveOutOpen(out Handle, Api.WAVE_MAPPER, fmt,
waveOutProc,
(IntPtr)(GCHandle.Alloc(this)),
//!!!GCHandle.ToIntPtr(GCHandle.Alloc(this)),
WaweOutFlag.CALLBACK_FUNCTION));
}
