public void Record()
{
IntPtr userdata = IntPtr.Zero; //intptr.zero is essentially just a null pointer
callbackDelegate = new PortAudio.PaStreamCallbackDelegate(myPaStreamCallback);
PortAudio.Pa_Initialize();
PortAudio.PaStreamParameters outputparams = new PortAudio.PaStreamParameters();
outputparams.channelCount = 1;
outputparams.sampleFormat = PortAudio.PaSampleFormat.paInt16;
outputparams.device = PortAudio.Pa_GetDefaultInputDevice();
outputparams.suggestedLatency = PortAudio.Pa_GetDeviceInfo(outputparams.device).defaultLowInputLatency;
outputparams.hostApiSpecificStreamInfo = IntPtr.Zero;
PortAudio.PaStreamParameters a = new PortAudio.PaStreamParameters(); //uninteresting output params cause i cant give it null
a.channelCount = 1;
a.sampleFormat = PortAudio.PaSampleFormat.paInt16;
a.device = PortAudio.Pa_GetDefaultOutputDevice();
a.suggestedLatency = PortAudio.Pa_GetDeviceInfo(a.device).defaultLowOutputLatency;
a.hostApiSpecificStreamInfo = IntPtr.Zero;
PortAudio.PaError error = PortAudio.Pa_OpenStream(out stream, ref outputparams, ref a, this.sampleRate,
(uint)NUM_SAMPLES, PortAudio.PaStreamFlags.paClipOff, callbackDelegate, IntPtr.Zero);
this.isRecording = true;
PortAudio.Pa_StartStream(stream);
Thread myThread = new Thread(new ThreadStart(record_loop));
myThread.Start();
}