C / C++ / MFC

hResult = pAudioClient->Initialize(AUDCLNT_SHAREMODE_SHARED, 0, 1000000000, 0, pWaveFormatEx, NULL);
if(FAILED(hResult)) return;

UINT nTotalBufferSize = 0;
pAudioClient->GetBufferSize(&nTotalBufferSize);

IAudioRenderClient *pAudioRenderClient = GetRenderClient(pAudioClient);

BYTE* pData = NULL;
hResult = pAudioRenderClient->GetBuffer(nTotalBufferSize, &pData); // get all the buffer

hResult = pAudioClient->GetService(IID_IAudioRenderClient, (void**)&pAudioRenderClient);
if(FAILED(hResult)) return;

::memcpy(pData, pDataPCM, nTotalBufferSize);

hResult = pAudioRenderClient->ReleaseBuffer(nTotalBufferSize, 0);

hResult = pAudioClient->Start(); // Start Playing

DWORD dwFlags = 0;

while(TRUE)
{
    ::Sleep(500);

    UINT nFramesPadding = 0, nFramesAvailable;
    hResult = pAudioClient->GetCurrentPadding(&nFramesPadding);

            /* HERE I MEANT TO DO SOMETHING TO LISTEN TO THIS BUFFER */

    TRACE("%d\n", nFramesPadding);
}

hResult = pAudioClient->Stop();

class Grid{
public:
  // initialize vector with 3 points with val 0.
  Grid(vector<Points> v) : vector<Points>(3, 0) {};  // is this right


// first option
  ~Grid() {
    ~vector<Points>();  // not sure how to destroy vector<Points>;
  }

// second option
  ~Grid() {
     delete v_points;
  }

// third option
  ~Grid() {
     for (vector<Points>::iterator it = v_points.begin(),
          vector<Points>::iterator it_end = v_points.end(); it != it_end; it++)
  }

private:
  vector<Points> v_points;
};