Windows环境下的麦克风录音系统

Windows环境下的麦克风录音系统(15)             {
     if(nIDEvent == 1)
    { 
  static const int xCon = 13;
  static const int yCon = 13;
  static const int wCon = 623;
  static const int hCon = 80;
  
  CClientDC dc(this);
  
  CBitmap   Bitmap;
  CBitmap * pbmOld = NULL;  
  CDC         dcMem;
  
  dcMem.CreateCompatibleDC(&dc);  
  Bitmap.CreateCompatibleBitmap(&dc,wCon,hCon);
  
  pbmOld = dcMem.SelectObject(&Bitmap);
  
  dcMem.PatBlt(0,0,wCon,hCon, WHITENESS);  
  dcMem.MoveTo(0,hCon/2);
  
  //
  // display incomming signal--key idea!
  //
  for(int x =0 ; x < wCon; x++)  // display Input
  {
   dcMem.LineTo(x,(hCon >> 1) - (theSoundCapture().InputBuffer[x] >> 7));
  }
  
  dc.BitBlt(xCon,yCon,wCon,hCon,&dcMem, 0, 0, SRCCOPY);
  
  dcMem.SelectObject(pbmOld);
  dcMem.DeleteDC(); 
   }
   else
          CDialog::OnTimer(nIDEvent);
            }
      
      5.点击停止(Stop)按钮的时候停止录音和写WAV文件
                  void CMicDemoDlg::OnStop()
                 {
          // TODO: Add your control notification handler code here