IltmmCapture::get_CameraControl Example for C++

void GetCaptureCameraControlInfo(IltmmCapture *pCapture) 
{ 
   IltmmCameraControl *pCamera = NULL; 
   long lMin, lMax, lSteppingDelta, lDefault, lCapsFlags, lVal, lFlag; 
 
   // try to get a camera control object 
   HRESULT hr = pCapture->get_CameraControl(&pCamera); 
 
   if (SUCCEEDED(hr)) 
   { 
      // get the range info 
      pCamera->GetRange(ltmmCameraControl_Zoom, &lMin, &lMax, &lSteppingDelta, &lDefault, &lCapsFlags); 
 
      // get the zoom and set it to the middle range value 
      pCamera->Get(ltmmCameraControl_Zoom, &lVal, &lFlag); 
      lVal = (lMax + lMin) / 2; 
      pCamera->Set(ltmmCameraControl_Zoom, lVal, lFlag); 
 
      // release the camera control object 
      pCamera->Release(); 
   } 
} 
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