void GetCameraControlInfo(IltmmCameraControl *pCamera) { long lMin, lMax, lSteppingDelta, lDefault, lCapsFlags, lVal, lFlag; if (pCamera != NULL) { // 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); } }