How to convert the values in cv::Mat to *CvMat

Question

Its difficult to understood the concept of convert cv::Mat to *CvMat.can u tell me how to convert that with some example.i use opencv2.1 with vs in win 7.

Thanks in advance, Regards, Arangarajan

Answer 1

Mat::operator CvMat()    

cf. opencv 2.1 documentation