Emgu.CV.CvInvoke.cvCreateCameraCapture C# (CSharp) Метод

        public static extern IntPtr cvCreateCameraCapture(int index);

        ///<summary> Create a capture using the specific camera</summary>
        ///<param name="camIndex"> The index of the camera to create capture from, starting from 0</param>
        public Capture(int camIndex)
        {
#if TEST_CAPTURE
#else
            _ptr = CvInvoke.cvCreateCameraCapture(camIndex);
            if (_ptr == IntPtr.Zero)
            {
                throw new NullReferenceException(String.Format("Error: Unable to create capture from camera{0}", camIndex));
            }
#endif
        }