///<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 }