VideoCaptureRetrieve Method (OutputArray, CameraChannels)

Decodes and returns the grabbed video frame. The method decodes and returns the just grabbed frame. If no frames has been grabbed (camera has been disconnected, or there are no more frames in video file), the method returns false and the function returns an empty image (with %cv::Mat, test it with Mat::empty()).

public bool Retrieve(
	OutputArray image,
	CameraChannels streamIdx
)

Public Function Retrieve ( 
	image As OutputArray,
	streamIdx As CameraChannels
) As Boolean

public:
bool Retrieve(
	OutputArray^ image, 
	CameraChannels streamIdx
)

member Retrieve : 
        image : OutputArray * 
        streamIdx : CameraChannels -> bool