Opencv3.4：显示一张图片

#include "opencv2/opencv.hpp"
using namespace cv;
#pragma comment(lib, "opencv_core340d.lib")
#pragma comment(lib, "opencv_imgcodecs340d.lib")
#pragma comment(lib, "opencv_highgui340d.lib")

int main()
{
    Mat image = imread("test.png");
    namedWindow("window");
    imshow("window", image);
    waitKey(0);
    system("pause");
    return 0;
}