Github
https://github.com/gongluck/Opencv3.4-study.git
#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;
}