[opencv learning problems] 1 Namedwindow() and imshow() show two windows in the picture

1、 Environment configuration

Win10 Family Chinese
VS2017 Community2017
OpenCV 3.4.4

2、 Problem description

Running with the following code will bring up two windows , A non interactive window with pictures , A gray interactive window

int showImage(int argc, char** argv)
{
    
	// display picture 
	cv::Mat img = cv::imread(argv[1], -1);
	if (img.empty())return -1;
	cv::namedWindow("Example1", cv::WINDOW_AUTOSIZE);
	cv::imshow("Example1", img);
	cv::waitKey(0);
	cv::destroyWindow("Example1");
	return 0;
}

The source code is very simple and can be run , No problem

3. Solution

project 》 attribute 》 The linker 》 Input 》 Additional dependency
Will configure opencv Delete a dependency added when
opencv_worldxxx.lib
opencv_worldxxxd.lib

Reprinted from ：
https://blog.csdn.net/u014284965/article/details/88172045