Vs2019 configuration opencv3 detailed graphic tutorial and implementation of test code

Links to graphic tutorials for details
https://www.jb51.net/article/184819.htm

The tutorial is very well written
But there is one thing to pay attention to
How to open attributes in the original tutorial , I don't think so , The original tutorial is as follows

You can see the properties of Dai Kai , It's gray , After that, the running example also reported an error .
therefore , My habit has always been , Right click the project name , Enter properties
（ Now that you have created an empty project , Why not right-click the attribute directly ？）