After installing Opencv2.2 using this tutorial I tried to run a simple sample script. It gave me the following error, however: The program can't start because opencv_highgui220.dll is missing from your computer. Try reinstalling the program to fix this problem. But I did, in fact, add the .dll to the Library Directories. I actually did everything the tutorial did too. I also tried to copy the .dll file to the general visual studio lib folder and then tried this #pragma comment (lib, opencv_highgui220) but I got the same error. Does anyone know how it is possible visual C++ still thinks the .dll does not exist? Thanks!
The option use library dependence inputs is set to yes.
The DLL is missing from your system's environment and has nothing to do with compiling and linking your executable (i.e. adding the DLL folder to your Library directories folder is meaningless).
Add the DLL folder to your system path (System Variable PATH in Environment variables).