Error C2491: Function declared in header and defined in C++

Question

I have been trying to build a device adapter for a open-source software called Micro-manager to control a microscope and there are some problems that I am facing, there are thes

Answer 1

You're not supposed to repeat your MODULE_API declaration in the definition, having it as part of the declaration is good enough. Remove the use of MODULE_API from the .cpp file and the code should compile.