How to eliminate Warning LNK4221?

Question

I am working on a project using c++/windows forms (visual studio 2010), we have 4 projects:

• 1 project containing GUI windows forms {managed code} and this is the

Answer 1

See this: https://docs.microsoft.com/en-us/cpp/error-messages/tool-errors/linker-tools-warning-lnk4221

In summary, the file exports nothing, so linker does not link, as it thinks it's a waste of effort