I am really new to c++ and am using Netbeans for now.
I managed to create a Sign.h and Sign.cpp containing a working class Sign
.
I added these to a Cons
You need two files from a library. The library file (.lib on windows, .a on linux) and the include file (.h files).
The Options => Build => Linker => Libraries is only for the library file. You also need to set the path for the includes under File => Project Properties => Build => C++ Compiler => General => Include Directories