Thread: Undefined Reference to..

Hi,

I'm trying to compile a simple program using CodeBlocks 8.02, mainly 3 files: main.cpp, matriz.h and matriz.cpp. However, I keep getting an "undefined reference error". I ve been looking for a solution on Internet and any of them fixes the problem. So far, I tried this:
- Using WinMain instead of main().
- Main with parameters.
- Using END_OF_MAIN().
and many more....

Please HELP!!!

Thanks.