How to Create a Simple WallHack

Hey everyone...
I know that you will say 1st to learn c++...I know c++ and many more languages I am a programmer but I don't know how to create a dll that's can hack a game (CrossFire EU) I tryed to find addies from CSHell and get a base from anothers...but couldn't can someone please help me just a little bit help...

Youtube has all the answers i think.

Can you give me a tutorial...