[REQUEST] How do you make a wallhack for crossfire?

Okay, I want to make a simple wallhack for crossfire. I know the basics of C++ and C# and I am willing to spend as much time as needed to make a simple wallhack for crossfire.

Any help?

Thanks in advance!
SUICIDE12345

EDIT: If anyone knows how to make a crosshair, then could you kindly teach me?

C++ and I have set my next steps