How to change the code of a running process?

Question

Windows

With the help of OllyDbg, I can manually change the instruction at a certain address to another one, and right at the time the program is running.
How to do it automatically using c#?

Answer 1

See the information on the WriteProcessMemory function, but you will also have to deal with the types of memory blocks.

Answer 2

EasyHook Turn off ASLR
first , or play on XP :)