Question Change one hex value to another

[Untamed]

I am trying to make a program that checks a certain process and changes one hex value to another.
I want it to work a tad like some of those memory editors out there [art money, cheat engine, etc]... where it works only when the program is open, and it goes back to normal if you close and open the program again.
Any help is greatly appreciated, thanks.

 

[Robert_Zenz]

Hello.

I'm not completely sure, but I think this can't be done in .NET (or at least not without many API calls). The thing is, trying to write into protected memory with .NET is like trying to break into jail...from another jail.

Bobby