How to remove a piece of code, class or method after execution?

Question

.NET

It is necessary that after the execution of a certain class, the build would encrypt this class or even remove it from the exe, so that it would not go wrong.

Answer 1

Bad idea, very bad.
I would take this secret file to the server and give the result of its work to your program.
However, you can choose utilities to obfuscate the code
https://social.msdn.microsoft.com/Forums/vstudio/e...

Answer 2

I don't know about you, but I have a folder with distributions. Therefore, if your program stops working after the first time, it can be quickly restored. This time.
Two, modification of executable files, very suspicious activity, the antivirus will beep.