This project running CLR (.net framework) v4.0.30319 from encrypt file. That protect your source code in file (but not protect from ram)
To encrypt:
ExecuteFromRam.exe -e WpfApp.exe
It create .encrypt file.
To run:
ExecuteFromRam.exe it will find first file .encrypt and run it
or
ExecuteFromRam.exe -r WpfApp.exe.encrypt
Change your AES key/salt and remove encrypt for release.