You have proposed writing software that has no useful purpose, and may cause some applications to malfunction
sometimes there is a use in 'tricking' existing code that you can't change. That's not the case when you say the word arbitrary.
maybe you are planning on learning. well, maybe we could help, but remember that everything we say lives forever on the internet and that has gotten us in trouble before when people who don't plan on simply learning read and use that information. Besides if you really want to learn, help from a forum like this is counter productive - unless you have a much more specific question
I have tried to help people on this and other forums for a long time. And I will try to help you to. But I won't help you if I suspect your motives, and even less if you suspect mine