And launch them in VB / C++ to see how others code things or do things.
Like download a flappy birds for VB, or a tic tac toe game for VB, or whatever else for C++ etc.
What you are looking for is called open source software. You could get some off of github or sourceforge probably.
www.github.com
What you're looking for is source code to other's programs, which you want to compile to see how they work...