You quitting your degree is entirely on you, and nothing other than that.
If it was purely based around Visual Basic, I believe it'd be more of a "year-long introductory."
You may have signed up for the wrong class(es) if that's not what you wanted.
Always learn what you want to do first before going into college.

Do you want to program any types of software?
-Check out Computer Science majors.
Do you want to program security and networks?
-Check out Computer Assurance
Do you want to program games and entertainment?
-Check out Computer Science majors with a focus of Game Design.

Typically if you sign up for classes, the classes will have an outline before you apply. Make sure to read exactly what the courses will be focused on, and act accordingly.
The average person changes their major 3 times during college.. If your class wasn't right for you, go elsewhere and/or try a new, and more relevant to you, class.