>>C/S = Client/Server
>>OOP has the ability to make changes in one place and have them reflected throughout the application via inheritance.
>---
>Is inheritance the only plus with OOP?

No. There are a few other things that must be present. Polymorphism, etc. But, lack of in heritance is the biggest thing that is lacking in VB that makes in non-OOP. If you need more info on OOP, you should look at www.microsoft.com/vfoxpro and at MS KB article Q141304.