Episode

Visual Basic Fundamentals for Absolute Beginners: (19) Understanding Modules, Scope and Utilizing Accessibility Modifiers

This lesson begins by discussing the scope of variables within code blocks, and progresses to explain how accessibility modifiers such as Public, Private and Protected are used by the .NET Framework Class Library to expose or hide implementation of their given services to consumers of that given class. This is sometimes referred to as "encapsulation". Finally, Bob explains what gives Modules their special powers.

Full course outline: