Manage VB6 Code Complexity with the State Behavior Pattern

o learn how to do something well, following in the footsteps of those that have successfully done it before can be a useful practice. Think of the age old master/apprentice system, which works well and is still used today. In medicine, for example, the chief resident can be considered a master and the intern the apprentice. This principal is especially effective—yet consistently ignored—in software development. Many developers, working in isolation with little or no budget for books, are forced to recreate what has already been created and re-learn what is already known.

Fortunately, masters are available to those programmers who will apprentice themselves. Patterns and anti-patterns are a body of work that can play the role of master. Patterns are general blueprints for solutions to known problems. These blueprints, when implemented correctly and applied to the correct kind of problem, have proved effective. Anti-patterns are the opposite: solutions that are known to fail.

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Manage VB6 Code Complexity with the State Behavior Pattern

VB6 can be prone to disorganization and the State behavior pattern is a consummate organizer. Use it proactively to prevent spaghetti code or reactively to manage code complexity.