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ADVANCED PROGRAMMING
Visual Basic
History of Visual Basic
Originated from BASIC – designed to be user friendly.
Visual Basic 1.0 released for Windows in 1991
Version 4.0 was the first to create 16 bit and 32 bit programs
Version 5.0 went exclusively 32 bitVersion 6.0 enhanced the ability to make web
based programsVersion 9.0 (What we are running)
Languages based on VB
Visual Basic Applications (VBA) – used for many office applications
VB Script – Is the default language for Active Server Pages. Although it resembles VB in syntax, it is a separate language and it is executed by vbscript.dll as opposed to the VB runtime.
Visual Basic . NET - .NET has been dropped. More powerful than the original Better incorporates modern object oriented
programming
Object Oriented Programming
Objects are a way of organizing your program.
Objects give your code structure; they are like the chapters and sections of your book.
Message is sent to an object telling it to do something.
Design Process
Create the projectDesign the user interface (controls)Write the code (create events)Test the codeDistribute the application
How to Get Around
Integrated Development Environment (IDE)Design Mode:
How to Get Around
Code View:
Controls
Things like buttons, textboxes, and labels are all things that you can add to your Forms. They are know as Controls, and are kept in the Toolbox for ease of use.