Tuesday, January 29, 2013

Introduction to Visual Basic | Visual Basic 01

Hi guys, I have decided to write the visual basic lessons again. Lets start from the begining. 

A brief description of Visual Basic

VISUAL BASIC® is a high level programming language evolved from the earlier DOS
version called BASIC. BASIC stands for Beginners' All-purpose Symbolic Instruction
Code. The program codes in Visual Basic resemble the English language. Different
software companies produce different versions of BASIC, such as Microsoft®
Visual Basic is a fairly easy programming language and it is for anybody who is
interested in programming but lacks professional training in software engineering.
Learning VISUAL BASIC will help young children to improve their logical thinking
skills and develop their minds. You can choose to program in VISUAL BASIC purely
for fun and enjoyment or create more advanced applications such as educational
courseware and commercial software.
VISUAL BASIC is a visual and events driven programming Language. These are the
main divergences from the old BASIC. In BASIC, programming is done in a textbased
environment and the program is executed sequentially. In VISUAL BASIC,
programming is done in a graphical environment. In old BASIC, you have to write a
text-based procedure to design the interface, but Visual Basic enables you to design
the interface by dragging and resizing the objects as well as changing their colors,
just like any windowsĂ’-based programs.
Visual Basic is event-driven because users may click on a certain object randomly,
so each object has to be programmed independently to be able to response to those
actions (events). Examples of events are clicking a command button, entering text
into a text box, selecting an item in a list box etc. Therefore, a VISUAL BASIC
Program is made up of many subprograms, each with its own program code which
can be executed independently and at the same time can be linked together in one
way or another.

Lets talk about Visual Basic environment in the next post. Good bye.


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