Theses

123

Programming with…

Visual Basic

Table of Contents

Variables 3

Variable Data Types 3

The Visual Basic opening screen 4

What are Labels? 5

What are Text Boxes? 6

What are Form Properties? 7

Project 1 VB is Fun 8

How to start a new project 8

How to create a Label 8

How to create a Command Button 8

How to write code 9

Saving a Visual Basic Program 10

Project The Personal Computer 11

How to create a Label 11

How to place graphic images on the form 11

How to use Copy to add two more command buttons 11

How to write code behind the buttons to move the pointer when you click any of the three buttons. 12

How to run your program to see if it all works 12

Structure Diagrams 13

Background 13

Sequence 13

Exercises 13

Project Simple Addition 14

How to create a Label 14

How to select the TextBox tool from the tool box. 15

Converting Celsius to Fahrenheit 16

Making the conversion program respond to the Enter key rather than the command button 16

Making the program more versatile 17

Formatting numbers 18

Selections and Decisions 19

Loops 20

For… Next loop 20

Positive step of one from a given number 20

Displays 1 2 3 4 5 6 20

Negative step of minus one from a given number 20

Displays 6 5 4 3 2 1 21

Positive step of plus two from a given number 21

Displays 0 2 4 6 8 10 21

Project … Exploring loops 21

Problems 22

Strings – String Functions 22

Simple programs to illustrate string functions 23

Project …Reversing a string 23

Project …Joining Strings – Concatenation 25

Project … Splitting Strings 26

Project …Word Counter 27

Visual Basic – Arrays 28

General Area 28

Printing out data from an array 29

Printing the data in reverse order 29

Carrying out a simple sequential search 29

Sorting data in an array 30

Diagram to show Sorting 31

What is Visual...