Visual Basic 'Net AAPP00832

1
Visual Basic .NetAAPP008-3-2

• Introduction to Visual Basic .NET
• Lecture 3

2
Topic Structure of Lesson

• Visual Basic .NET
• How to access Visual Basic .NET
• Creating a Windows application
• Overview of various interfaces in the development
  environment

3
Learning Outcomes

• By the end of this lesson you should
• be able to
• Recognize the main features in the Visual Basic
  .NET Integrated Development Environment (IDE)
• Describe some of the different types of
  components contained in the toolbox
• Create, compile and execute simple Visual Basic
  .NET programs

4
Key Terms you must be able to use

• If you have mastered this topic, you should be
  able to use the following terms correctly in your
  assignments and exams
• Integrated Development Environment (IDE)
• Toolbox
• Designer View
• Solution Explorer
• Properties Window

5
Visual Basic .NET

• Visual Basic .NET 2008
• Modern object-oriented programming language for
  development
• Designed specifically for the .NET Framework

6
Starting Visual Basic .NET

• Click on Start -gt Programs -gt Microsoft Visual
  Studio 2008 -gt Microsoft Visual Studio 2008
  (default location)

7
Starting Visual Basic .NET

• Once Visual Studio has started, select File -gt
  New -gt Project

8
Starting Visual Basic .NET

• Select Visual Basic -gt Windows Application -gt OK

9
Integrated Development Environment (IDE)

• The development environment consists of several
  useful visual components.

Designer View
Solution Explorer
Toolbox
Properties Window
10
Toolbox

• Contains a list of all the components available
  to the user when creating the user interface of
  an application
• If the toolbox is not visible, select View -gt
  Toolbox

11
Designer View

• WYSIWYG (What You See Is What You Get) interface
  of the designed application
• Components selected from Toolbox, then drawn
  here

12
Solution Explorer

• Allows users to view and manage (i.e. add,
  rename, delete) their projects and associated
  files.

13
Properties Window

• Allows user to view and edit the various
  properties/behaviors that are associated with a
  selected component in the Designer view.

14
Creating A Simple Application

• From the Toolbox, click on Label
• In the Designer View, click anywhere within area.
• A label will be created with the default text
  Label1.

15
Creating A Simple Application

• Change the text from Label1 to Hello World!.
• Make sure the label is selected
• In the properties window, look for Text in the
  left column, and change its value in the right
  column to Hello World!

16
Testing Application

• To test the application, click on the
• PLAY button. To stop, click on the x at
  the upper right corner

17
Quick Review

• When the application is run, the title of the
  program is shown as Form1. Change this to My
  First Program.
• Change the font size of the label to 16 and its
  font color to red.

18
Retrieving your VB Program

• VB .Net stores you program in a folder called
  Visual Studio 2008, usually in the My Documents
  folder
• Open VB .Net and retrieve your solution with the
  following
• File/OpenProject/MyDocuments/
• VisualStudio2008/Projects/name/name.sln

19
Summary of Main Teaching Points

• What is Visual Basic .NET 2005
• How to access Visual Basic .NET
• Overview of various interfaces in the Integrated
  Development Environment (IDE)
• Creating a simple windows application

20
Next Session

• Developing a VB .NET program
• Operators
• Event procedures
• I/O boxes

21
Question and Answer Session

• Q A