The Visual Basic .NET Integrated Development Environment

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Chapter 2

• The Visual Basic .NET Integrated Development
  Environment

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Objectives

• Customize the Visual Basic .NET integrated
  development environment
• Open a Visual Basic .NET project
• Describe the basic components of the Visual Basic
  .NET integrated development environment (IDE)
• Run a Visual Basic .NET project
• Set a property of a control
• Navigate the code window
• Modify code in an existing project
• Save a Visual Basic .NET project
• Print a Visual Basic .NET projects form and code

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Start and Customize VB .NET

• The VB.NET provides an Integrated Development
  Environment (IDE) for developing an application
• Follow the illustrations in your book to install
  and start VB.NET

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Visual Basic .NET IDE

• Menu Bar and Toolbars

• Status Bar
• Windows

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Components of a VB .NET Solution

• A solution is a grouping of projects and related
  files. Solutions can contain one project, or many
  related projects, data files, graphic files, etc.
• It has at least three files
• References provide a tree view of .NET classes
• AssemblyInfo.vb has information for VB .NET
  compiler
• Form1.vb describes how the Take-home pay
  calculator appears

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Running a Project

• When you run a project, the project is loaded
  into memory and the program code is executed by
  the .NET architecture

• Click the Start button on the Standard toolbar
• Click the Yearly salary box up arrow until 42,000
  shows
• Drag the Retirement plan contribution rate
  trackbar to 3
• Click Individual in the Insurance Plan area

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Modifying an Existing Project

• A programmer has three main tasks
• Gather information about the existing program and
  the desired modification requirements
• Modify the user interface and the code
• Test the changes to ensure that they address the
  requirements
• Modification Change from the weekly pay to a
  biweekly pay
• The text Weekly take-home pay
• The code to compute biweekly pay

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Modifying a Property of a Control

• A property is a characteristic of an object, such
  as its background color or the text

• Click the Weekly take-home pay Label control on
  the Form1 form in the main work area
• Scroll the Properties list until the Text
  property is visible
• Double-click the Text property
• Type Biweekly take-home pay and press the ENTER
  key

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Navigating the Code Window

• Click the Form1.vb tab in the main work area
• Drag the code window scroll box to the bottom of
  the code window

Note If the Form1.vb tab does not display above
the main work area, click View on the menu bar
and choose Code
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Navigating the Code Window

• Keywords are words that have special meaning
  within Visual Basic .NET and provide a vocabulary
  for the Visual Basic .NET language, such as
  private, Sub,
• A code region is a group of related lines of
  code. The sign before the start of a region
  indicates that this code is collapsed

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Modifying Code

• Drag the code window scroll box up until the code
  displays in the code window as shown
• Click to the right of the number 52 in the sixth
  code line of the fourth code region
• Press the BACKSPACE key twice to delete the
  number 52
• Type 26 and do not press the ENTER key

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Saving a Project

• Click the Form1.vb Design tab
• Click the Save All button on the Standard toolbar

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Running a Project to Test Changes

• Click the Start button on the Standard toolbar
• Click the Yearly salary box up arrow to 42,000
• Drag the contribution rate trackbar to 3
• Click Individual in the Insurance Plan area

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Program Documentation

• Documenting an application refers to producing a
  record of the design and code used to create an
  application
• Required by user
• Explain the purpose or functionalities of the
  instructions
• Make program easy to understand
• Make debugging easier

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Saving User Interface Design

• With the Take-home pay calculator project open,
  press the PRINT SCREEN key
• Click the Start button on the Windows taskbar,
  then All Programs on the Start menu
• In Accessories submenu, select Paint on the
  Accessories submenu
• In Paint window, click Edit on the menu bar
• Click Paste on the Edit menu
• Click the File menu and select Print
• Click the Print button
• Click the Close button

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Saving User Interface Design
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Documenting Code for a Form

• Click the Form1.vb tab to display the form code
• Click File on the menu bar
• Click Print on the File menu
• Click the OK button

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Getting Help in Visual Basic .NET

• Contents window displays a listing of Help topics
  arranged like a table of contents in a book
• Index window provides a navigational aid similar
  to a book index
• Search window allows you to search the Visual
  Basic .NET Help system for a specific term or
  phrase

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Getting Help in Visual Basic .NET
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Getting Help in Visual Basic .NET
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Getting Help in Visual Basic .NET

• Dynamic Help displays help for whatever task you
  are working with. As you navigate in the IDE, it
  automatically updates itself.

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Summary

• Start Visual Basic .NET
• Customize the Visual Basic .NET IDE
• Open a Visual Basic .NET project
• Basic components of the Visual Basic .NET IDE
• Run a Visual Basic .NET project
• Set a property of a control
• Navigate the code window
• Modify code in an existing project
• Save a Visual Basic .NET project
• Print a projects form and code
• Use Visual Basic .NET Help

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Homework

• Page VB 2.50, Label the Figure
• Online practice test
• VB 2.55 Problem 2 Profit Margin Calculation