MELJUN CORTES Vb.net_the Vb .Net IDE

8/8/2019 MELJUN CORTES Vb.net_the Vb .Net IDE

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Visual Basic .NET Programming

The Visual Studio

.Net IDE

Differences between VB.Net and VB6 IDE

Creating Visual Basic .NET Projects

Setting Project References

The Visual Studio .Net IDE * Property of STI Page 1 of 30

Using Development Environment Features

Debugging Applications


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There is one IDE for all .NET projects

Solutions can contain multiple

programming language

The IDE is customizable through “My

Differences between

VB.Net and VB6 IDE


ro e

The IDE has a built-in Internet browser


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Start Window

The IDE

Start Window



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Choosing a

Project Template

Visual Studio Templates



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Choosing a

Project Template

Template Use this template to create:

WindowsApplications

Standard Windows-basedapplications

Class Library

Class libraries that provide similar

functionality to Microsoft Active X


Windows

ControlLibrary

User-defined Windows control

projects

Web Control

Library

User-defined Web controls that

can be reused on Web page

Console

Application

Console application that will run

from a command line

Windows

Service

Windows services that will runcontinuously regardless of whether

a user is logged on or not


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Analyzing

Project Structures

What follows are the files contained in

every VB .Net project:

Solution files (.sｌn,。suo)

Project files (.vbproj)


Local project items (.vb)

Web project items (.aspx, .asmx, .asax)


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Creating

VB .NET Projects

Assemblies

one or more files that make up a Visual

Studio Application

key concept in .NET development


serve as building block for all .NET

applications.

Namespaces

used in .NET Framework assemblies

organize classes, interface and modulesinto a structure that is easy to understand


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Creating Windows

Application Project

File > New Project

select the Windows Application template

type a name for the project then click OK



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Setting Project

References Adding References

select the current project in Solution

Explorer then Project > Add Reference


click .NET, COM, or Projects tab

locate the required component in the list

• you may click the Browse tab to locate thefile

repeat step 3 for all the components you

require, and then OK


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Setting Project

Properties

Application Property Settings:

Assembly name

Root namespace

Application type

Startup object

Assembly Information



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Setting Project

Properties

Compile Property Settings:

Build output path

Option explicit

Option Strict



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Solution Explorer

Object Browser

Server Explorer

IDE

Features


Task List

Dynamic Help


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IDE

Features

Form Window

where the controls that make up the user

interface are placed



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IDE

Features

Code Window

where the codes for forms, events and

methods are written, displayed and

modified



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IDE

Features

Toolbox

contains the objects and controls that can

be added to Windows Forms



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IDE

Features

Component Tray

where non-visual components that do not

appear at run time are stored



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IDE

Features

Properties Window

where properties of an object selected at

design time are modified



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IDE

Features

Auto Hide

“hides” windows from the main IDE

click the Auto Hide button on the

toolbar to toggle Auto Hide on and off


Tabbed Documents

this mode adds a tab to the top of the

main window for each open document orfile

click on the tab that represents the

document to switch between open

documents


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IDE

Features Multiple Documents

MDI – Multiple Document Interface

display multiple documents simultaneously

to work in an MDI environment

• Tools > Options


• click Multiple documents on the Window

layout section

• click OK

Dockable windows

all windows within the IDE can be dockedto any edge of the IDE by dragging them to

any location


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displays project hierarchy, project

references, project items and any

subfolders that contain project items

Solution

Explorer



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“Show all Files” mode

click the Show all Files button to

display the hidden files or those marked asexcluded from the project

Mani ulatin Pro ects

Solution

Explorer


Drag-and-drop editing

Context menus


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Server

Explorer

Managing Data Connections

View > Server Explorer


Adding a connection

click Connect to Database on the

Server Explorer toolbar


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Server

Explorer

select Data Source from the Data Source

box then click the Continue button


click Browse button to select a database

file and enter the corresponding User

name and Password of the database

click Test Connection to check if the

connection was successfully done


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View > Object Browser

Object

Browser



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Using the VB .NET Object Browser, you

can:

examine objects and their members within

a library

access lower-level items

Object

Browser


examine how the .NET Framework class

libraries use inheritance in their object

hierarchies


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tasks are kept in the .suo project file so

that information are not lost when the

Visual Studio .NET is closed

View > Other Windows > Task List

Task List

Window


Adding Task List

type in the top row that is always visible to

the Task List window

build your application to automatically add

tasks to the list

create comments in the code that usespecific token strings defined in the Options

dialog box


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displays appropriate Help links to the .NET

Help files

changes topic depending on the location

of the cursor

Help > Dynamic Help

Dynamic

Help


CheckBox

selected

from the

Toolbox

Buttonselected

from the

Toolbox


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Designing VB .NET

Application

Steps in creating a program in VB .Net.

Create the interface

Set properties



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Debugging

Applications

Setting Breakpoints

Ways

• click the margin to the left of the code window

on the line containing the statement wheredebugger will halt

• Debug Debug Debug Debug > New BreakpointNew BreakpointNew BreakpointNew Breakpoint

• place the cursor on the line where you want

the debugger to halt. Press to switch the


breakpoint on and off.

Debugging Code Step Into

Step Over

Step Out


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Debugging

Applications Sample Demonstration:

create a new project

double-click the form to go to Code

window

type following code on the Private SubForm1_Load event handler:

Dim X As Integer

Dim Y As Integer

X = 10

Y = X – 5

MessageBox.Show(Y)

place the pointer on the line Y = X – 5

then press

press

place the pointer on the Y variable

press to Step into the code

close the program

MELJUN CORTES Vb.net_the Vb .Net IDE

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