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Visual Basic .NET

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.NET Visual Basic .NET 3002- .NET Visual Basic .NET

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.................................................................. ..................................................................

............................................... 6Visual Basic 1 ..................... .......................................

.................................................................

.............................................................

................................

................................... CD-ROM ) ( ............................................. .................................................... : ............................................................. 1 : 3 .............................. Visual Basic .NET ...................................

3 ....................................................... .NET 4 ....................................... Windows 4 .......................................... DOS

7 ................................. COM

............................................... 8 10 ..................................................... .NET .NET 11 ............................ COM ......................................... 31 ........................... 31 .................................... 41 .............................. 01

................................ 11


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16 ...................................... JIT 17 ..................................... Assemblies

15 .......................... .NET Framework

............................................ 81 ................................................ 42 .............................................. 62

17 ................................. Visual Studio .NET

.................................................. 62 ............................................... 82 ............................................ 62

.......................................... 03 31 .................................. ArabicConsole

: ..................................................... 53 35 ......................................... Modules )(38 ....................................... Sub Main )(39 ........................................ Sub New

............................................. 23

.................................................... 14 ................................ 34 ...................................... 14

................................................. 84 ....................................................... 85 59 ................................... Enum

.................................................... 25 ................................................ 95

62 ............................... Structure

................................................... 76

.................................................... 96 .................................... 07


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73 ......................... Windows API ....................................................... 47 74 ............................... If Then 77 .............................. Select Case ............................................ 97 ...................................................... 18 .......................... 48 .......................................... 28

................................ 27

85 ..................... Imports 87 ................ Imports : ................................................ 98 ................................................. 98 .................................................... 49

94 .............................................. Fields 105 .................................... Properties 110 ............................................ Event ........................................ 611 96 ........................................... Methods

..................................................... 611 .................................... 911 ................................................... 321 ............................. 731 ........................................ 621 ................................................... 831

138 ......................... Shared Fields 140 ...................... Shared Methods 142 ....................... Shared Events 141 ................ Shared Properties


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: ........................................................ 741 .................................................... 741 149 ................. Visual Basic .NET ................................................. 741

.................................. 251 154 .................................. Constructors ............................................. 251

159 ........................................... Overriding ............................. 161 166 ......................................... MyBase 168 ........................................ MyClass 169 ...................................... Shadowing 173 .................. Shared Members 174 ........................ NotInheritable 174 ............................ MustInherit .................................................... 771 176 ......................... MustOverride

......................................... 751

.............................................. 471

...................... 481

................................ 181

......................................... 771

: ......................... 781 ............................................................ 781 ................................................. 091 ....................................... 691 ............................................. 291

198 ...................... .NET Framework

............................................ 791


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199 ................................... IComparable 201 ...................................... ICloneable IEnumerable 203 .............. IEnumerator ........................................ 802 ............................................................. 702

............................................. 112 ............................................. 212

StructLayout 223 ...... FieldOffset

221 .......................... Obsolete Attribute

221 ........ DebuggerStepThrough Attribute

218 ....................... Conditional Attribute

218 ..................... .NET Framework

217 ........ Visual Basic .NET

.......................................................... 712

............................................. 412

....................................... 522 : 229 .............................. .NET Framework : ............................................. 132 231 .............................................. System.Object .......... 432 232 ........................................ Object

....................................................... 632 ............................................. 242 ......................................... 932

........................................ 632

243 ........................................ CultureInfo ......................................... 642 247 ..................................... Char


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........................................................ 052 .............................................. 252 255 ............. Random Numbers ....................................... 652 254 ................................................ Math ........................................ 152

248 .......................... StringBuilder

.......................................................... 652

ICollection 270 .......................... IList

270 ............................... System.Collections

265 .................................... Array

263 ................................... Enum

271 ................................................ Stack 272 ............................................... Queue

273 ........................................... ArrayList

: .............................................. 572 ........................................................... 572 ....................................... 572 .................................................... 872 .......................................... 672

279 .................................................. Exception 280 ............... Catching Exceptions 287 ..... Custom Exceptions 284 .............. Throwing Exceptions

.......................................... 882 ........................................... 092 Exception 290 ........................... Err

288 .......................................................... Err

292 ........................... Visual Studio .NET


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................................................. 492 : ............................................ 992 ........................................ 103 299 .................................................... Directory 296 .............................. Configurations

............................................... 292

.................................. 213

.................................. 903

............................... 603

305 ....................................................... Stream

303 ........................................................... File

............................... 203

Custom Streams ......................... 413 .......................................................... 613 DirectoryInfo 317 ...................... FileInfo 316 .................................................. Path

: 321 ................. Object Serialization .......................................... 223 323 ......... Binary Serialization ............................................. 223

............................................... 132 336 .................................... ISerializable

228 .......................... Object Graph

) ( ................ 523

Custom Serialization ............................. 533 ................................................ 733

........................................... 143

340 ..................................... XmlSerializer

338 .............................................. XML


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: 349 ............................... Threading ............................................ 943 ....................... 153 ....................................... 053

.............................. 543

........................................ 453

............................................ 353

372 ................................ TLS

370 ..................... ThreadStatic Attribute

............................... 963

..................................................... 863

.................................. 463

........................... 473 377 .............................. Thread Synchronization 379 ............................. Synchronization 380 .................................. MethodImpl ................................................. 183 377 ............... SyncLock End SyncLock

383 ................................................. ThreadPool 386 ................................................... Timers 387 ........................ System.Timers.Timer 388 .................... System.Threading.Timer

: 391 .............................. Assemblies 391 ............................ Managed Modules 392 ............................................ Assemblies ..................................... 493

....................... 393

397 ........................... Strong Names

.............................. 593


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398 ............................... Configuration Files ............................................ 004 ......................................... 993

397 ..................................... Assembly

403 .... .NET Framework Configuration

...................................... 004

406 ...................................... VBC.EXE 408 .......................................... AL.EXE 412 ......................................... SN.EXE

.................................... 504

: 415 ................. Reflection Classes ............................. 514 416 ........................................... Assembly 418 ............................................. Module

413 ............................... GACUTIL.EXE

............................................ 914 419 ....................................... System.Type ........................................... 124

................................................. 224 422 .............................. MemberInfo ...................................... 624 .......................................... 524

......................................... 924

.......................................... 824

.................................................. 134 431 ............................... ReflectionExample / ...................................... 234

430 ............................................ Parameters

/ .................................. 334


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............................................. 334 ................................... 534 ................................ 634

...................................................... 534

: 439 ................................... Windows : 441 ............................ Windows Forms 442 .............................. Windows Forms .................................. 544 Form ............................. 944 ................................. 844 ...................................... 054 442 .......................... Form Designer

.......................................... 054 ............................................. 654

.............................................. 354

466 ............................ Popup-Menu ................................... 964

.............................. 564

463 ...................................................... Menus

................................... 264

461 .......................... Child Windows

460 ............................................... MDI Forms

MDI .................................... 664 ...................................................... 964

: 479 .................................... Controls

............................................. 474

470 ........................ Form Inheritance

469 .............................. Modeless


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480 .......................................... Name

................................................. 974 ........................................... 084

........................................ 784 ........................................... 884 ........................................... 984 ............................................ 094 ........................................... 984

.................................... 284

..................................................... 094 ................................................... 194 ........................................ 394 ................................................ 294

.............................................. 494 ............................................... 494

............................................... 594 497 ............................................... Label 498 ........................................... TextBox 501 .............................................. Button 501 ......................................... CheckBox 502 ............................................ ListBox 502 ...................................... RadioButton 504 ................................. CheckedListBox 505 ........................................ ComboBox 497 ......................................... LinkLabel

505 ......................................... ImageList 506 .......................................... TreeView ToolBar 509 .......................... StatusBar 508 ........................................... ListView


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510 .............................................. Splitter .............................. 015 ............................................... 515 ............................................ 415

.............................................. 725 ............................................ 825

522 ............. Visual Basic .NET

..................................... 125

520 ........................... RightToLeft

518 ................................... RightToLeft

.......................................................... 815

.............................. 725

: +531 ........................................ GDI 532 .......................................... Graphics ....................... 335 ...................................... 435 ........................................................ 135

540 ....................................... Brush

...................................................... 735

538 ......................... GraphicsPath

535 ............................................. Pen

................................................... 545 .............................................. 645 ....................................... 545

............................................... 245

............................................... 255 ................................................... 455 552 ............................................. Icons

................................ 945


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............................................. 655

............................................. 455

................................................ 755 567 ....................................... Controls 558 ..................................... StringFormat

................................................. 175 ................................ 875 ......................................... 285 587 .............................. Windows ............................................ 185 ................................................... 275

: ....................................... 175

587 .......................................... Windows

588 .............. Windows Service

............................................. 095 .............................................. 395 592 ................ System.IO.FileSystemWatcher

599 ............................................... Cursor Registry 601 ....................... RegistryKey 603 ................................................. Help 600 .......................................... SendKeys

598 ........................................ Application

.......................................................... 895

596 .................................. InstallUtil.EXE

.............................................. 595

608 ............................................ ADO.NET

: ........................................... 506 : 607 ................................. ADO.NET


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609 ........................ .NET Data Providers

.......................... 806

611 ......................................... ADO.NET .......................................... 216

612 ........................................ Connection

............................................... 316

........................................... 816

617 .......................................... Command ........................................... 816

..................................... 416

626 .......... Microsoft SQL Server : ADO.NET ......................... 926 .......................................... 726

............................................. 426

.......................................... 326

623 ........................................ DataReader

............................................. 126

620 ................................. SQL

629 ............................................. DataSet 633 ........................................... DataRow 634 ...................................... DataRelation 638 ....................................... DataAdapter ................................... 836 639 ......................... DataAdapter ........................................... 046 DataSet .................... 536 634 ....................................... DataColumn 632 .......................................... DataTable

............................................... 146


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............................................. 446

648 ............. xxxCommand ................................................. 946 651 .................................... RowUpdated ......................................... 056

......................................................... 356 ............................................. 556 ................................................. 456

: 653 ...................... XML

659 .............................. ADO.NET 660 ........................ Complex Binding

......................................... 656

662 .............................................. XML 664 ................................... XmlTextWriter 663 ................................... XmlTextReader

666 ............................... XML

ADO.NET 665 ...................................... XML

668 ............................... XML : ..................................................... 966 : 671 ................................. (1) ASP.NET 671 ........................................................... IIS 672 .......................................... IIS ................................. 576 ............................................... 376

............................................. 876 .............................................. 286 .................................... 186

677 .................................... Web Forms


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....................................... 886

............................................... 586

................................................... 096

................................... 096 ...................................... 396

690 .......................................................... Page

....................................... 396

: 701 ....................... (2) ASP.NET ASP.NET .............................. 107 701 ..................................... HttpRequest 705 ............................... HttpServerUtility 703 .................................... HttpResponse

697 ................................ Validation

696 ....................... HTML Forms Controls

695 .......................... Web Forms Controls

............................................................ 596

............................................... 496

707 ............................................... Global.asax )( xxxStart )(707 ..................... xxxEnd )(708 ................................. Global_Error ..................................... 907

706 ................................ HttpSessionState

705 .......................... HttpApplicationState

709 .................................................... Security 708 .......................... ASP.NET Forms ................................... 907 714 ............................. Login >713 .................................... -1 Visual Basic

.Visual Basic

6Visual Basic 1


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.Microsoft Microsoft .NET Visual C# .NET Visual Basic . Microsoft Visual C# .NET

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.Windows Overloading " " .

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.NET Documentation .

.NET Framework MSDN . .Microsoft -

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Serialization Threading Assemblies Windows Application Windows

.Reflection Classes

Forms Controls + GDI . Mirroring.

Custom Controls Windows ADO.NET Connected

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Mode Disconnected Mode ASP.NET ASP.NET ADO.NET .XML

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Source Codes .

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.NET Framework

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1

Visual Basic .NET 11 Visual Basic ..NET Framework ) Visual Basic for .NET Framework Visual Basic Visual Basic .NET .(.NET Framework Visual Basic .NET 41

. .NET - .NET

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.NET . DOS Microsoft .


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4 :

DOS -- Input Print .

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: Visual Basic .NET 5

Messages Click ... KeyDown. .

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1 -9: . :Code Editor

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42 :

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:View . :Project

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Configuration

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.Externals Tools -Add Ins .Add-In Manager

:Tools


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62 :

:Window ! :Help

MSDN .NET Documentation . Dynamic Help

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Toolbars Customize .Microsoft Office

Visual Basic .NET Visual Studio .NET .

Solution Projects

Solution Blank Project Files .Project Items

Solution New File New

Project . OK

Visual Studio .NET - - .sln .suo sln suo


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.

Project New File

Node Visual Basic Projects

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1 -11: Templates . Visual Basic .NET .vb

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82 :

Controls Windows Application Class Library New Projects : Visual Basic .NET User

Windows ) .(Standard Application Windows . :Class Library

:Windows Application

.DLL :Windows Control Library

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User Controls .

ASP .NET Server Clients .Browsers ASP .NET . :ASP .NET Web Service

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HTTP XML DCOM .Web Services


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:Web Control Library HTML User Controls .Browser

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:Console Application

.Visual Basic .NET

Windows Background . .

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03 :

Visual Basic .NET Notepad - .Console Application

Visual Basic .NET .

Console Application

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1Module Module )(Sub Main End Sub End Module

1 Module FirstProg Console . :

Module FirstProg )(Sub MainConsole.WriteLine("In the name of Allah the most gracious )"and the most merciful

End Sub End Module

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Module FirstProg )(Sub Main

)(Console.Read End Sub End Module

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1 -21: .

ArabicConsole

Console

ArabicConsole Console . ArabicConsole ) 1 -7( )( WriteLine . Brows ArabicConsole.DLL .


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23 :

ArabicConsole

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' ' ArabicConsole Imports ArabicConsoleProject Module FirstProg )(Sub Main ArabicConsole.WriteLine End Sub End Module

)" "(

Imports ArabicConsoleProject .

)( Read

ArabicConsole .

Compiling - - Compiler Visual Studio .NET Debug

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1 -31: .


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Release . Configuration Properties .NET .Project Property Pages

Framework microsoft.com

001 .

.Visual Basic .NET Visual Basic .NET .

.NET Visual Studio .NET


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2

.Windows

Visual Basic .NET

Visual Basic .NET Windows Forms

Windows Applications Web Windows ArabicConsole

Applications ... Windows Services Visual Basic .NET .

Visual Basic .NET . - )

...( .Visual Basic .NET

Module

Modules

FirstProg :Module


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63 : Module FirstProg )(Sub Main )" "(ArabicConsole.WriteLine End Sub End Module

) Module X

.(End Module

:Statement is not valid in a namespace ' ' Module Dim X As Integer )( Sub Test End Sub Module FirstProg End Module

-

:

Module DrawingFunctions End Module Module InternetFunctions End Module Module SystemFunctions End Module


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: 73

Identifiers ) ...( :

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Module

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' MyModule '


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83 : ' First.vb Module MyModule End Module ' Second.vb Module MyModule End Module

Namespaces. .

)(Sub Main Module )( Main :

1Module Module )(Sub Main A )" "( rabicConsole.WriteLine End Sub End Module

)( Main :1Module Module )(Sub Main )" "(ArabicConsole.WriteLine End Sub End Module

2Module Module )(Sub Main


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: 93 )" "(ArabicConsole.WriteLine End Sub End Module

)( Main ) Property Pages 2 -1(. Module )( Main Sub Main . ) ( )( Main Startup Object Project

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)(Sub New Constructor . )(New New

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04 : )" New"(ArabicConsole.WriteLine End Sub )(Sub Main )" ArabicConsole.WriteLine("Main End Sub End Module

Constructors .

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1Module Module )(Sub New )" New"(ArabicConsole.WriteLine End Sub )(Sub Main )" ArabicConsole.WriteLine("Main End Sub End Module 2Module Module )(Sub New )" "(ArabicConsole.WriteLine End Sub End Module


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: 14

. Visual Basic .NET

.

Dim As

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' Integer Dim Age As Integer ' String Dim FirstName As String Dim LastName As String

String Visual Basic .NET :

Dim Age As Integer Dim FirstName, LastName As String

: ' ' Dim FirstName, LastName As String, Age As Integer

Object :

Dim X 01 = X "01" = X ' Integer ' String


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24 :

. :Option Explicit

Option Explicit Off :Dim

Option Explicit Off 1Module Module )(Sub Main ' ' Dim " " = programmerName ) ArabicConsole.Writeline ( programmerName End Sub End Module

:

' ' ) ArabicConsole.Writeline ( programerName

Option Explicit Off Object Option Explicit Off .

.

Off Option Explicit Build

) Project Property Pages 2 -2 (.


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: 34

2 -2: Option Explicit On .Off

Visibility Scope X )(1 MySub :

)( 1Sub MySub Dim X As Integer 02 = X End Sub )( 2Sub MySub X ' )ArabicConsole.WriteLine (X End Sub

Lifetime

X 02 )(1 .MySub Visual Basic .NET :


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44 :

: Dynamic Local Variables . . Dim .

Microsoft .NET smallCase

small .Capital:

Dim programmerName As String Dim userID as Integer Dim employeeSalary As Decimal

Block level Variables ) Block For Next If Then Do Loop(. . y :For Next

Dim counter As Integer 01 For counter = 1 To Dim y as integer Next

- :

Dim x As Integer If x = 0 Then Dim y As Integer End If x = y '


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: 54

:

Dim a As Integer Do Dim a as integer Loop '

Visual Basic .NET

:

' Dim x As Integer If x = 0 Then Dim x As String End If Do Dim x As Long Loop ' '

x

2 For counter :

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64 :

:1 2 3 4 5 6 7 8 9

: Static Local Variables Static Dim :

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Static staticVariable As Integer

.

:

)( Sub Counter Static counter As Integer 1 + counter = counter End Sub )( Sub PrintData Static isPrinting As Boolean If isPrinting Then Exit Sub Else isPrinting = True End If End Sub


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: 74

Static

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Private Dim

1Module Module ' Dim x As Integer Private y As Integer )(Sub Main 05 = x End Sub )( Sub Test 01 = y End Sub End Module

. Public :

Global Variables

1Module Module Public x As Integer )(Sub Main 5 = x End Sub End Module

'


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84 : ' 2Module Module )(Sub Test 1 = x End Sub End Module

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Friend Public . Friend .

.NET PascalCase

smallCase : ' '

Public ProgrammerName As String Friend ClientAge As Integer Dim programmerName As String Private clientAge As Integer

.

) .... Date Long Integer String( - :

Visual Basic .NET Classes Structures ( : Object

) BCL .NET Framework


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: 94

. Byte . ) Visual Basic .NET - (

.

Primitive Data Types :Visual Basic .NET 2 1 8 2 Boolean Byte Char Date

) True( ) False(. .UNICODE 0 552.

00:00:0 95:95:11 9999.

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746,384,741,2.


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05 :

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Char

String

. Char

Value Type Variables String .Reference Type Variables .


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: 15

: - - Visual Basic .NET Object

Basic .NET : Value Type Variables

. - Visual Reference Type Variables .Value Type Variables

) System.ValueType

(. ) Stack ( .

Numbers Char Boolean Date Reference Type Structures Enums .Value Type

) Pointer ( Garbage Collection .NET : ' '

Managed Heap

" " = Dim Name As String 99 = Dim Age As Integer

:


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25 :

2 -3: . .

String Arrays

Classes .Reference Type

.

.

"="

:


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: 35 01 = Dim X As Integer Dim Y As Integer Dim Z As Long 02 = Y 03 = Z '

:

' 03 = Dim X As Integer, Y As Integer = 20, Z As Long ' 03 = Dim X, Y As Integer = 20, Z As Long

: ' 652 = Dim X As Byte

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: Visual Basic .NET ' ' 01 =+ Dim X As Integer 02 =^ Dim Y As Long


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45 :

Value Type .Reference Type

) Managed

.(Heap ) 2 -4(:

' " " = Dim Name As String Dim Name2 As String = Name ' 99 = Dim Age As Integer Dim Age2 As Integer = Age

2 -4: . ) 2 -4( ) Name 2 (Name

Managed Heap

) Age 2 (Age .


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: 55

) (Stack 4 .

. ( ) (Double :

:Option Strict

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9999.3 = Dim A As Single Dim B As Double = A )ArabicConsole.WriteLine(A )ArabicConsole.WriteLine(B 9999.3 ' 9999.3 '

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Single

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Visual Basic .NET Single .Double Narrowing .(Single : Long Integer Short ... Byte.

Conversion ) (Double )


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65 :

Option Strict On Visual Basic .NET Option Strict On:

) (Bugs

' Option Strict On 1Module Module )(Sub Main 1 = Dim A As Double Dim B As Single A = B B = A End Sub End Module ' '

Option Strict - - - Project Property Pages ) Option Explicit 2-2 34(.

Option Strict

... Boolean Date String:

' Option Strict Off ' Dim A As String Dim B As Boolean "A = "True B = A


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: 75

\

/ ^ :Double ' ' Option Strict On Dim X As Integer 2 / 01 = X 3 ^ 2 = X

Option Strict On

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' ' Option Strict On 2.3 = Dim X As Double )Dim Y As Integer = CInt(X

: Boolean Byte Char Date Double Decimal Integer Long Object Short Single String CBool CByte CChar CDate CDbl CDec CInt CLng CObj CShort CSng CStr


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85 :

Option Strict On

Value Type -Reference Type .

Integer :Double

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' Integer ' Double

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Long " "S Short " "D Decimal " "F Single

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Dim X As Long Dim Y As Long 001 = X Y = 100L

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) EXE(. Const :

" " = Const PROGRAMMER_NAME ' )ArabicConsole.WriteLine(PROGRAMMER_NAME


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: 95

Option

:Strict On

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Visual Basic .NET. Enums Structures .

Enums .Enumeration Enum


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06 :

Module

.Structure :

Enum Day Saturday Sunday Monday Tuesday Wednesday Thursday Friday End Enum

:Dim x As Day Dim y As Day x = Day.Friday y = x

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Enums :)Sub ShowDay(ByVal CurrentDay As Day If CurrentDay = Day.Friday Then )""(ArabicConsole.WriteLine End If End Sub

:


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: 16 Dim X As Day X = Day.Friday )ShowDay(X )ShowDay(Day.Friday

0 :Enum Day 01 = Saturday 02 = Sunday Monday Tuesday Wednesday Thursday Friday End Enum

. Monday 12 Integer

Tuesday 22 ... .

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:

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:


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26 : 1Module Module ' Enum GlobalEnum 1Enum 2Enum End Enum ' 2Public Enum GlobalEnum 1Enum 2Enum End Enum ' Private Enum PrivateEnum 1Enum 2Enum End Enum End Module

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Friend

Public .

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Structures


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: 63 Structure Person Dim Name As String Dim Age As Integer End Structure

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:

Dim Turki2 As Person Turki2 = Turki ArabicConsole.WriteLine(Turki2.Name) ' ArabicConsole.WriteLine(Turki2.Age) ' 99

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Structure Person Structure AddressStruct Dim City As String Dim Countrey As String End Structure Dim Name As String Dim Age As Integer Dim Address As AddressStruct End Structure

:


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46 : Dim Turki As Person " " = Turki.Name 99 = Turki.Age "" = Turki.Address.City " " = Turki.Address.Countrey

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.

)

( Constructers .Structures ! !


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: 56

.

)( Sub New .

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' Dim Turki As Person


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66 :

)( Sub New ) ( . New :

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: 76

! Structure

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86 :

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"=". )(:Clone


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: 96 } ,3 ,2 ,1{ = Dim X () As Integer Dim Y () As Integer X ' Y )(Y = X.Clone

)( UBound

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07 :

Parameters :

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: 17 ' )Sub swapByRef(ByRef a As Integer, ByRef b As Integer Dim temp As Integer temp = a a = b b = temp End Sub

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. . - . Reference Type Variables .ByVal


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27 :

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( :

:ParamArray

:


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: 73 Function Sum(ByVal ParamArray Nums() As Integer) As Integer Dim counter As Integer For counter = 0 To UBound(Nums) Sum += Nums(counter) Next End Function

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47 :

. If Then Select Case .Visual Basic .NET

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End If :


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: 57 If X = 0 Then If Y = 0 Then 001 = X End If Else 1 = Y End If

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If x > 0 And t < 1 Then End If If Not Y > 1 Then


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67 :

:If X 0 And 10 \ X = 2 Then

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X ) False(. And AndAlso :If X 0 AndAlso 10 \ X = 2 Then

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: 77

AndAlso : ' ' True And True = True If x AndAlso y Then

And : ' )' 0011 And 1100 = 0000 (False If x And y Then

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If X = 1 Then ElseIf X = 2 Then ElseIf X = 3 Then Else End If

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)""( )""(

)" "( )" "(


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78 :

Select Case

:

Dim Grade As Integer Select Case Grade Case Is < 60 ArabicConsole.WriteLine Case 60 To 69 ArabicConsole.WriteLine Case 70 To 79 ArabicConsole.WriteLine Case 80 To 89 ArabicConsole.WriteLine Case Is >= 90 ArabicConsole.WriteLine End Select

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: Or Select Case True Case x > 0, Y < 0 ' ' If (X > 0) Or (Y < 0) End Select


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: 97 Select Case False 0 < Case x > 0, Y ' ) )0 < ' If ( Not (X > 0) ) Or ( Not (Y End Select

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08 : 05 For counter = 1 To If y = 10 Then Exit For End If Next

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: 18

.Exit Do For Next :Do Loop

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Structure Mouse End Structure


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28 :

- - .Mouse .

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2 -5: . - - . Namespace :End Namespace

Namespace Devices End Namespace


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: 38

Classes Modules Structures Interfaces Enumd :

Namespace Devices Structure Mouse End Structure Structure Printer End Structure End Namespace Namespace Animals Structure Mouse End Structure Structure Cat End Structure End Namespace

Classes Interfaces . Modules - Enums Structures .


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48 :

:NestedNamespace Devices Namespace Inputs Structure Mouse End Structure Structure Keyboard End Structure End Namespace Namespace Outputs Structure Monitor End Structure Structure Printer End Structure End Namespace End Namespace

:Dim X As Animals.Mouse Dim Y As Devices.Mouse

Structures:


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: 58 Dim X As Devices.OutPuts.Printer Dim Y As Devices.OutPuts.Screen Dim Z As Devices.Inputs.Keyboard

) ( ' Devices.Inputs Dim X As Keyboard Dim Y As Mouse ' Dim Z As OutPuts.Printer

:

Imports :

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Devices :ImportsImports MyNameSpace.Devices Dim X As OutPuts.Printer Dim Y As OutPuts.Screen Dim Z As Inputs.Keyboard

:Imports MyNameSpace.Devices.OutPuts Imports MyNameSpace.Devices.Inputs Dim X As Printer Dim Y As Screen Dim Z As Keyboard


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68 :

Imports ) (. MyNameSpace .

:

Imports MyNameSpace.Animals Imports MyNameSpace.Devices.Inputs Dim X As Mouse

Mouse . :

Imports MyNameSpace.Animals Imports tmp = MyNameSpace.Devices.Inputs Dim X As Mouse Dim Y As tmp.Mouse

) .NET

(Framework ) Solution Explorer 2 -6 (.


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: 78

2 -6: .

Imports ) (Imports Imports ) Project Property Pages 2 -7(.

2 -7: .Imports


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88 :

Imports .

.Visual Basic .NET

Delegates .

Inheritance Interfaces Attributes

.


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3

OOP Visual Basic Visual Basic .NET ! Visual Basic .NET OOP OOP

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Class :Structure


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09 : Class Person Dim Name As String Dim Age As Integer End Class

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) Sub (Function

Public :' Public

Class Person )( Sub PublicMethod End Sub )( 2Public Sub PublicMethod End Sub

' Public


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: 19 )( Friend Sub FriendMethod End Sub )( Private Sub PrivateMethod End Sub End Class ' Friend

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29 :

New :

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: 39

Friend Private Public Protected .Protected Friend . ) (!

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49 :

Public Friend camelCase

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Class SimpleClass Public Field1 As String Freind Field2 As Integer Dim field3 As Double Dim field4 As Boolean Private field5 As PersonClass End Class

Structure :Class SimpleClass " " = Public Field1 As String 99 = Freind Field2 As Integer End Class


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: 59

) LIFO :(FIFO

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) (

:

Class ArrayClass Public X() As Integer Public Y(9) As Integer End Class

ReDim :


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69 : )(Dim ArrayObject As New ArrayClass ' 001 = )0(ArrayObject.X 002 = )1(ArrayObject.X ' )99(ReDim ArrayObject.Y 01 = )0(ArrayObject.Y 02 = )1(ArrayObject.Y

ReadOnly :

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Fields Methods

Methods

) Subs (Functions.

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.

:


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: 79 Class PersonRecord Public Name As String Public Age As Integer Public Address As String _ ,Sub SetValues(ByVal PersonName As String )ByVal PersonAge As Integer, ByVal PersonAddress As String Name = PersonName Age = PersonAge Address = PersonAddress End Sub End Class

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Structures

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Class TestClass )(Sub Method Static X As Integer End Sub End Class Structure TestStructure )(Sub Method Static X As Integer End Sub End Structure

'

'


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89 :

.NET PascalCase

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:

Class SimpleClass ' SameName ' )(Sub SameName End Sub )Sub SameName(ByVal X As Integer End Sub )Sub SameName(ByVal Y As String End Sub End Class

)( SameName :

)Sub SameName(ByVal X As String End Sub ' )Sub SameName(ByVal Y As String End Sub


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: 99

) ByRef (ByVal :

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001 : )Overloads Sub SameName(ByVal X As String End Sub )Overloads Sub SameName(ByVal X As Integer End Sub

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.

:


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: 101 )(Dim TestObject As New TestClass "001" = Dim A As String ' ' ))TestObject.SameName(CInt(A

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) String (Integer


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201 :

Open :

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' ' '


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: 301

Parameters .

) ( :

Class PersonClass Public FirstName As String Public LastName As String ' )Sub New(ByVal firstN As String, ByVal lastN As String FirstName = firstN LastName = lastN End Sub End Class

:

' )(Dim TestObject As New PersonClass ' )"" ,""(Dim TestObject As New PersonClass

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401 : ' ' Class PersonClass )(Sub New End Sub )Sub New(ByVal firstN As String, ByVal lastN As String FirstName = firstN LastName = lastN End Sub End Class

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'

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) Me Me (:

Class TestClass )(Sub New ' )001(Me.New End Sub )Sub New(ByVal X As Integer End Sub End Class


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: 501

)( Sub New ) Sub New(X As Integer Visual Basic .NET .

:ReadOnly

Class TestClass 1- = Public ReadOnly X As Integer )(Sub New 001 = X End Sub End Class '

Properties Properties Fields Methods . Methods

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Get Set Private :

' Private m_BirthDate As Date Property BirthDate() As Date Get Return m_BirthDate End Get


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601 : ' Value Date ' ByVal )Set(ByVal Value As Date m_BirthDate = Value End Set End Property

:

)(Dim Turki As New PersonClass #3091/1/1# = Turki.BirthDate )ArabicConsole.WriteLine(Turki.BirthDate

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Age )

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) ( :

WriteOnly Get


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: 107 WriteOnly Property Password() As String Set(ByVal Value As String) m_Password = Value End Set End Property

Parameters

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Private m_Address(2) As String Property Address(ByVal index As Integer) As String Get If index >= 0 And index = 0 And index )" "()" "()", Tested:=False "=:", TesterName "()", Tested:=True "=:", TesterName "( s 1- Case )"2ArabicConsole.WriteLine("s1 < s End Select

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: 342

) ( .

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LCID


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442 : .NET Framework

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: 542

. . .

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)"Dim KSA As New CultureInfo("ar-SA 1 ' )"", ""(ArabicConsole.WriteLine(String.Compare 0 ' _ ,"", ""(ArabicConsole.WriteLine(KSA.CompareInfo.Compare ))CompareOptions.IgnoreSymbols

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: 742

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: 942

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X Y Z w

As As As As

4321.001 = Single 9999999 = Integer 1.0 = Double 0000000000051 = Long ' ' ' ' 1.0010 999,999,9 % 0.01 01+150 E

))"#.0000"(ArabicConsole.WriteLine(X.ToString ))"###,###,###"(ArabicConsole.WriteLine(Y.ToString ))"% 0.##"(ArabicConsole.WriteLine(Z.ToString ))"0+ArabicConsole.WriteLine(w.ToString("### E

) (:

987654321 = Dim MyDouble As Double ' Currency .. 00.987,654,321 ' ))"ArabicConsole.WriteLine(MyDouble.ToString("C ' Scientific 800+ArabicConsole.WriteLine(MyDouble.ToString("E")) ' 1.234568E


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: 253 ' Percent ArabicConsole.WriteLine(MyDouble.ToString("P")) ' 12,345,678,900.00% ' Number ArabicConsole.WriteLine(MyDouble.ToString("N")) ' 123,456,789.00 ' Fixed-point ArabicConsole.WriteLine(MyDouble.ToString("F")) ' 123456789.00

NumberFormat :(

)ToString() CultureInfo

Imports System.Globalization Dim Germany As New CultureInfo("de-DE") Dim MyDouble As Double = 123456789 With Germany ' 123.456.789,00 ArabicConsole.WriteLine(MyDouble.ToString("C", ' 1,234568E+008 ArabicConsole.WriteLine(MyDouble.ToString("E", ' 12,345,678,900.00% ArabicConsole.WriteLine(MyDouble.ToString("P", ' 123.456.789,00 ArabicConsole.WriteLine(MyDouble.ToString("N", ' 123456789,00 ArabicConsole.WriteLine(MyDouble.ToString("F", End With

.NumberFormat)) .NumberFormat)) .NumberFormat)) .NumberFormat)) .NumberFormat))

NumberFormat

NumberFormatInfo :

Imports System.Globalization Dim Custom As New NumberFormatInfo() Dim X As Double = -12345.6789 ' Custom.NumberDecimalSeparator = ";" ' Custom.NegativeSign = "*" ArabicConsole.WriteLine(X.ToString("", Custom)) ' *12345;6789


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Microsoft.VisualBasic.Math

Math

Microsoft.VisualBasic :

Imports Microsoft.VisualBasic

)(01 Log )( Sign 1 1 0 :01 '

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