Decompiladores

1. PONTIFICIA UIVERSIDAD CATÓLICA DEL ECUADOR
SEDE IBARRA
ESCUELA DE INGENIERÍA
Nombre: Steven Tabango
INSTALACIÓN DE Vb Decompiler lite v7.8
Ejecutamos el instalador de la aplicación y seguimos las instrucciones del asistente.
Aceptamos la licencia

2. Se especifica la ruta donde se instalará
Seleccionamos el lenguaje de la aplicación

3. Procedemos a instalar la aplicación en nuestra PC
Esperamos 1-2 minutos mientras termina la instalación

4. Iniciamos la aplicación
VENTANA PRINCIPAL DE LA VB DECOMPILER

5. INSTALACION DE ILSPY
Descargamos el software desde la página de ILSpy.

6. Se descargará un archivo RAR, el cual descomprimiremos en nuestro ordenador.
Abrimos la aplicación

7. Ventana principal de ILSpy
APLICACIONES
PROGRAMA: Calculadora
DECOMPILADOR: VB Decompiler Lite v9.9

8. CÓDIGO FUENTE
VERSION 5.00
Begin VB.Form Form1
Caption = "Calculadora by marco"
ScaleMode = 1
AutoRedraw = False
FontTransparent = True
BorderStyle = 4 'Fixed ToolWindow
'Icon = n/a
LinkTopic = "Form1"
MaxButton = 0 'False
MinButton = 0 'False
ClientLeft = 45
ClientTop = 285
ClientWidth = 3975
ClientHeight = 3195
ShowInTaskbar = 0 'False
StartUpPosition = 3 'Windows Default
Begin CommandButton salir
Caption = "Salir"
Left = 2160
Top = 2520
Width = 1695
Height = 495
TabIndex = 11
End
Begin CommandButton new
Caption = "Nuevo calculo"
Left = 120
Top = 2520
Width = 1695
Height = 495
TabIndex = 10
End
Begin CommandButton dividir
Caption = "/"
Left = 3240
Top = 1800
Width = 615
Height = 495
TabIndex = 9
BeginProperty Font
Name = "MS Sans Serif"
Size = 13,5
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False

9. EndProperty
End
Begin CommandButton por
Caption = "x"
Left = 2160
Top = 1800
Width = 615
Height = 495
TabIndex = 8
BeginProperty Font
Name = "MS Sans Serif"
Size = 13,5
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
End
Begin CommandButton restar
Caption = "-"
Left = 1200
Top = 1800
Width = 615
Height = 495
TabIndex = 7
BeginProperty Font
Name = "MS Sans Serif"
Size = 13,5
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
End
Begin CommandButton sumar
Caption = "+"
Left = 120
Top = 1800
Width = 615
Height = 495
TabIndex = 6
BeginProperty Font
Name = "MS Sans Serif"
Size = 13,5
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty

10. End
Begin TextBox res
Left = 1680
Top = 1080
Width = 1215
Height = 405
TabIndex = 5
BeginProperty Font
Name = "MS Sans Serif"
Size = 9,75
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
End
Begin TextBox can2
Left = 1680
Top = 600
Width = 1215
Height = 405
TabIndex = 4
BeginProperty Font
Name = "MS Sans Serif"
Size = 9,75
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
End
Begin TextBox can1
Left = 1680
Top = 120
Width = 1215
Height = 405
TabIndex = 3
BeginProperty Font
Name = "MS Sans Serif"
Size = 9,75
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
End
Begin Label Label3
Caption = "Resultado"
Left = 240

11. Top = 1200
Width = 1095
Height = 255
TabIndex = 2
BeginProperty Font
Name = "MS Sans Serif"
Size = 9,75
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
End
Begin Label Label2
Caption = "Cantidad2"
Left = 240
Top = 720
Width = 1095
Height = 615
TabIndex = 1
BeginProperty Font
Name = "MS Sans Serif"
Size = 9,75
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
End
Begin Label Label1
Caption = "Cantidad1"
Left = 240
Top = 240
Width = 1215
Height = 495
TabIndex = 0
BeginProperty Font
Name = "MS Sans Serif"
Size = 9,75
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
End
End
Attribute VB_Name = "Form1"

12. PROGRAMA: Multiplicación con Matrices
DECOMPILADOR: VB Decompiler Lite v9.9
VERSION 5.00
Begin VB.Form OPERACIONES
BackColor = &H80000003&
Caption = "OPERACIONES CON MATRICES 3*3"
ClientHeight = 5325
ClientLeft = 60
ClientTop = 420
ClientWidth = 8250
LinkTopic = "OPERACIONES MATRICES"
ScaleHeight = 5325
ScaleWidth = 8250
StartUpPosition = 3 'Windows Default
Begin VB.CommandButton Command4
Caption = "LIMPIAR"
BeginProperty Font
Name = "MS Sans Serif"
Size = 9.75
Charset = 0
Weight = 700

13. Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 5640
TabIndex = 35
Top = 3360
Width = 2055
End
Begin VB.CommandButton SALIR
Caption = "SALIR"
BeginProperty Font
Name = "MS Sans Serif"
Size = 9.75
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 600
TabIndex = 33
Top = 3360
Width = 1935
End
Begin VB.CommandButton Command3
Caption = "-"
BeginProperty Font
Name = "MS Sans Serif"
Size = 18
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 5040
TabIndex = 32
Top = 1560
Width = 735
End
Begin VB.CommandButton Command2
Caption = "X"
BeginProperty Font
Name = "MS Sans Serif"
Size = 12
Charset = 0
Weight = 700
Underline = 0 'False

14. Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 5040
TabIndex = 31
Top = 2040
Width = 735
End
Begin VB.CommandButton Command1
Caption = "+"
BeginProperty Font
Name = "MS Sans Serif"
Size = 18
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 5040
TabIndex = 30
Top = 1080
Width = 735
End
Begin VB.TextBox C13
Height = 375
Left = 7440
TabIndex = 28
Top = 1080
Width = 495
End
Begin VB.TextBox C21
Height = 375
Left = 6120
TabIndex = 27
Top = 1560
Width = 495
End
Begin VB.TextBox C22
Height = 375
Left = 6840
TabIndex = 26
Top = 1560
Width = 495
End
Begin VB.TextBox C31
Height = 375
Left = 6120
TabIndex = 25
Top = 2040

15. Width = 495
End
Begin VB.TextBox C32
Height = 375
Left = 6840
TabIndex = 24
Top = 2040
Width = 495
End
Begin VB.TextBox C33
Height = 375
Left = 7440
TabIndex = 23
Top = 2040
Width = 495
End
Begin VB.TextBox C12
Height = 375
Left = 6840
TabIndex = 22
Top = 1080
Width = 495
End
Begin VB.TextBox C11
Height = 375
Left = 6120
TabIndex = 21
Top = 1080
Width = 495
End
Begin VB.TextBox C23
Height = 375
Left = 7440
TabIndex = 20
Top = 1560
Width = 495
End
Begin VB.TextBox B13
Height = 375
Left = 4200
TabIndex = 18
Top = 1080
Width = 495
End
Begin VB.TextBox B21
Height = 375
Left = 2880
TabIndex = 17
Top = 1560
Width = 495
End
Begin VB.TextBox B22

16. Height = 375
Left = 3600
TabIndex = 16
Top = 1560
Width = 495
End
Begin VB.TextBox B31
Height = 375
Left = 2880
TabIndex = 15
Top = 2040
Width = 495
End
Begin VB.TextBox B23
Height = 375
Left = 4200
TabIndex = 14
Top = 1560
Width = 495
End
Begin VB.TextBox B33
Height = 375
Left = 4200
TabIndex = 13
Top = 2040
Width = 495
End
Begin VB.TextBox A12
Height = 375
Left = 1320
TabIndex = 12
Top = 1080
Width = 495
End
Begin VB.TextBox B12
Height = 375
Left = 3600
TabIndex = 11
Top = 1080
Width = 495
End
Begin VB.TextBox B11
Height = 375
Left = 2880
TabIndex = 10
Top = 1080
Width = 495
End
Begin VB.TextBox A13
Height = 375
Left = 2040
TabIndex = 8

17. Top = 1080
Width = 495
End
Begin VB.TextBox A21
Height = 375
Left = 600
TabIndex = 7
Top = 1560
Width = 495
End
Begin VB.TextBox A22
Height = 375
Left = 1320
TabIndex = 6
Top = 1560
Width = 495
End
Begin VB.TextBox A23
Height = 375
Left = 2040
TabIndex = 5
Top = 1560
Width = 495
End
Begin VB.TextBox A31
Height = 375
Left = 600
TabIndex = 4
Top = 2040
Width = 495
End
Begin VB.TextBox A32
Height = 375
Left = 1320
TabIndex = 3
Top = 2040
Width = 495
End
Begin VB.TextBox A33
Height = 375
Left = 2040
TabIndex = 2
Top = 2040
Width = 495
End
Begin VB.TextBox B32
Height = 375
Left = 3600
TabIndex = 1
Top = 2040
Width = 495
End

18. Begin VB.TextBox A11
Height = 375
Left = 600
TabIndex = 0
Top = 1080
Width = 495
End
Begin VB.Image Image1
Enabled = 0 'False
Height = 1485
Left = 2880
Picture = "OPERACIONES CON MATRICES.frx":0000
Stretch = -1 'True
Top = 2760
Width = 2400
End
Begin VB.Line Line4
X1 = 120
X2 = 8160
Y1 = 5280
Y2 = 5280
End
Begin VB.Line Line3
X1 = 8160
X2 = 8160
Y1 = 5280
Y2 = 120
End
Begin VB.Line Line2
BorderColor = &H80000006&
X1 = 120
X2 = 8160
Y1 = 120
Y2 = 120
End
Begin VB.Line Line1
X1 = 120
X2 = 120
Y1 = 120
Y2 = 5280
End
Begin VB.Label Label4
BackColor = &H80000003&
Caption = $"OPERACIONES CON MATRICES.frx":3262
BeginProperty Font
Name = "Comic Sans MS"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False

19. EndProperty
ForeColor = &H00000040&
Height = 855
Left = 480
TabIndex = 34
Top = 4440
Width = 7575
End
Begin VB.Label Label3
BackColor = &H80000003&
Caption = "RESULTADO"
BeginProperty Font
Name = "MS Sans Serif"
Size = 12
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 255
Left = 6240
TabIndex = 29
Top = 720
Width = 1695
End
Begin VB.Label Label2
BackColor = &H80000003&
Caption = "MATRIZ B"
BeginProperty Font
Name = "MS Sans Serif"
Size = 12
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 255
Left = 3120
TabIndex = 19
Top = 720
Width = 1455
End
Begin VB.Label Label1
BackColor = &H80000003&
Caption = "MATRIZ A"
BeginProperty Font
Name = "MS Sans Serif"
Size = 12
Charset = 0
Weight = 700

20. Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 255
Left = 720
TabIndex = 9
Top = 720
Width = 1455
End
End
Attribute VB_Name = "OPERACIONES"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
C11 = Val(A11) + Val(B11)
C12 = Val(A12) + Val(B12)
C13 = Val(A13) + Val(B13)
C21 = Val(A21) + Val(B21)
C22 = Val(A22) + Val(B22)
C23 = Val(A23) + Val(B23)
C31 = Val(A31) + Val(B31)
C32 = Val(A32) + Val(B32)
C33 = Val(A33) + Val(B33)
End Sub
Private Sub VScroll1_Change()
A11 = VScroll1.Value
End Sub
Private Sub Command2_Click()
C11 = Val(A11 * B11) + Val(A12 * B21) + Val(A13 * B31)
C12 = Val(A11 * B12) + Val(A12 * B22) + Val(A13 * B32)
C13 = Val(A11 * B13) + Val(A12 * B23) + Val(A13 * B33)
C21 = Val(A21 * B11) + Val(A22 * B21) + Val(A23 * B31)
C22 = Val(A21 * B12) + Val(A22 * B22) + Val(A23 * B32)
C23 = Val(A21 * B13) + Val(A22 * B23) + Val(A23 * B33)
C31 = Val(A31 * B11) + Val(A32 * B21) + Val(A33 * B31)
C32 = Val(A31 * B12) + Val(A32 * B22) + Val(A33 * B32)
C33 = Val(A31 * B13) + Val(A32 * B23) + Val(A33 * B33)
End Sub
Private Sub Command3_Click()
C11 = Val(A11) - Val(B11)
C12 = Val(A12) - Val(B12)

21. C13 = Val(A13) - Val(B13)
C21 = Val(A21) - Val(B21)
C22 = Val(A22) - Val(B22)
C23 = Val(A23) - Val(B23)
C31 = Val(A31) - Val(B31)
C32 = Val(A32) - Val(B32)
C33 = Val(A33) - Val(B33)
End Sub
Private Sub VScroll2_Change()
A12 = VScroll1.Value
End Sub
End Sub
Private Sub Picture1_Click()
End Sub
Private Sub SALIR_Click()
End
End Sub
APLICACIONES
PROGRAMA: Mètodo Esquina Noreste
DECOMPILADOR: ILSpy

22. using System;
using System.Runtime;
using System.Runtime.InteropServices;
namespace System.Windows.Forms
{
/// <summary>Proporciona los datos para el evento <see
cref="E:System.Windows.Forms.Control.GiveFeedback" />, que se produce durante una
operación de arrastre.</summary>
/// <filterpriority>2</filterpriority>
[ComVisible(true)]
public class GiveFeedbackEventArgs : EventArgs
{
private readonly DragDropEffects effect;
private bool useDefaultCursors;
/// <summary>Obtiene información que se muestra sobre el tipo de operación de
arrastrar y colocar.</summary>
/// <returns>Uno de los valores de <see
cref="T:System.Windows.Forms.DragDropEffects" />.</returns>
/// <filterpriority>1</filterpriority>
public DragDropEffects Effect
{
[TargetedPatchingOptOut("Performance critical to inline this type of method across
NGen image boundaries")]
get
{
return this.effect;
}
}
/// <summary>Obtiene o establece si una operación de arrastrar debe utilizar los cursores
predeterminados que se asocian a los efectos de arrastrar y colocar.</summary>
/// <returns>true si se utilizan punteros predeterminados; en cualquier otro caso,
false.</returns>
/// <filterpriority>1</filterpriority>
public bool UseDefaultCursors
{
[TargetedPatchingOptOut("Performance critical to inline this type of method across
NGen image boundaries")]
get
{
return this.useDefaultCursors;
}
[TargetedPatchingOptOut("Performance critical to inline this type of method across
NGen image boundaries")]
set
{
this.useDefaultCursors = value;
}

23. }
/// <summary>Inicializa una nueva instancia de la clase <see
cref="T:System.Windows.Forms.GiveFeedbackEventArgs" />.</summary>
/// <param name="effect">Tipo de operación de arrastrar y colocar.Los posibles valores
se obtienen aplicando la operación OR (|) bit a bit a las constantes definidas en <see
cref="T:System.Windows.Forms.DragDropEffects" />.</param>
/// <param name="useDefaultCursors">true si se utilizan punteros predeterminados; en
cualquier otro caso, false. </param>
[TargetedPatchingOptOut("Performance critical to inline this type of method across NGen
image boundaries")]
public GiveFeedbackEventArgs(DragDropEffects effect, bool useDefaultCursors)
{
this.effect = effect;
this.useDefaultCursors = useDefaultCursors;
}
}
}

24. APLICACION: JUEGO DEL PACMAN
DECOMPILADOR: ILSpy
// C:UsersStevenDocumentsVisual Studio
2010ProjectsPacmanPacmanbinDebugPacman.exe
// Pacman, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
// Global type: <Module>
// Entry point: Pacman.Program.Main
// Architecture: x86
// Runtime: .NET 4.0
using System;
using System.Diagnostics;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
[assembly: AssemblyVersion("1.0.0.0")]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.Default |
DebuggableAttribute.DebuggingModes.DisableOptimizations |
DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints |
DebuggableAttribute.DebuggingModes.EnableEditAndContinue)]
[assembly: AssemblyCompany("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCopyright("Copyright © 2014")]
[assembly: AssemblyDescription("")]

25. [assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyProduct("Pacman")]
[assembly: AssemblyTitle("Pacman")]
[assembly: AssemblyTrademark("")]
[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: ComVisible(false)]
[assembly: Guid("322cd9dc-1839-4f72-a8c7-6d8ab42923a5")]
[assembly: TargetFramework(".NETFramework,Version=v4.0,Profile=Client",
FrameworkDisplayName = ".NET Framework 4 Client Profile")]