VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   7005
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   9885
   LinkTopic       =   "Form1"
   ScaleHeight     =   7005
   ScaleWidth      =   9885
   StartUpPosition =   3  'Windows Default
   Begin VB.CommandButton Command2 
      Caption         =   "Sorted"
      Height          =   975
      Left            =   5520
      TabIndex        =   2
      Top             =   1440
      Width           =   3495
   End
   Begin VB.CommandButton Command1 
      Caption         =   "Command1"
      Height          =   975
      Left            =   5520
      TabIndex        =   1
      Top             =   2640
      Width           =   3495
   End
   Begin VB.ListBox List1 
      Height          =   3960
      Left            =   360
      TabIndex        =   0
      Top             =   960
      Width           =   3735
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Dim notfound As Boolean
notfound = False

endpoint = List1.ListCount - 1
startpoint = 0
checkpoint = Val((endpoint + startpoint) \ 2)

Target = Val(InputBox("Enter:"))

If List1.List(checkpoint) = Target Then
MsgBox "target found at" & checkpoint + 1
List1.ListIndex = checkpoint
Else
Do While Not Val(List1.List(checkpoint)) = Val(Target)
If Val(startpoint) > Val(endpoint) Then
MsgBox "target not found"
Exit Do

End If

If Val(Target) > Val(List1.List(checkpoint)) Then
startpoint = checkpoint + 1
checkpoint = Val((endpoint + startpoint) \ 2)
End If

If Val(Target) < Val(List1.List(checkpoint)) Then
endpoint = checkpoint - 1
checkpoint = Val((endpoint + startpoint) \ 2)
End If

If Target = List1.List(checkpoint) Then
MsgBox "Target found at :" & checkpoint
List1.ListIndex = checkpoint

Exit Do

End If


Loop


End If


End Sub

Private Sub Command2_Click()
For b = 0 To List1.ListCount - 2
For c = 0 To List1.ListCount - 2
If Val(List1.List(c)) > Val(List1.List(c + 1)) Then
t = List1.List(c)
List1.List(c) = List1.List(c + 1)
List1.List(c + 1) = t
End If

Next
Next
End Sub

Private Sub Form_Load()
For a = 1 To 100
Randomize

List1.AddItem Int(1000 * Rnd())


Next
End Sub