VERSION 5.00
Begin VB.Form Form1 
   BackColor       =   &H00808000&
   Caption         =   "Число Пи"
   ClientHeight    =   7740
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   9225
   LinkTopic       =   "Form1"
   ScaleHeight     =   7740
   ScaleWidth      =   9225
   StartUpPosition =   3  'Windows Default
   Begin VB.PictureBox Picture1 
      BackColor       =   &H00C0C0C0&
      DrawWidth       =   3
      Height          =   5550
      Left            =   1560
      ScaleHeight     =   5490
      ScaleWidth      =   5490
      TabIndex        =   3
      Top             =   240
      Width           =   5550
   End
   Begin VB.Timer Timer1 
      Enabled         =   0   'False
      Interval        =   1
      Left            =   7920
      Top             =   6960
   End
   Begin VB.CommandButton Command2 
      Caption         =   "Стоп"
      Height          =   495
      Left            =   4920
      TabIndex        =   1
      Top             =   6960
      Width           =   1695
   End
   Begin VB.CommandButton Command1 
      Caption         =   "Старт"
      Height          =   495
      Left            =   1800
      TabIndex        =   0
      Top             =   6960
      Width           =   1695
   End
   Begin VB.Label Label1 
      BackColor       =   &H00808000&
      Caption         =   "Число ПИ = "
      BeginProperty Font 
         Name            =   "Monotype Corsiva"
         Size            =   36
         Charset         =   204
         Weight          =   400
         Underline       =   0   'False
         Italic          =   -1  'True
         Strikethrough   =   0   'False
      EndProperty
      Height          =   735
      Left            =   120
      TabIndex        =   2
      Top             =   6000
      Width           =   8895
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim n, m As Integer, pi As Single

Private Sub Image1_Click()

End Sub

Private Sub Command1_Click()
  Timer1.Enabled = True
  Picture1.Line (-1, -1)-(1, 1), , B
  Picture1.Circle (0, 0), 1, , , , 1

End Sub

Private Sub Command2_Click()
Timer1.Enabled = False
  pi = m / n * 4
  Label1.Caption = "Число Пи ~ " + Str(pi)
End Sub

Private Sub Form_Load()
  Randomize Timer
  Picture1.Scale (-1, -1)-(1, 1)

End Sub

Private Sub Timer1_Timer()
  n = n + 1
  x = Rnd * 2 - 1
  y = Rnd * 2 - 1
  If (x * x + y * y) <= 1 Then
   m = m + 1
   Picture1.PSet (x, y), QBColor(15)
  Else
   Picture1.PSet (x, y), QBColor(12)
  End If
End Sub