VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3090
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3090
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command1 
      Caption         =   "計算"
      Height          =   735
      Left            =   960
      TabIndex        =   2
      Top             =   2280
      Width           =   2775
   End
   Begin VB.TextBox Text2 
      Height          =   615
      Left            =   1200
      Locked          =   -1  'True
      TabIndex        =   1
      Top             =   1320
      Width           =   2295
   End
   Begin VB.TextBox Text1 
      Height          =   615
      Left            =   1200
      Locked          =   -1  'True
      TabIndex        =   0
      Top             =   360
      Width           =   2295
   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()
r = InputBox("輸入數值", "0")
If r > 0 Then
Text1.Text = 3.14 * r * r
Text2.Text = 3.14 * 2 * r
Else
Form2.Show
End If


End Sub