form1.frm

上传的包含两个文件

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   4665
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   4665
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command3 
      Caption         =   "END"
      Height          =   495
      Left            =   3840
      TabIndex        =   8
      Top             =   3480
      Width           =   615
   End
   Begin VB.CommandButton Command2 
      Caption         =   "CLS"
      Height          =   495
      Left            =   3000
      TabIndex        =   7
      Top             =   3480
      Width           =   615
   End
   Begin VB.TextBox Text3 
      Height          =   495
      Left            =   360
      TabIndex        =   6
      Top             =   2640
      Width           =   1695
   End
   Begin VB.TextBox Text2 
      Height          =   495
      Left            =   360
      TabIndex        =   5
      Top             =   1560
      Width           =   1695
   End
   Begin VB.TextBox Text1 
      Height          =   495
      Left            =   360
      TabIndex        =   4
      Top             =   600
      Width           =   1695
   End
   Begin VB.CommandButton Command1 
      Caption         =   "/"
      Height          =   495
      Index           =   3
      Left            =   3000
      TabIndex        =   3
      Top             =   2640
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "*"
      Height          =   495
      Index           =   2
      Left            =   3000
      TabIndex        =   2
      Top             =   1800
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "-"
      Height          =   495
      Index           =   1
      Left            =   3000
      TabIndex        =   1
      Top             =   1080
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "+"
      Height          =   495
      Index           =   0
      Left            =   3000
      TabIndex        =   0
      Top             =   360
      Width           =   1215
   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(Index As Integer)
Dim a, b As Integer
a = Text1.Text
b = Text2.Text
If Index = 0 Then Text3.Text = a + b
If Index = 1 Then Text3.Text = a - b
If Index = 2 Then Text3.Text = a * b
If Index = 3 Then Text3.Text = a / b
End Sub

Private Sub Command2_Click()
Text1.Text = ""
Text2.Text = ""
Text3.Text = ""
End Sub

Private Sub Command3_Click()
End
End Sub