form3.frm

此文件包含5至6个用VB语言写的小程序

VERSION 5.00
Begin VB.Form 计算器 
   BackColor       =   &H00FFFF80&
   Caption         =   "计算器"
   ClientHeight    =   3195
   ClientLeft      =   3225
   ClientTop       =   2370
   ClientWidth     =   4875
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4875
   Begin VB.TextBox Text1 
      Height          =   615
      Left            =   1800
      TabIndex        =   11
      Top             =   120
      Width           =   1575
   End
   Begin VB.CommandButton Command1 
      Caption         =   "计算"
      Height          =   615
      Left            =   1800
      TabIndex        =   9
      Top             =   960
      Width           =   2055
   End
   Begin VB.Frame Frame1 
      BackColor       =   &H000000FF&
      Caption         =   "选择计算"
      Height          =   1500
      Left            =   200
      TabIndex        =   5
      Top             =   130
      Width           =   1000
      Begin VB.OptionButton divideOption4 
         BackColor       =   &H000000FF&
         Caption         =   "除"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   134
            Weight          =   700
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   300
         Left            =   0
         TabIndex        =   10
         Top             =   1200
         Width           =   1000
      End
      Begin VB.OptionButton multiplOption3 
         BackColor       =   &H000000FF&
         Caption         =   "乘"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   134
            Weight          =   700
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   300
         Left            =   0
         TabIndex        =   8
         Top             =   900
         Width           =   1000
      End
      Begin VB.OptionButton minusOption2 
         BackColor       =   &H000000FF&
         Caption         =   "减"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   134
            Weight          =   700
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   300
         Left            =   0
         TabIndex        =   7
         Top             =   600
         Width           =   1000
      End
      Begin VB.OptionButton addoption1 
         BackColor       =   &H000000FF&
         Caption         =   "加"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   134
            Weight          =   700
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   300
         Left            =   0
         TabIndex        =   6
         Top             =   300
         Value           =   -1  'True
         Width           =   1000
      End
   End
   Begin VB.TextBox output 
      Height          =   800
      Left            =   3240
      Locked          =   -1  'True
      TabIndex        =   4
      Top             =   2000
      Width           =   800
   End
   Begin VB.TextBox input2 
      Height          =   800
      Left            =   1560
      TabIndex        =   2
      Top             =   2000
      Width           =   800
   End
   Begin VB.TextBox input1 
      Height          =   800
      Left            =   120
      TabIndex        =   0
      Top             =   1920
      Width           =   800
   End
   Begin VB.Label Label2 
      Alignment       =   2  'Center
      AutoSize        =   -1  'True
      Caption         =   "="
      Height          =   180
      Left            =   2700
      TabIndex        =   3
      Top             =   2205
      Width           =   220
   End
   Begin VB.Label Label1 
      Alignment       =   2  'Center
      Caption         =   "+"
      Height          =   255
      Left            =   1080
      TabIndex        =   1
      Top             =   2200
      Width           =   375
   End
End
Attribute VB_Name = "计算器"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub addoption1_Click()
Label1.Caption = "+"
output.Text = ""
End Sub

Private Sub Command1_Click()
Dim n1, n2, result As Single
n1 = Val(input1.Text)
n2 = Val(input2.Text)
If addoption1.Value = True Then
  result = n1 + n2
End If
If minusOption2.Value = True Then
  result = n1 - n2
End If
If multiplOption3.Value = True Then
  result = n1 * n2
End If
If divideOption4.Value = True Then
 If n2 = 0 Then
  MsgBox "除数不能为零"
  End
Else
  result = n1 / n2
  End If
End If
output.Text = result
End Sub

Private Sub divideOption4_Click()
Label1.Caption = "/"
output.Text = ""
End Sub

Private Sub minusOption2_Click()
Label1.Caption = "-"
output.Text = ""
End Sub

Private Sub multiplOption3_Click()
Label1.Caption = "*"
output.Text = ""
End Sub

Private Sub Text1_()

End Sub

Private Sub Text1_Click()
Print addoption1.Value
Print minusOption2.Value
Print multiplOption3.Value
Print divideOption4.Value
End Sub