frmaddit.frm

Visual Basic 6 大学教程的代码

VERSION 5.00
Begin VB.Form frmAddition 
   Caption         =   "Fig. 3.10: Addition Program"
   ClientHeight    =   2625
   ClientLeft      =   2535
   ClientTop       =   2835
   ClientWidth     =   4155
   BeginProperty Font 
      Name            =   "MS Sans Serif"
      Size            =   8.25
      Charset         =   0
      Weight          =   700
      Underline       =   0   'False
      Italic          =   0   'False
      Strikethrough   =   0   'False
   EndProperty
   ForeColor       =   &H00FFFFFF&
   LinkTopic       =   "Form1"
   PaletteMode     =   1  'UseZOrder
   ScaleHeight     =   2625
   ScaleWidth      =   4155
   Begin VB.CommandButton cmdExit 
      Caption         =   "Exit"
      Height          =   495
      Left            =   2640
      TabIndex        =   5
      Top             =   1800
      Width           =   1215
   End
   Begin VB.CommandButton cmdAdd 
      Caption         =   "Add"
      Height          =   495
      Left            =   225
      TabIndex        =   1
      Top             =   1800
      Width           =   1215
   End
   Begin VB.TextBox txtInput 
      Alignment       =   1  'Right Justify
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   13.5
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   480
      Left            =   2610
      MaxLength       =   5
      TabIndex        =   0
      Top             =   240
      Width           =   1245
   End
   Begin VB.TextBox txtSum 
      Alignment       =   1  'Right Justify
      Enabled         =   0   'False
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   13.5
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   420
      Left            =   1935
      TabIndex        =   3
      Text            =   "0"
      Top             =   1005
      Width           =   1920
   End
   Begin VB.Label lblPrompt 
      Caption         =   "Enter an integer"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   13.5
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   480
      Left            =   240
      TabIndex        =   4
      Top             =   240
      Width           =   2370
   End
   Begin VB.Label lblSum 
      Caption         =   "The sum is "
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   13.5
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   420
      Left            =   225
      TabIndex        =   2
      Top             =   1035
      Width           =   2580
   End
End
Attribute VB_Name = "frmAddition"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim sum As Integer ' declare an integer

Private Sub cmdAdd_Click()
   sum = sum + txtInput.Text      ' add to sum
   txtInput.Text = ""             ' clear text box
   txtSum.Text = sum              ' display in text box
End Sub

Private Sub cmdExit_Click()
   End    ' terminate execution
End Sub