practice8_1.frm

来自「深圳大学的vb上机与教学的课件」· FRM 代码 · 共 167 行

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4050
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4050
   StartUpPosition =   2  '屏幕中心
   Begin VB.TextBox Text4 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   21.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1680
      Locked          =   -1  'True
      TabIndex        =   4
      Top             =   2280
      Width           =   1815
   End
   Begin VB.TextBox Text3 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   21.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1680
      TabIndex        =   2
      Top             =   1560
      Width           =   1815
   End
   Begin VB.TextBox Text2 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   21.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1680
      TabIndex        =   1
      Top             =   840
      Width           =   1815
   End
   Begin VB.TextBox Text1 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   21.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1680
      TabIndex        =   0
      Top             =   120
      Width           =   1815
   End
   Begin VB.CommandButton Command1 
      Caption         =   "y="
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   21.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   840
      TabIndex        =   3
      Top             =   2280
      Width           =   735
   End
   Begin VB.Label Label3 
      Caption         =   "p="
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   21.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   960
      TabIndex        =   7
      Top             =   1560
      Width           =   615
   End
   Begin VB.Label Label2 
      Caption         =   "n="
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   21.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   960
      TabIndex        =   6
      Top             =   840
      Width           =   615
   End
   Begin VB.Label Label1 
      Caption         =   "m="
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   21.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   960
      TabIndex        =   5
      Top             =   120
      Width           =   615
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Function f(n)
  Sum = 0
  For i = 1 To n
   Sum = Sum + i
  Next i
  f = Sum
End Function

Private Sub Command1_Click()
  m = Val(Text1.Text)
  n = Val(Text2.Text)
  p = Val(Text3.Text)
  y = (f(m) + f(n)) / f(p)
  Text4.Text = Format(y, "0.0000")
End Sub