frmarr04.frm

Visual Basic 6 大学教程的代码

VERSION 5.00
Begin VB.Form frmArr04 
   Caption         =   "Fig. 7.4: Student Poll Analysis"
   ClientHeight    =   3165
   ClientLeft      =   2745
   ClientTop       =   1725
   ClientWidth     =   4530
   BeginProperty Font 
      Name            =   "Courier"
      Size            =   12
      Charset         =   0
      Weight          =   700
      Underline       =   0   'False
      Italic          =   0   'False
      Strikethrough   =   0   'False
   EndProperty
   ForeColor       =   &H80000008&
   LinkTopic       =   "Form1"
   PaletteMode     =   1  'UseZOrder
   ScaleHeight     =   3165
   ScaleWidth      =   4530
   Begin VB.CommandButton cmdExit 
      Appearance      =   0  'Flat
      BackColor       =   &H80000005&
      Caption         =   "Exit"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   12
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   735
      Left            =   2880
      TabIndex        =   1
      Top             =   1320
      Width           =   1335
   End
   Begin VB.CommandButton cmdPrint 
      Appearance      =   0  'Flat
      BackColor       =   &H80000005&
      Caption         =   "Print"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   12
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   735
      Left            =   2880
      TabIndex        =   0
      Top             =   240
      Width           =   1335
   End
End
Attribute VB_Name = "frmArr04"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
' Fig. 7.4
' Student poll analysis program
Option Explicit

' Set default lower bound to 1
Option Base 1

Dim mResponses(40) As Integer
      
Private Sub Form_Load()
   Dim x As Integer
   
   ' Generate survey data
   For x = LBound(mResponses) To UBound(mResponses)
      mResponses(x) = 1 + Int(Rnd() * 10)
   Next x
   
End Sub
  
Private Sub cmdPrint_Click()
   Dim frequency(10) As Integer ' 10 Elements
   Dim x As Integer
   
   Call Cls
   Call Randomize
   
   ' Calculate results
   For x = LBound(mResponses) To UBound(mResponses)
      frequency(mResponses(x)) = frequency(mResponses(x)) + 1
   Next x

   Print "Rating" & Space$(3) & "Frequency"

   For x = LBound(frequency) To UBound(frequency)
      Print Space$(3) & x & vbTab & vbTab & frequency(x)
   Next x

   cmdPrint.Enabled = False
End Sub

Private Sub cmdExit_Click()
   End
End Sub