form1.frm

vb试验代码段

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "实验5-6"
   ClientHeight    =   4155
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4110
   LinkTopic       =   "Form1"
   ScaleHeight     =   4155
   ScaleWidth      =   4110
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command3 
      Caption         =   "退出"
      Height          =   495
      Left            =   2640
      TabIndex        =   4
      Top             =   2160
      Width           =   1215
   End
   Begin VB.CommandButton Command2 
      Caption         =   "清空"
      Height          =   495
      Left            =   2640
      TabIndex        =   3
      Top             =   1320
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "搜索"
      Height          =   495
      Left            =   2640
      TabIndex        =   2
      Top             =   480
      Width           =   1215
   End
   Begin VB.ListBox List1 
      Height          =   2580
      Left            =   360
      TabIndex        =   0
      Top             =   360
      Width           =   1815
   End
   Begin VB.Label Label1 
      Height          =   495
      Left            =   360
      TabIndex        =   1
      Top             =   3360
      Width           =   2415
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Private Sub Command1_Click()
Dim a As Integer, b As Integer, i As Integer, j As Integer
Dim arr() As Integer
For a = 1 To 49
    b = 99 - a
    If a Mod 3 = 0 And b Mod 3 = 0 Then
        i = i + 1
        j = a
        Do Until a Mod j = 0 And b Mod j = 0
            j = j - 1
        Loop
        ReDim Preserve arr(3, i)
        arr(1, i) = a
        arr(2, i) = b
        arr(3, i) = j
    End If
Next
For j = 1 To i
    List1.AddItem arr(1, j) & Str(arr(2, j)) & Str(arr(3, j))
Next j
Label1.Caption = "满足条件的数共" & CStr(i) & "对"
            
        
End Sub

Private Sub Command2_Click()
List1.Clear
Label1.Caption = ""
End Sub

Private Sub Command3_Click()
End
End Sub