删除相同数.frm

Visual Basic课程举例1 有很好的例题

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "删除相同数"
      Height          =   495
      Left            =   2160
      TabIndex        =   5
      Top             =   2640
      Width           =   2055
   End
   Begin VB.CommandButton Command1 
      Caption         =   "输入数据"
      Height          =   495
      Left            =   120
      TabIndex        =   4
      Top             =   2640
      Width           =   1335
   End
   Begin VB.PictureBox Picture2 
      Height          =   975
      Left            =   1680
      ScaleHeight     =   915
      ScaleWidth      =   2475
      TabIndex        =   3
      Top             =   1320
      Width           =   2535
   End
   Begin VB.PictureBox Picture1 
      Height          =   855
      Left            =   1680
      ScaleHeight     =   795
      ScaleWidth      =   2475
      TabIndex        =   2
      Top             =   240
      Width           =   2535
   End
   Begin VB.Label Label2 
      Caption         =   "结果数列"
      Height          =   855
      Left            =   120
      TabIndex        =   1
      Top             =   1440
      Width           =   1335
   End
   Begin VB.Label Label1 
      Caption         =   "原始数列"
      Height          =   615
      Left            =   240
      TabIndex        =   0
      Top             =   360
      Width           =   1095
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim a() As Integer

Private Sub Command1_Click()
Dim i As Integer
ReDim a(0 To 7) As Integer
For i = 0 To 7
a(i) = InputBox("")
Next i
For i = 0 To 7
Picture1.Print a(i);
Next i
End Sub

Private Sub Command2_Click()
Dim i As Integer, m As Integer, j As Integer
For i = 0 To 6
If a(i) <> -999 Then
For j = i + 1 To 7
If a(i) = a(j) Then
a(j) = -999
End If
Next j
End If
Next i
For m = 0 To UBound(a)
If a(m) <> -999 Then
Picture2.Print a(m);
End If
End Sub