4.frm

上传的包含两个文件

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3090
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3090
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.OptionButton Option1 
      Caption         =   "选择2"
      Height          =   615
      Index           =   1
      Left            =   120
      TabIndex        =   3
      Top             =   1200
      Width           =   1575
   End
   Begin VB.OptionButton Option1 
      Caption         =   "选择1"
      Height          =   615
      Index           =   0
      Left            =   120
      TabIndex        =   2
      Top             =   120
      Width           =   1575
   End
   Begin VB.CommandButton Command2 
      Caption         =   "Command2"
      Height          =   495
      Left            =   3480
      TabIndex        =   1
      Top             =   1080
      Width           =   615
   End
   Begin VB.CommandButton Command1 
      Caption         =   "Command1"
      Height          =   495
      Left            =   3360
      TabIndex        =   0
      Top             =   240
      Width           =   735
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim i As Integer
Private Sub Command1_Click()
If i = 0 Then i = 1
If i > 2 Then Exit Sub
i = i + 1
Load Option1(i)
Option1(i).Visible = True
Option1(i).Top = Option1(i - 1).Top + 600
Option1(i).Caption = "选择" & (i + 1)
Option1(0).SetFocus
End Sub

Private Sub Command2_Click()
If i <= 1 Then Exit Sub
Unload Option1(i)
i = i - 1
Option1(0).SetFocus
End Sub