form1.frm

上传的包含两个文件

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   5175
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   6075
   LinkTopic       =   "Form1"
   ScaleHeight     =   5175
   ScaleWidth      =   6075
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command3 
      Caption         =   "恢复"
      Height          =   615
      Left            =   3600
      TabIndex        =   3
      Top             =   3960
      Width           =   975
   End
   Begin VB.CommandButton Command2 
      Caption         =   "暂停"
      Height          =   615
      Left            =   2160
      TabIndex        =   2
      Top             =   3960
      Width           =   975
   End
   Begin VB.CommandButton Command1 
      Caption         =   "放大"
      Height          =   615
      Left            =   720
      TabIndex        =   1
      Top             =   3960
      Width           =   1095
   End
   Begin VB.Timer Timer1 
      Enabled         =   0   'False
      Interval        =   500
      Left            =   360
      Top             =   3000
   End
   Begin VB.VScrollBar VScroll1 
      Height          =   4215
      LargeChange     =   30
      Left            =   5400
      Max             =   1000
      TabIndex        =   0
      Top             =   240
      Width           =   615
   End
   Begin VB.Image Image1 
      Height          =   1575
      Left            =   120
      Picture         =   "Form1.frx":0000
      Stretch         =   -1  'True
      Top             =   120
      Width           =   2100
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Timer1.Enabled = True
End Sub

Private Sub Command2_Click()
Timer1.Enabled = False
End Sub

Private Sub Command3_Click()
Image1.Height = 1695
Image1.Width = 1860
End Sub

Private Sub Timer1_Timer()
Image1.Height = Image1.Height + 200
Image1.Width = Image1.Width + 200
End Sub

Private Sub VScroll1_Change()
Timer1.Interval = VScroll1.Value / 10
End Sub