frmbackup.frm

水电费管理信息系统。用VB编写

VERSION 5.00
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCTL.OCX"
Begin VB.Form frmBackup 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "数据恢复"
   ClientHeight    =   2310
   ClientLeft      =   5100
   ClientTop       =   5325
   ClientWidth     =   5400
   LinkTopic       =   "Form3"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   2310
   ScaleWidth      =   5400
   Begin VB.PictureBox Picture1 
      AutoSize        =   -1  'True
      BorderStyle     =   0  'None
      Height          =   720
      Left            =   480
      Picture         =   "frmBackup.frx":0000
      ScaleHeight     =   720
      ScaleWidth      =   720
      TabIndex        =   4
      Top             =   240
      Width           =   720
   End
   Begin MSComctlLib.ProgressBar ProgressBar1 
      Height          =   195
      Left            =   360
      TabIndex        =   3
      Top             =   1920
      Visible         =   0   'False
      Width           =   4575
      _ExtentX        =   8070
      _ExtentY        =   344
      _Version        =   393216
      Appearance      =   1
   End
   Begin VB.CommandButton Command2 
      Caption         =   "退出"
      Height          =   495
      Left            =   3240
      TabIndex        =   2
      Top             =   1200
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "恢复"
      Height          =   495
      Left            =   1080
      TabIndex        =   1
      Top             =   1200
      Width           =   1215
   End
   Begin VB.Label Label1 
      Height          =   495
      Left            =   2040
      TabIndex        =   0
      Top             =   480
      Width           =   1215
   End
End
Attribute VB_Name = "frmBackup"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'调用Windows API函数,函数声明
Private Declare Function CopyFile Lib "kernel32" Alias "CopyFileA" (ByVal lpExistingFileName As String, ByVal lpNewFileName As String, ByVal bFailIfExists As Long) As Long

Private Sub Command1_Click()
ProgressBar1.Min = 0               '设置最小值
ProgressBar1.Max = 100             '设置最大值
ProgressBar1.Value = 100           '当前进度值

CopyFile "数据备份.mdb", "水电费管理系统数据库.mdb", 0
ProgressBar1.Visible = True
Label1.Caption = "数据恢复成功!"
End Sub

Private Sub Command2_Click()
  Unload Me
End Sub

Private Sub Form_Load()
  path1 = App.Path & "\水电费管理系统数据库.mdb"
  path2 = App.Path & "\数据备份.mdb"
End Sub