form1.frm

本文件包含200个visual baisc实例

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "数据备份"
   ClientHeight    =   2130
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4425
   Icon            =   "Form1.frx":0000
   LinkTopic       =   "Form1"
   ScaleHeight     =   2130
   ScaleWidth      =   4425
   StartUpPosition =   1  '所有者中心
   Begin VB.CommandButton Command3 
      Caption         =   "开始备份(到C盘)"
      Height          =   405
      Left            =   1245
      TabIndex        =   2
      Top             =   870
      Width           =   2000
   End
   Begin VB.CommandButton Command1 
      Caption         =   "开始备份(到A盘)"
      Height          =   405
      Left            =   1245
      TabIndex        =   1
      Top             =   240
      Width           =   2000
   End
   Begin VB.CommandButton Command2 
      Caption         =   "退出"
      Height          =   405
      Left            =   1245
      TabIndex        =   0
      Top             =   1440
      Width           =   2000
   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()
  YesNo = MsgBox("软盘插好了吗？", vbNo + vbQuestion)
  If YesNo = vbNo Then
     Exit Sub
  End If
  On Error GoTo errprompt
  Me.MousePointer = 11
  FileCopy App.Path & "\mrlc.mdb", "A:\mrlc" & Date & ".mdb"
  Me.MousePointer = 0
  MsgBox "数据已备份完毕。"
errprompt:
   Me.MousePointer = 0
  Select Case Err.Number
    Case 57
      MsgBox "磁盘已坏！", vbCritical
    Case 70
      MsgBox "磁盘写保护！", vbCritical
    Case 71
      MsgBox "磁盘未准备好！", vbCritical
  End Select
End Sub
Private Sub Command3_Click()
  Me.MousePointer = 11
  FileCopy App.Path & "\mrlc.mdb", "c:\mrlc" & Date & ".mdb"
  Me.MousePointer = 0
  MsgBox "数据已备份完毕。"
End Sub

Private Sub Command2_Click()
  Unload Me
End Sub