form1.frm

主要是一些文件操作的技巧

VERSION 5.00
Object = "{F9043C88-F6F2-101A-A3C9-08002B2F49FB}#1.2#0"; "COMDLG32.OCX"
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         =   "删除文件"
      Height          =   495
      Left            =   1800
      TabIndex        =   1
      Top             =   2160
      Width           =   1215
   End
   Begin MSComDlg.CommonDialog CommonDialog1 
      Left            =   960
      Top             =   2160
      _ExtentX        =   847
      _ExtentY        =   847
      _Version        =   393216
   End
   Begin VB.CommandButton Command1 
      Caption         =   "打开文件"
      Height          =   495
      Left            =   1800
      TabIndex        =   0
      Top             =   1320
      Width           =   1215
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Declare Function SHFileOperation Lib "shell32.dll" Alias "SHFileOperationA" _
(lpFileOp As SHFILEOPSTRUCT _
) As Long
Dim MyFile As String
'删除文件函数
Function ShellDelete(FileName As String)
    Dim SHFileOp As SHFILEOPSTRUCT
    FileName = FileName & vbNullChar
    With SHFileOp
        .wFunc = FO_DELETE
        .pFrom = FileName
        .fFlags = FOF_NOCONFIRMATION
    End With
    ShellDelete = SHFileOperation(SHFileOp)
End Function


Private Sub Command1_Click()
' 设置“CancelError”为 True
CommonDialog1.CancelError = True
On Error GoTo ErrHandler
' 设置标志
CommonDialog1.Flags = cdlOFNHideReadOnly
' 设置过滤器
CommonDialog1.Filter = "All Files (*.*)"
' 指定缺省的过滤器
CommonDialog1.FilterIndex = 2
' 显示“打开”对话框
CommonDialog1.ShowOpen
MyFile = CommonDialog1.FileName
Exit Sub
ErrHandler:
' 用户按了“取消”按钮
End Sub

Private Sub Command2_Click()
ShellDelete (MyFile)
End Sub