用 DeleteFile Api,可删除文件,如果正在使用,也可删除.
'This program needs a Dialog box, named CDBox1
' (To add the Common Dialog Box to your tools menu, go to Project->Components (or press CTRL-T)
' and select Microsoft Common Dialog control)
Private Type FILETIME
dwLowDateTime As Long
dwHighDateTime As Long
End Type
Private Type SHFILEOPSTRUCT
hWnd As Long
wFunc As Long
pFrom As String
pTo As String
fFlags As Integer
fAborted As Boolean
hNameMaps As Long
sProgress As String
End Type
Private Type SYSTEMTIME
wYear As Integer
wMonth As Integer
wDayOfWeek As Integer
wDay As Integer
wHour As Integer
wMinute As Integer
wSecond As Integer
wMilliseconds As Integer
End Type
Private Const GENERIC_WRITE = &H40000000
Private Const OPEN_EXISTING = 3
Private Const FILE_SHARE_READ = &H1
Private Const FILE_SHARE_WRITE = &H2
Private Const FO_DELETE = &H3
Private Declare Function CopyFile Lib "kernel32" Alias "CopyFileA" (ByVal lpExistingFileName As String, ByVal lpNewFileName As String, ByVal bFailIfExists As Long) As Long
Private Declare Function CreateDirectory Lib "kernel32" Alias "CreateDirectoryA" (ByVal lpPathName As String, lpSecurityAttributes As Long) As Long
Private Declare Function DeleteFile Lib "kernel32" Alias "DeleteFileA" (ByVal lpFileName As String) As Long
Private Declare Function GetFileSize Lib "kernel32" (ByVal hFile As Long, lpFileSizeHigh As Long) As Long
Private Declare Function GetFileTime Lib "kernel32" (ByVal hFile As Long, lpCreationTime As FILETIME, lpLastAccessTime As FILETIME, lpLastWriteTime As FILETIME) As Long
Private Declare Function MoveFile Lib "kernel32" Alias "MoveFileA" (ByVal lpExistingFileName As String, ByVal lpNewFileName As String) As Long
Private Declare Function CreateFile Lib "kernel32" Alias "CreateFileA" (ByVal lpFileName As String, ByVal dwDesiredAccess As Long, ByVal dwShareMode As Long, lpSecurityAttributes As Long, ByVal dwCreationDisposition As Long, ByVal dwFlagsAndAttributes As Long, ByVal hTemplateFile As Long) As Long
Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long
Private Declare Function SHFileOperation Lib "shell32.dll" Alias "SHFileOperationA" (lpFileOp As SHFILEOPSTRUCT) As Long
Private Declare Function FileTimeToSystemTime Lib "kernel32" (lpFileTime As FILETIME, lpSystemTime As SYSTEMTIME) As Long
Private Declare Function FileTimeToLocalFileTime Lib "kernel32" (lpFileTime As FILETIME, lpLocalFileTime As FILETIME) As Long
Private Sub Form_Load()
'KPD-Team 1998
'URL: http://www.allapi.net/
'E-Mail: [email protected]
Dim lngHandle As Long, SHDirOp As SHFILEOPSTRUCT, lngLong As Long
Dim Ft1 As FILETIME, Ft2 As FILETIME, SysTime As SYSTEMTIME
'Set the dialog's title
CDBox.DialogTitle = "Choose a file ..."
'Raise an error when the user pressed cancel
CDBox.CancelError = True
'Show the 'Open File'-dialog
CDBox.ShowOpen
'Create a new directory
CreateDirectory "C:\KPD-Team", ByVal &H0
'Copy the selected file to our new directory
CopyFile CDBox.filename, "C:\KPD-Team\" + CDBox.FileTitle, 0
'Rename the file
MoveFile "C:\KPD-Team\" + CDBox.FileTitle, "C:\KPD-Team\test.kpd"
'Open the file
lngHandle = CreateFile("C:\KPD-Team\test.kpd", GENERIC_WRITE, FILE_SHARE_READ Or FILE_SHARE_WRITE, ByVal 0&, OPEN_EXISTING, 0, 0)
'Get the file's size
MsgBox "The size of the selected file is" + Str$(GetFileSize(lngHandle, lngLong)) + " bytes."
'Get the fil's time
GetFileTime lngHandle, Ft1, Ft1, Ft2
'Convert the file time to the local file time
FileTimeToLocalFileTime Ft2, Ft1
'Convert the file time to system file time
FileTimeToSystemTime Ft1, SysTime
MsgBox "The selected file was created on" + Str$(SysTime.wMonth) + "/" + LTrim(Str$(SysTime.wDay)) + "/" + LTrim(Str$(SysTime.wYear))
'Close the file
CloseHandle lngHandle
'Delete the file
DeleteFile "C:\KPD-Team\test.kpd"
With SHDirOp
.wFunc = FO_DELETE
.pFrom = "C:\KPD-Team"
End With
'Delete the directory
SHFileOperation SHDirOp
End
End Sub
'This program needs a Dialog box, named CDBox1
' (To add the Common Dialog Box to your tools menu, go to Project->Components (or press CTRL-T)
' and select Microsoft Common Dialog control)
Private Type FILETIME
dwLowDateTime As Long
dwHighDateTime As Long
End Type
Private Type SHFILEOPSTRUCT
hWnd As Long
wFunc As Long
pFrom As String
pTo As String
fFlags As Integer
fAborted As Boolean
hNameMaps As Long
sProgress As String
End Type
Private Type SYSTEMTIME
wYear As Integer
wMonth As Integer
wDayOfWeek As Integer
wDay As Integer
wHour As Integer
wMinute As Integer
wSecond As Integer
wMilliseconds As Integer
End Type
Private Const GENERIC_WRITE = &H40000000
Private Const OPEN_EXISTING = 3
Private Const FILE_SHARE_READ = &H1
Private Const FILE_SHARE_WRITE = &H2
Private Const FO_DELETE = &H3
Private Declare Function CopyFile Lib "kernel32" Alias "CopyFileA" (ByVal lpExistingFileName As String, ByVal lpNewFileName As String, ByVal bFailIfExists As Long) As Long
Private Declare Function CreateDirectory Lib "kernel32" Alias "CreateDirectoryA" (ByVal lpPathName As String, lpSecurityAttributes As Long) As Long
Private Declare Function DeleteFile Lib "kernel32" Alias "DeleteFileA" (ByVal lpFileName As String) As Long
Private Declare Function GetFileSize Lib "kernel32" (ByVal hFile As Long, lpFileSizeHigh As Long) As Long
Private Declare Function GetFileTime Lib "kernel32" (ByVal hFile As Long, lpCreationTime As FILETIME, lpLastAccessTime As FILETIME, lpLastWriteTime As FILETIME) As Long
Private Declare Function MoveFile Lib "kernel32" Alias "MoveFileA" (ByVal lpExistingFileName As String, ByVal lpNewFileName As String) As Long
Private Declare Function CreateFile Lib "kernel32" Alias "CreateFileA" (ByVal lpFileName As String, ByVal dwDesiredAccess As Long, ByVal dwShareMode As Long, lpSecurityAttributes As Long, ByVal dwCreationDisposition As Long, ByVal dwFlagsAndAttributes As Long, ByVal hTemplateFile As Long) As Long
Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long
Private Declare Function SHFileOperation Lib "shell32.dll" Alias "SHFileOperationA" (lpFileOp As SHFILEOPSTRUCT) As Long
Private Declare Function FileTimeToSystemTime Lib "kernel32" (lpFileTime As FILETIME, lpSystemTime As SYSTEMTIME) As Long
Private Declare Function FileTimeToLocalFileTime Lib "kernel32" (lpFileTime As FILETIME, lpLocalFileTime As FILETIME) As Long
Private Sub Form_Load()
'KPD-Team 1998
'URL: http://www.allapi.net/
'E-Mail: [email protected]
Dim lngHandle As Long, SHDirOp As SHFILEOPSTRUCT, lngLong As Long
Dim Ft1 As FILETIME, Ft2 As FILETIME, SysTime As SYSTEMTIME
'Set the dialog's title
CDBox.DialogTitle = "Choose a file ..."
'Raise an error when the user pressed cancel
CDBox.CancelError = True
'Show the 'Open File'-dialog
CDBox.ShowOpen
'Create a new directory
CreateDirectory "C:\KPD-Team", ByVal &H0
'Copy the selected file to our new directory
CopyFile CDBox.filename, "C:\KPD-Team\" + CDBox.FileTitle, 0
'Rename the file
MoveFile "C:\KPD-Team\" + CDBox.FileTitle, "C:\KPD-Team\test.kpd"
'Open the file
lngHandle = CreateFile("C:\KPD-Team\test.kpd", GENERIC_WRITE, FILE_SHARE_READ Or FILE_SHARE_WRITE, ByVal 0&, OPEN_EXISTING, 0, 0)
'Get the file's size
MsgBox "The size of the selected file is" + Str$(GetFileSize(lngHandle, lngLong)) + " bytes."
'Get the fil's time
GetFileTime lngHandle, Ft1, Ft1, Ft2
'Convert the file time to the local file time
FileTimeToLocalFileTime Ft2, Ft1
'Convert the file time to system file time
FileTimeToSystemTime Ft1, SysTime
MsgBox "The selected file was created on" + Str$(SysTime.wMonth) + "/" + LTrim(Str$(SysTime.wDay)) + "/" + LTrim(Str$(SysTime.wYear))
'Close the file
CloseHandle lngHandle
'Delete the file
DeleteFile "C:\KPD-Team\test.kpd"
With SHDirOp
.wFunc = FO_DELETE
.pFrom = "C:\KPD-Team"
End With
'Delete the directory
SHFileOperation SHDirOp
End
End Sub
采用递归算法删除带有多级子目录的目录
Option ExplicitPrivate Sub Command1_Click()
Dim strPathName As String
strPathName = ""
strPathName = InputBox("请输入需要删除的文件夹名称∶", "删除文件夹")
If strPathName = "" Then Exit SubOn Error GoTo ErrorHandle
SetAttr strPathName, vbNormal '此行主要是为了检查文件夹名称的有效性
RecurseTree strPathName
Label1.Caption = "文件夹" & strPathName & "已经删除!"
Exit Sub
ErrorHandle:
MsgBox "无效的文件夹名称:" & strPathName
End SubSub RecurseTree(CurrPath As String)
Dim sFileName As String
Dim newPath As String
Dim sPath As String
Static oldPath As StringsPath = CurrPath & "\"sFileName = Dir(sPath, 31) '31的含义∶31=vbNormal+vbReadOnly+vbHidden+vbSystem+vbVolume+vbDirectory
Do While sFileName <> ""
If sFileName <> "." And sFileName <> ".." Then
If GetAttr(sPath & sFileName) And vbDirectory Then '如果是目录和文件夹
newPath = sPath & sFileName
RecurseTree newPath
sFileName = Dir(sPath, 31)
Else
SetAttr sPath & sFileName, vbNormal
Kill (sPath & sFileName)
Label1.Caption = sPath & sFileName '显示删除过程
sFileName = Dir
End If
Else
sFileName = Dir
End If
DoEvents
Loop
SetAttr CurrPath, vbNormal
RmDir CurrPath
Label1.Caption = CurrPath
End Sub
我上次用的也是这个API啊,怎么我没有成功呢 ?
如何用程序来Delete Copy Move Rename File/Directory
作者: 王国荣 Private Type SHFILEOPSTRUCT
hwnd As Long
wFunc As Long
pFrom As String
pTo As String
fFlags As Integer
fAnyOperationsAborted As Long
hNameMappings As Long
lpszProgressTitle As String ' only used if FOF_SIMPLEPROGRESS
End Type
'wFunc 的设定值
'FO_COPY Copies the files specified by pFrom to the location specified by pTo.
'FO_DELETE Deletes the files specified by pFrom (pTo is ignored).
'FO_MOVE Moves the files specified by pFrom to the location specified by pTo.
'FO_RENAME Renames the files specified by pFrom.'fFlag的设定
'FOF_ALLOWUNDO Preserves undo information, if possible.
'FOF_FILESONLY Performs the operation only on files if a wildcard filename
' (*.*) is specified.
'FOF_MULTIDESTFILES Indicates that the pTo member specifies multiple destination
' files (one for each source file) rather than one directory where
' all source files are to be deposited.
'FOF_NOCONFIRMATION Responds with "yes to all" for any dialog box that is displayed.
'FOF_NOCONFIRMMKDIR Does not confirm the creation of a new directory if
' the operation requires one to be created.
'FOF_RENAMEONCOLLISION Gives the file being operated on a new name (such as
' "Copy #1 of...") in a move, copy, or rename operation
' if a file of the target name already exists.
'FOF_SILENT Does not display a progress dialog box.
'FOF_SIMPLEPROGRESS Displays a progress dialog box, but does not show the
' filenames.
'FOF_WANTMAPPINGHANDLE Fills in the hNameMappings member. The handle must be
' freed by using the SHFreeNameMappings function.Const FO_MOVE = &H1
Const FO_COPY = &H2
Const FO_DELETE = &H3
Const FOF_NOCONFIRMATION = &H10
Const FOF_NOCONFIRMMKDIR = &H200
Const FOF_ALLOWUNDO = &H40
Const FOF_SILENT = &H4
Private Declare Function SHFileOperation Lib "shell32.dll" Alias _
"SHFileOperationA" (lpFileOp As SHFILEOPSTRUCT) As Long'删除 test目录及其底下的子目录到资源回收桶
Private Sub Command1_Click()
Dim SHFileOp As SHFILEOPSTRUCT SHFileOp.wFunc = FO_DELETE
SHFileOp.pFrom = "c:\test" + Chr(0)
'不出现档案删除的动态AVI,且不Confirm
SHFileOp.fFlags = FOF_SILENT + FOF_ALLOWUNDO + FOF_NOCONFIRMATION
'若没有 FOF_ALLOWUNDO 则不会到资源回收桶
Call SHFileOperation(SHFileOp)
End Sub'同时删除多档到资源回收桶
Private Sub Command2_Click()
Dim SHFileOp As SHFILEOPSTRUCT
Dim Files As String
'Files = "c:\test.txt" + Chr(0)
Files = "c:\test1.txt" + Chr(0) + "c:\test2.txt" + Chr(0) + _
"c:\test3.txt" + Chr(0)
SHFileOp.wFunc = FO_DELETE
SHFileOp.pFrom = Files
'删至资源回收桶,且不Confirm
SHFileOp.fFlags = FOF_ALLOWUNDO + FOF_NOCONFIRMATION
Call SHFileOperation(SHFileOp)
End Sub'将 c:\temp 整个目录复制到 c:\temp2
Private Sub Command3_Click()
Dim SHFileOp As SHFILEOPSTRUCT SHFileOp.wFunc = FO_COPY
SHFileOp.pFrom = "c:\temp\*.*"
SHFileOp.pTo = "c:\temp2\*.*"
SHFileOp.fFlags = FOF_ALLOWUNDO + FOF_NOCONFIRMMKDIR
Call SHFileOperation(SHFileOp)
End Sub'将 c:\test4.txt 快速移到 c:\temp 目录
Private Sub Command4_Click()
Dim SHFileOp As SHFILEOPSTRUCT SHFileOp.wFunc = FO_MOVE
SHFileOp.pFrom = "c:\test4.txt" + Chr(0)
SHFileOp.pTo = "c:\temp"
SHFileOp.fFlags = FOF_ALLOWUNDO + FOF_NOCONFIRMATION
Call SHFileOperation(SHFileOp)
End Sub
如果可以,请将您的方法告诉我,多谢。
如果不行,请和我一起等待其他人的回答。
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