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ID: 336
Viewed: 3031
Added: Aug 19, 2002
Version:
Snippet uploaded by: snippet
Written By: Unknown
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The Win32 API includes native functions that
allow you To change a file's properties, such as time and date, without a
third-party DLL.

Highlight all by clicking in box
<!---Declaration--->
Option Explicit
'
Private Type FILETIME
dwLowDate As Long
dwHighDate As Long
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
wMillisecs As Integer
End Type

Private Const FILE_SHARE_READ = &H1
Private Const FILE_SHARE_WRITE = &H2
Private Const GENERIC_WRITE = &H40000000
Private Const OPEN_EXISTING = 3

Private Declare Function CloseHandle Lib "kernel32" _
(ByVal hObject As Long) As Long
Private Declare Function CreateFile Lib "kernel32" _
Alias "CreateFileA" (ByVal lpFileName As String, _
ByVal dwDesiredAccess As Long, ByVal dwShareMode _
As Long, ByVal lpSecurityAttributes As Long, ByVal _
dwCreationDisposition As Long, ByVal _
dwFlagsAndAttributes As Long, ByVal hTemplateFile _
As Long) As Long

Private Declare Function LocalFileTimeToFileTime Lib _
"kernel32" (lpLocalFileTime As FILETIME, lpFileTime _
As FILETIME) As Long
Private Declare Function SetFileTime Lib "kernel32" _
(ByVal hFile As Long, ByVal MullP As Long, ByVal _
NullP2 As Long, lpLastWriteTime As FILETIME) As Long
Private Declare Function SystemTimeToFileTime Lib _
"kernel32" (lpSystemTime As SYSTEMTIME, lpFileTime _
As FILETIME) As Long

Highlight All
<!---Code--->
Sub Main()

Call SetFileDate("c:autoexec.bat", "10/16/96 12:30 pm")

End Sub


Sub SetFileDate(sFileName As String, sDate As String)

Dim hFile As Long
Dim lResult As Long
Dim udtSysTime As SYSTEMTIME
Dim udtFileTime As FILETIME
Dim udtLocalTime As FILETIME

With udtSysTime
.wYear = Year(sDate)
.wMonth = Month(sDate)
.wDay = Day(sDate)
.wDayOfWeek = WeekDay(sDate) - 1
.wHour = Hour(sDate)
.wMinute = Minute(sDate)
.wSecond = Second(sDate)
End With

lResult = SystemTimeToFileTime(udtSysTime, _
udtLocalTime)
lResult = LocalFileTimeToFileTime(udtLocalTime, _
udtFileTime)

hFile = CreateFile(sFileName, GENERIC_WRITE, _
FILE_SHARE_READ _
Or FILE_SHARE_WRITE, ByVal 0&, OPEN_EXISTING, _
0, 0)

lResult = SetFileTime(hFile, ByVal 0&, ByVal 0&, _
udtFileTime)

Call CloseHandle(hFile)

End Sub;


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