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📁 VB技巧问答10000例 VB技巧问答10000例
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    <title>请【笑儿】进来看看好吗?^_^..</title>
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      <h1>请【笑儿】进来看看好吗?^_^..</h1>
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Posted by 小顺子 on August 12, 1998 at 03:21:38:<p>
In Reply to: <a href="4621.html">Re: 请问【修改】档案的建立日期、时间?</a> posted by 笑儿 on August 11, 1998 at 21:45:04:<p>
这个主要功能是由 API 更改档案的建立时间,<br>虽然我可以读取时间,也找了相对的 API<br>可是不论如何嚐试,就是无法写入,不知道<br>SetFileTime Lib "kernel32" 更改档案时<br>间是要如何设定呢?<p><br>'表单上有 Command1 和 Command2 , 并须要建立一个测试档案<br>Option Explicit<p>Private Declare Function OpenFile Lib "kernel32" (ByVal lpFileName As String, _<br>        lpReOpenBuff As OFSTRUCT, ByVal wStyle As Long) As Long<br>Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) _<br>        As Long<p>Private Declare Function FileTimeToSystemTime Lib "kernel32" (lpFileTime As _<br>        FileTime, lpSystemTime As SYSTEMTIME) As Long<br>Private Declare Function SystemTimeToFileTime Lib "kernel32" (lpSystemTime As _<br>        SYSTEMTIME, lpFileTime As FileTime) As Long<br>        <br>Private Declare Function SetFileTime Lib "kernel32" (ByVal hFile As Long, _<br>        lpCreationTime As FileTime, lpLastAccessTime As FileTime, _<br>        lpLastWriteTime As FileTime) As Long<br>Private Declare Function GetFileTime Lib "kernel32" (ByVal hFile As Long, _<br>        lpCreationTime As FileTime, lpLastAccessTime As FileTime, _<br>        lpLastWriteTime As FileTime) As Long<p>Const OFS_MAXPATHNAME = 128<br>Const OF_READ = &H0<br>Dim FileHandle As Long<p>Private lpReOpenBuff As OFSTRUCT<br>Private Type OFSTRUCT<br>    cBytes As Byte<br>    fFixedDisk As Byte<br>    nErrCode As Integer<br>    Reserved1 As Integer<br>    Reserved2 As Integer<br>    szPathName(OFS_MAXPATHNAME) As Byte<br>End Type<p>Private ft As SYSTEMTIME<br>Private Type SYSTEMTIME<br>     wYear As Integer<br>     wMonth As Integer<br>     wDayOfWeek As Integer<br>     wDay As Integer<br>     wHour As Integer<br>     wMinute As Integer<br>     wSecond As Integer<br>     wMilliseconds As Integer<br>End Type<p>Private Type FileTime<br>     dwLowDateTime As Long<br>     dwHighDateTime As Long<br>End Type<p>'更改档案时间资讯<br>Private Sub Command1_Click()<br>Dim cre As FileTime '建立<br>Dim acc As FileTime '修改<br>Dim wri As FileTime '存取<br>Dim myfile As String '测试档案<br>        myfile = "f:\0000.txt"<br>        FileHandle = OpenFile(myfile, lpReOpenBuff, OF_READ) '先取得 File 的 Handle<br>        '这里要如何写呢?<br>        '我试了很多方法,可是档案的时间仍没有改变...<br>        Call SetFileTime(FileHandle, cre, acc, wri) '更改时间资料<br>        Call CloseHandle(FileHandle)<br>End Sub<p>'取得档案时间资讯<br>Private Sub Command2_Click()<br>Dim cre As FileTime '建立<br>Dim acc As FileTime '修改<br>Dim wri As FileTime '存取<br>Dim mycr As Date '格林威治时间<br>Dim myfile As String '测试档案<br>        myfile = "f:\0000.txt"<br>        FileHandle = OpenFile(myfile, lpReOpenBuff, OF_READ) '取得 File 的 Handle<br>        Call GetFileTime(FileHandle, cre, acc, wri) '取得时间资料<br>        Call CloseHandle(FileHandle)<br>        Call FileTimeToSystemTime(cre, ft) '转换时间资料结构<br>        mycr = DateSerial(ft.wYear, ft.wMonth, ft.wDay) + _<br>               TimeSerial(ft.wHour, ft.wMinute, ft.wSecond) '转换时间格式<br>        MsgBox mycr<br>End Sub
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<!--top: 4661--><li><a href="4661.html">Re: 请【笑儿】进来看看好吗?^_^..</a> <b>笑儿</b> <i>17:56:22 8/12/98</i>
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<!--top: 4672--><li><a href="4672.html">CreateFile 和 OpenFile 的不同?</a> <b>小顺子</b> <i>04:44:35 8/13/98</i>
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<!--top: 4673--><li><a href="4673.html">Re: CreateFile 和 OpenFile 的不同?</a> <b>笑儿</b> <i>05:09:11 8/13/98</i>
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