Declare Sub GetSystemTimeAsFileTime Lib "kernel32.dll" (lpSystemTimeAsFileTime As FILETIME)
GetSystemTimeAsFileTime retrieves the current system date and time and places it into a FILETIME structure. The system time is always reported in UTC time (Coordinated Universal Time, a.k.a. Greenwich Mean Time (GMT)).
GetSystemTimeAsFileTime does not return a value.
None.
' This code is licensed according to the terms and conditions listed here. ' Set the modification time of C:\MyApp\test.txt to ' the current system date and time. Leave the other times as they ' were before calling the function. Dim hFile As Long ' handle to the opened file Dim ctime As FILETIME ' the time of creation Dim atime As FILETIME ' the time of last access Dim mtime As FILETIME ' the time of last modification Dim retval As Long ' return value ' First, open the file C:\MyApp\test.txt for both read-level and ' write-level access, since we need to do both. hFile = CreateFile("C:\MyApp\test.txt", GENERIC_READ Or GENERIC_WRITE, FILE_SHARE_READ, ByVal CLng(0), OPEN_EXISTING, FILE_ATTRIBUTE_ARCHIVE, 0) If hFile = -1 Then Debug.Print "Could not open the file successfully -- aborting." End ' terminate the program End If ' Next, get the creation, last-access, and last-modification times. retval = GetFileTime(hFile, ctime, atime, mtime) ' Get the system time (already in UTC) as a FILETIME structure. GetSystemTimeAsFileTime mtime ' Set the retrieved creation and access times and the new modification ' time as the file's times. retval = SetFileTime(hFile, ctime, atime, mtime) ' Close the file to free up resources. retval = CloseHandle(hFile)
GetSystemTime
Time
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Last Modified: October 2, 1999
This page is copyright © 1999 Paul Kuliniewicz. Copyright Information Revised October 29, 2000
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