Author | Page created on | Page updated on |
Jacques Paris | 21.03.03 |
DLL calls used by this example |
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Type FILETIME dwLowDateTime As Integer dwHighDateTime As Integer End Type
Type SYSTEMTIME wYear As Smallint wMonth As Smallint wDayOfWeek As Smallint wDay As Smallint wHour As Smallint wMinute As Smallint wSecond As Smallint wMilliseconds As Smallint End Type
Type SECURITY_ATTRIBUTES nLength As Integer lpSecurityDescriptor As Integer bInheritHandle As Logical End Type
Declare Function CreateFile Lib "kernel32.dll" Alias "CreateFileA" ( ByVal lpFileName As String, ByVal dwDesiredAccess As Integer, ByVal dwShareMode As Integer, lpSecurityAttributes As SECURITY_ATTRIBUTES, ByVal dwCreationDisposition As Integer, ByVal dwFlagsAndAttributes As Integer, ByVal hTemplateFile As Integer) As Integer
Declare Function CloseHandle Lib "kernel32.dll" ( ByVal hObject As Integer) As Integer
Declare Function FileTimeToLocalFileTime Lib "kernel32.dll" ( lpFileTime As FILETIME, lpLocalFileTime As FILETIME) As integer
Declare Function FileTimeToSystemTime Lib "kernel32.dll" ( lpFileTime As FILETIME, lpSystemTime As SYSTEMTIME) As Integer
Declare Function GetFileTime Lib "kernel32.dll" ( ByVal hFile As Integer, lpCreationTime As FILETIME, lpLastAccessTime As FILETIME, lpLastWriteTime As FILETIME) As Integer
'================================================================= Dim hFile As Integer ' handle to the opened file Dim ctime As FILETIME ' receives time of creation Dim atime As FILETIME ' receives time of last access Dim mtime As FILETIME ' receives time of last modification Dim thetime As SYSTEMTIME ' used to manipulate the time Dim retval As Integer ' return value dim a_sec as Security_Attributes 'required for the createfile function dim afile as string 'to hold the file path/name
' Get the handle for the file afile=fileopendlg("","","","File to query") if afile="" then exit sub end if hFile = CreateFile(afile, &H80000000, &H1, a_sec, 3, &H20, 0) If hFile = -1 Then Print "Could not open the file successfully -- aborting." Exit sub End If
' Get the creation, last-access, and last-modification times. retval = GetFileTime(hFile, ctime, atime, mtime)
' Convert the creation time to the local time zone. To get last-access ' last-modification, repeat the conversion for each 'time' retval = FileTimeToLocalFileTime (ctime, ctime)
' Convert the FILETIME format to the SYSTEMTIME format. retval = FileTimeToSystemTime (ctime, thetime)
' Display the date and time of creation of the file Note afile+chr$(10)+"was created on "+str$(thetime.wMonth)+ "-"+ thetime.wDay+ "-"+ thetime.wYear +" at "+str$(thetime.wHour)+":"+str$(thetime.wMinute)+":"+str$(thetime.wSecond)
' Close the file to free up resources. retval = CloseHandle(hFile) |
Comments: |
Returns the create date/time of a single file. For complete info on other dates/times and size of a single file or a set of files see the File_Set_Info example |