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'Get File information by it's Handle using GetFileInformationByHandle API

Karthikeyan  (187 Submissions)   Windows API Call/Explanation   Visual Basic 5.0   Unknown Difficulty   Tue 23rd January 2001   Mon 8th February 2021

'Get File information by it's Handle using GetFileInformationByHandle API

API Declarations


Private Const OF_READWRITE = &H2
Private Const OF_REOPEN = &H8000
Private Const OF_SHARE_COMPAT = &H0
Private Const OF_SHARE_DENY_NONE = &H40
Private Const OF_SHARE_DENY_READ = &H30
Private Const OF_SHARE_DENY_WRITE = &H20
Private Const OF_SHARE_EXCLUSIVE = &H10
Private Const OF_VERIFY = &H400
Private Const OF_WRITE = &H1
Private Const OFS_MAXPATHNAME = 128
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 Type FILETIME
dwLowDateTime As Long
dwHighDateTime As Long
End Type
Private Type BY_HANDLE_FILE_INFORMATION
dwFileAttributes As Long
ftCreationTime As FILETIME
ftLastAccessTime As FILETIME
ftLastWriteTime As FILETIME
dwVolumeSerialNumber As Long
nFileSizeHigh As Long
nFileSizeLow As Long
nNumberOfLinks As Long
nFileIndexHigh As Long
nFileIndexLow As Long
End Type
Private Type OFSTRUCT
cBytes As Byte
fFixedDisk As Byte
nErrCode As Integer
Reserved1 As Integer
Reserved2 As Integer
szPathName(OFS_MAXPATHNAME) As Byte
End Type
Private Declare Function GetFileInformationByHandle Lib "kernel32" (ByVal hfile As Long, lpFileInformation As BY_HANDLE_FILE_INFORMATION) 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 Declare Function OpenFile Lib "kernel32" (ByVal lpFileName As String, lpReOpenBuff As OFSTRUCT, ByVal wStyle As Long) As Long
Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long

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