verinfo.bas

Option Explicit

Public Filename As String
Public StrucVer As String
Public FileVer As String
Public ProdVer As String
Public FileFlags As String
Public FileOS As String
Public FileType As String
Public FileSubType As String

Private Type VS_FIXEDFILEINFO
   dwSignature As Long
   dwStrucVersionl As Integer     '  e.g. = &h0000 = 0
   dwStrucVersionh As Integer     '  e.g. = &h0042 = .42
   dwFileVersionMSl As Integer    '  e.g. = &h0003 = 3
   dwFileVersionMSh As Integer    '  e.g. = &h0075 = .75
   dwFileVersionLSl As Integer    '  e.g. = &h0000 = 0
   dwFileVersionLSh As Integer    '  e.g. = &h0031 = .31
   dwProductVersionMSl As Integer '  e.g. = &h0003 = 3
   dwProductVersionMSh As Integer '  e.g. = &h0010 = .1
   dwProductVersionLSl As Integer '  e.g. = &h0000 = 0
   dwProductVersionLSh As Integer '  e.g. = &h0031 = .31
   dwFileFlagsMask As Long        '  = &h3F for version "0.42"
   dwFileFlags As Long            '  e.g. VFF_DEBUG Or VFF_PRERELEASE
   dwFileOS As Long               '  e.g. VOS_DOS_WINDOWS16
   dwFileType As Long             '  e.g. VFT_DRIVER
   dwFileSubtype As Long          '  e.g. VFT2_DRV_KEYBOARD
   dwFileDateMS As Long           '  e.g. 0
   dwFileDateLS As Long           '  e.g. 0
End Type

Private Declare Function GetFileVersionInfo Lib "Version.dll" Alias _
   "GetFileVersionInfoA" (ByVal lptstrFilename As String, ByVal _
   dwhandle As Long, ByVal dwlen As Long, lpData As Any) As Long

Private Declare Function GetFileVersionInfoSize Lib "Version.dll" Alias _
   "GetFileVersionInfoSizeA" (ByVal lptstrFilename As String, _
   lpdwHandle As Long) As Long

Private Declare Function VerQueryValue Lib "Version.dll" Alias _
   "VerQueryValueA" (pBlock As Any, ByVal lpSubBlock As String, _
   lplpBuffer As Any, puLen As Long) As Long

Private Declare Sub MoveMemory Lib "kernel32" Alias "RtlMoveMemory" _
   (dest As Any, ByVal Source As Long, ByVal length As Long)

Private Declare Function GetSystemDirectory Lib "kernel32" Alias _
   "GetSystemDirectoryA" (ByVal Path As String, _
                          ByVal cbBytes As Long) As Long

' ===== From Win32 Ver.h =================
' ----- VS_VERSION.dwFileFlags -----
Private Const VS_FFI_SIGNATURE = &HFEEF04BD
Private Const VS_FFI_STRUCVERSION = &H10000
Private Const VS_FFI_FILEFLAGSMASK = &H3F&

' ----- VS_VERSION.dwFileFlags -----
Private Const VS_FF_DEBUG = &H1
Private Const VS_FF_PRERELEASE = &H2
Private Const VS_FF_PATCHED = &H4
Private Const VS_FF_PRIVATEBUILD = &H8
Private Const VS_FF_INFOINFERRED = &H10
Private Const VS_FF_SPECIALBUILD = &H20

' ----- VS_VERSION.dwFileOS -----
Private Const VOS_UNKNOWN = &H0
Private Const VOS_DOS = &H10000
Private Const VOS_OS216 = &H20000
Private Const VOS_OS232 = &H30000
Private Const VOS_NT = &H40000

Private Const VOS__BASE = &H0
Private Const VOS__WINDOWS16 = &H1
Private Const VOS__PM16 = &H2
Private Const VOS__PM32 = &H3
Private Const VOS__WINDOWS32 = &H4

Private Const VOS_DOS_WINDOWS16 = &H10001
Private Const VOS_DOS_WINDOWS32 = &H10004
Private Const VOS_OS216_PM16 = &H20002
Private Const VOS_OS232_PM32 = &H30003
Private Const VOS_NT_WINDOWS32 = &H40004

' ----- VS_VERSION.dwFileType -----
Private Const VFT_UNKNOWN = &H0
Private Const VFT_APP = &H1
Private Const VFT_DLL = &H2
Private Const VFT_DRV = &H3
Private Const VFT_FONT = &H4
Private Const VFT_VXD = &H5
Private Const VFT_STATIC_LIB = &H7

' ----- VS_VERSION.dwFileSubtype for VFT_WINDOWS_DRV -----
Private Const VFT2_UNKNOWN = &H0
Private Const VFT2_DRV_PRINTER = &H1
Private Const VFT2_DRV_KEYBOARD = &H2
Private Const VFT2_DRV_LANGUAGE = &H3
Private Const VFT2_DRV_DISPLAY = &H4
Private Const VFT2_DRV_MOUSE = &H5
Private Const VFT2_DRV_NETWORK = &H6
Private Const VFT2_DRV_SYSTEM = &H7
Private Const VFT2_DRV_INSTALLABLE = &H8
Private Const VFT2_DRV_SOUND = &H9
Private Const VFT2_DRV_COMM = &HA

Public Function LoadVerInfo(ByVal sFileName As String) As Boolean
   Dim rc                As Long
   Dim lDummy            As Long
   Dim sBuffer()         As Byte
   Dim lBufferLen        As Long
   Dim lVerPointer       As Long
   Dim udtVerBuffer      As VS_FIXEDFILEINFO
   Dim lVerbufferLen     As Long

   '*** Initialize ****
   LoadVerInfo = False
   Filename = sFileName

   '*** Get size ****
   lBufferLen = GetFileVersionInfoSize(Filename, lDummy)
   If lBufferLen < 1 Then
      Exit Function
   End If

   '**** Store info to udtVerBuffer struct ****
   ReDim sBuffer(lBufferLen)
   rc = GetFileVersionInfo(Filename, 0&, lBufferLen, sBuffer(0))
   rc = VerQueryValue(sBuffer(0), "\", lVerPointer, lVerbufferLen)
   MoveMemory udtVerBuffer, lVerPointer, Len(udtVerBuffer)

   '**** Determine Structure Version number - NOT USED ****
   StrucVer = Format$(udtVerBuffer.dwStrucVersionh) & "." & _
      Format$(udtVerBuffer.dwStrucVersionl)

   '**** Determine File Version number ****
   FileVer = Format$(udtVerBuffer.dwFileVersionMSh) & "." & _
      Format$(udtVerBuffer.dwFileVersionMSl) & "." & _
      Format$(udtVerBuffer.dwFileVersionLSh) & "." & _
      Format$(udtVerBuffer.dwFileVersionLSl)

   '**** Determine Product Version number ****
   ProdVer = Format$(udtVerBuffer.dwProductVersionMSh) & "." & _
      Format$(udtVerBuffer.dwProductVersionMSl) & "." & _
      Format$(udtVerBuffer.dwProductVersionLSh) & "." & _
      Format$(udtVerBuffer.dwProductVersionLSl)

   '**** Determine Boolean attributes of File ****
   FileFlags = ""
   If udtVerBuffer.dwFileFlags And VS_FF_DEBUG _
      Then FileFlags = "Debug "
   If udtVerBuffer.dwFileFlags And VS_FF_PRERELEASE _
      Then FileFlags = FileFlags & "PreRel "
   If udtVerBuffer.dwFileFlags And VS_FF_PATCHED _
      Then FileFlags = FileFlags & "Patched "
   If udtVerBuffer.dwFileFlags And VS_FF_PRIVATEBUILD _
      Then FileFlags = FileFlags & "Private "
   If udtVerBuffer.dwFileFlags And VS_FF_INFOINFERRED _
      Then FileFlags = FileFlags & "Info "
   If udtVerBuffer.dwFileFlags And VS_FF_SPECIALBUILD _
      Then FileFlags = FileFlags & "Special "
   If udtVerBuffer.dwFileFlags And VFT2_UNKNOWN _
      Then FileFlags = FileFlags + "Unknown "

   '**** Determine OS for which file was designed ****
   Select Case udtVerBuffer.dwFileOS
      Case VOS_DOS_WINDOWS16
        FileOS = "DOS-Win16"
      Case VOS_DOS_WINDOWS32
        FileOS = "DOS-Win32"
      Case VOS_OS216_PM16
        FileOS = "OS/2-16 PM-16"
      Case VOS_OS232_PM32
        FileOS = "OS/2-16 PM-32"
      Case VOS_NT_WINDOWS32
        FileOS = "NT-Win32"
      Case Else
        FileOS = "Unknown"
   End Select
   Select Case udtVerBuffer.dwFileType
      Case VFT_APP
         FileType = "App"
      Case VFT_DLL
         FileType = "DLL"
      Case VFT_DRV
         FileType = "Driver"
         Select Case udtVerBuffer.dwFileSubtype
            Case VFT2_DRV_PRINTER
               FileSubType = "Printer drv"
            Case VFT2_DRV_KEYBOARD
               FileSubType = "Keyboard drv"
            Case VFT2_DRV_LANGUAGE
               FileSubType = "Language drv"
            Case VFT2_DRV_DISPLAY
               FileSubType = "Display drv"
            Case VFT2_DRV_MOUSE
               FileSubType = "Mouse drv"
            Case VFT2_DRV_NETWORK
               FileSubType = "Network drv"
            Case VFT2_DRV_SYSTEM
               FileSubType = "System drv"
            Case VFT2_DRV_INSTALLABLE
               FileSubType = "Installable"
            Case VFT2_DRV_SOUND
               FileSubType = "Sound drv"
            Case VFT2_DRV_COMM
               FileSubType = "Comm drv"
            Case VFT2_UNKNOWN
               FileSubType = "Unknown"
         End Select
      Case VFT_FONT
         FileType = "Font"
'         Select Case udtVerBuffer.dwFileSubtype
'            Case VFT_FONT_RASTER
'               FileSubType = "Raster Font"
'            Case VFT_FONT_VECTOR
'               FileSubType = "Vector Font"
'            Case VFT_FONT_TRUETYPE
'               FileSubType = "TrueType Font"
'         End Select
      Case VFT_VXD
         FileType = "VxD"
      Case VFT_STATIC_LIB
         FileType = "Lib"
      Case Else
         FileType = "Unknown"
   End Select

   LoadVerInfo = True
End Function

Sub Main()
  Dim sFileName
  Dim sMsg

  sFileName = Environ("SYSTEMROOT") & "\System32\ntdll.dll"
  If Not LoadVerInfo(sFileName) Then
    MsgBox "Version informations not available", vbOKOnly + vbExclamation, "Version Info"
    Exit Sub
  End If

  sMsg = "Filename " & sFileName & vbCrLf & _
         "File version " & FileVer & vbCrLf & _
         "Product version " & ProdVer & vbCrLf

  MsgBox sMsg, vbOKOnly + vbInformation, "Version Info"
End Sub