by Stevan Mitrovic (2 Submissions)
Category: Windows API Call/Explanation
Compatability: VB 6.0
Difficulty: Unknown Difficulty
Originally Published: Thu 3rd March 2005
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
File properties information. This application displays a file's "properties" information. It also contains a really cool form resize routine
API Declarations
'================================================
'You will need the following controls in your form, one Common Dialog box (CommonDialog1),
'one Command Button (Command1) - set its caption property to "Get file properties", one
'Check Box (Check1) - set its caption property to "Show Msgbox" and place it next to the
'Command Button, one Text box (Text1) positioned below the Comand Button and chekbox,
'and finally one List box (List1) positioned below the textbox.
'
'To add the CommonDialog control, click on "Project" in the menu and select "Components..."
'from the drop down list. A Components window should be open in front of you, within the
'"control" tab find "Microsoft CommonDialog Control 6.0 (SP3)" in the list, select it and
'click on "OK". You should now see a new icon added to your components tab bar on the left.
'drag this new item onto your form. Now you will have a CommonDialog box at your disposal.
'You can place it anywhere on your form, because its invisible when you run your application.
'
'You will also have to create a class module to your project. Right click in the
'"Project - FileProperties" window in the upper right corner and select "Add" from the
'popup menu. Then select "Class module" within the sub menu. A new window should popup
'called "Add Class Module" accept the default selection by clicking "Open". You should
'now see a "Class Modules" folder added to your project with a "Class1.cls" in it. Copy
'and paste all the code marked "CLASS1 BEGIN" to "CLASS1 END" into it. It will be at the
'bottom of this source code.
'
'Same applies for the form, copy all the code marked "FORM1 BEGIN" to "FORM1 END" and
'paste it into the "Form1" module.
'
'That's it, have fun with it!
VBcoders
'This application displays a file's "properties" information
'It also contains a really cool form resize routine written by
'someone else and slightly modified by me to give extra functionality.
'Follow these instruction to get up and runnning:
'================================================
'You will need the following controls in your form, one Common Dialog box (CommonDialog1),
'one Command Button (Command1) - set its caption property to "Get file properties", one
'Check Box (Check1) - set its caption property to "Show Msgbox" and place it next to the
'Command Button, one Text box (Text1) positioned below the Comand Button and chekbox,
'and finally one List box (List1) positioned below the textbox.
'
'To add the CommonDialog control, click on "Project" in the menu and select "Components..."
'from the drop down list. A Components window should be open in front of you, within the
'"control" tab find "Microsoft CommonDialog Control 6.0 (SP3)" in the list, select it and
'click on "OK". You should now see a new icon added to your components tab bar on the left.
'drag this new item onto your form. Now you will have a CommonDialog box at your disposal.
'You can place it anywhere on your form, because its invisible when you run your application.
'
'You will also have to create a class module to your project. Right click in the
'"Project - FileProperties" window in the upper right corner and select "Add" from the
'popup menu. Then select "Class module" within the sub menu. A new window should popup
'called "Add Class Module" accept the default selection by clicking "Open". You should
'now see a "Class Modules" folder added to your project with a "Class1.cls" in it. Copy
'and paste all the code marked "CLASS1 BEGIN" to "CLASS1 END" into it. It will be at the
'bottom of this source code.
'
'Same applies for the form, copy all the code marked "FORM1 BEGIN" to "FORM1 END" and
'paste it into the "Form1" module.
'
'That's it, have fun with it!
'FORM1 BEGIN ----------------------------------------------------------
'WinApi calls
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
'Initializing an instance of the form resize class module.
Private ClassResize As New Class1
Private Sub ShowFileProperties(ByVal strFileName As String)
Dim oFSO As Object, oF As Object
Dim sInfo As String, lSizeof As Long
Dim lResult As Long, iDelim As Integer, n As Integer, lHandle As Long
Dim iCompName As Integer, iFileDesc As Integer, iFileVer As Integer, iIntlName As Integer
Dim iLegalCopy As Integer, iOrgFileName As Integer, iProdName As Integer, iProdVer As Integer
Dim iComments As Integer, iVarFileInfo As Integer
List1.Clear
lHandle = 0
Set oFSO = CreateObject("Scripting.FileSystemObject")
If (oFSO.FileExists(strFileName)) Then
Set oF = oFSO.GetFile(strFileName)
List1.AddItem "DateCreated: " & vbTab & oF.DateCreated
List1.AddItem "Name: " & vbTab & oF.Name
List1.AddItem "DateLastAcc: " & vbTab & oF.DateLastAccessed
List1.AddItem "DateLastMod: " & vbTab & oF.DateLastModified
List1.AddItem "ParentFolder: " & vbTab & oF.ParentFolder
List1.AddItem "Path: " & vbTab & oF.Path
List1.AddItem "ShortName: " & vbTab & oF.ShortName
List1.AddItem "ShortPath: " & vbTab & oF.ShortPath
temp = oFSO.GetFileVersion(strFileName)
If Len(temp) Then
GetVersion = temp
Else
GetVersion = "No version information available."
End If
List1.AddItem "GetVersion: " & vbTab & GetVersion
End If
List1.AddItem ""
List1.AddItem ""
'Getting the length of string to be retrieved.
lSizeof = GetFileVersionInfoSize(strFileName, lHandle)
If lSizeof > 0 Then
'Creating a buffer filled with nothing in it, to be populated using the GetFileVersionInfo winapi call.
sInfo = String$(lSizeof, 0)
lResult = GetFileVersionInfo(ByVal strFileName, ByVal lHandle, ByVal lSizeof, ByVal sInfo)
If lResult Then
Dim iCounter As Integer, szChar As String
'Removing most of the garbage characters from the returned string.
For iCounter = 1 To Len(sInfo)
szTest = Mid(sInfo, iCounter, 1)
sziTest = Asc(Mid(sInfo, iCounter, 1))
'Replacing any garbage characters with a blank space, but leaving the section terminating character "1" behind to key off of.
If ((Asc(Mid(sInfo, iCounter, 1)) > 44) And (Asc(Mid(sInfo, iCounter, 1)) < 122)) Or (Asc(Mid(sInfo, iCounter, 1)) = 1) Then
szChar = szChar & Mid(sInfo, iCounter, 1)
iSpcCnt = 0
Else
If ((iSpcCnt > 1) And (iSpcCnt Mod 2 = 0) And (Asc(Mid(sInfo, iCounter, 1)) = 0)) Then
szChar = szChar & " "
iSpcCnt = 0
End If
iSpcCnt = iSpcCnt + 1
End If
Next iCounter
'Option to show the entire return string in a pop-up message box.
If Check1.Value = 1 Then MsgBox szChar
'Parsing out the values for each of the associated search string.
'COMPANY NAME
iStart = InStr(LCase(szChar), LCase("CompanyName"))
If (iStart > 0) Then
iStart = iStart + 13
iEnd = InStr(iStart, LCase(szChar), Chr$(1)) - 2
List1.AddItem "CompanyName: " & vbTab & Mid$(szChar, iStart, iEnd - iStart)
End If
'FILE DESCRIPTION
iStart = InStr(LCase(szChar), LCase("FileDescription"))
If (iStart > 0) Then
iStart = iStart + 17
iEnd = InStr(iStart, LCase(szChar), Chr$(1)) - 2
List1.AddItem "FileDescription: " & vbTab & Mid$(szChar, iStart, iEnd - iStart)
End If
'FILE VERSION
iStart = InStr(LCase(szChar), LCase("FileVersion"))
If (iStart > 0) Then
iStart = iStart + 13
iEnd = InStr(iStart, LCase(szChar), Chr$(1)) - 2
List1.AddItem "FileVersion: " & vbTab & Mid$(szChar, iStart, iEnd - iStart)
End If
'INTERNAL NAME
iStart = InStr(LCase(szChar), LCase("InternalName"))
If (iStart > 0) Then
iStart = iStart + 13
iEnd = InStr(iStart, LCase(szChar), Chr$(1)) - 2
List1.AddItem "InternalName: " & vbTab & Mid$(szChar, iStart, iEnd - iStart)
End If
'LEGAL COPYRIGHT
iStart = InStr(LCase(szChar), LCase("LegalCopyright"))
If (iStart > 0) Then
iStart = iStart + 15
iEnd = InStr(iStart, LCase(szChar), Chr$(1)) - 2
List1.AddItem "LegalCopyright: " & vbTab & Mid$(szChar, iStart, iEnd - iStart)
End If
'ORIGINAL FILE NAME
iStart = InStr(LCase(szChar), LCase("OriginalFileName"))
If (iStart > 0) Then
iStart = iStart + 17
iEnd = InStr(iStart, LCase(szChar), Chr$(1)) - 2
List1.AddItem "OriginalFileName: " & vbTab & Mid$(szChar, iStart, iEnd - iStart)
End If
'PRODUCT NAME
iStart = InStr(LCase(szChar), LCase("ProductName"))
If (iStart > 0) Then
iStart = iStart + 13
iEnd = InStr(iStart, LCase(szChar), Chr$(1)) - 2
List1.AddItem "ProductName: " & vbTab & Mid$(szChar, iStart, iEnd - iStart)
End If
'PRODUCT VERSION
iStart = InStr(LCase(szChar), LCase("ProductVersion"))
If (iStart > 0) Then
iStart = iStart + 15
iEnd = InStr(iStart, LCase(szChar), Chr$(1)) - 2
List1.AddItem "ProductVersion: " & vbTab & Mid$(szChar, iStart, iEnd - iStart)
End If
'COMMENTS
iStart = InStr(LCase(szChar), LCase("Comments"))
If (iStart > 0) Then
iStart = iStart + 9
iEnd = InStr(iStart, LCase(szChar), Chr$(1)) - 2
List1.AddItem "Comments: " & vbTab & Mid$(szChar, iStart, iEnd - iStart)
End If
'STRING FILE INFORMATION
iStart = InStr(LCase(szChar), LCase("StringFileInfo"))
If (iStart > 0) Then
iStart = iStart + 17
iEnd = InStr(iStart, LCase(szChar), Chr$(1)) - 2
List1.AddItem "StringFileInfo: " & vbTab & Mid$(szChar, iStart, iEnd - iStart)
End If
'LEGAL TRADEMARKS
iStart = InStr(LCase(szChar), LCase("LegalTrademarks"))
If (iStart > 0) Then
iStart = iStart + 17
iEnd = InStr(iStart, LCase(szChar), Chr$(1)) - 2
List1.AddItem "LegalTrademarks: " & vbTab & Mid$(szChar, iStart, iEnd - iStart)
End If
End If
End If
End Sub
Private Sub Command1_Click()
'Providing a search dialog box for the user to select the
'file that they wish to see the properties of.
CommonDialog1.ShowOpen
Text1.Text = CommonDialog1.FileName
ShowFileProperties Text1.Text
End Sub
Private Sub Form_Load()
'This specifies which elements within your form are allowed to
'move/resize in relation to the form/window being resized by the
'user.
With ClassResize
'Providing the dimensions of the form for scaling reference
'by the form resize class module.
.hParam = Form1.Height
.wParam = Form1.Width
.hScaleParam = Form1.ScaleHeight
.wScaleParam = Form1.ScaleWidth
'Instructing which form controls are movable/resizable with
'the form.
.Map Command1, RS_CenterOnWidth
.Map Check1, RS_LeftOnly
.Map Text1, RS_WidthOnly
.Map Frame1, RS_Height_Width
.Map List1, RS_Height_Width
End With
End Sub
Private Sub Form_Resize()
'This calls the form resize class module to move all the items
'specified in Form_Load() in relation to the forms current size
'in real time.
ClassResize.rSize Form1
End Sub
'FORM1 END ----------------------------------------------------------
'CLASS1 BEGIN ----------------------------------------------------------
'Key codes:
'1 -> top only
'2 -> left only
'3 -> top and left
'4 -> height only
'5 -> width only
'6 -> height and width
'7 -> center on width
'8 -> center on height
'9 -> center on width and height
'10 -> Move top position and center it on width
'11 -> Move left position and center on height
'-----------------------
Option Explicit
Enum eParams
RS_TopOnly = 1
RS_LeftOnly = 2
RS_Top_Left = 3
RS_HeightOnly = 4
RS_WidthOnly = 5
RS_Height_Width = 6
RS_CenterOnWidth = 7
RS_CenterOnHeight = 8
RS_CenterOnHeightWidth = 9
RS_Top_CenterOnWidth = 10
RS_Left_CenterOnHeight = 11
End Enum
Private Type cInfo
cControl As Control
cHeight As Integer
cWidth As Integer
cTop As Integer
cLeft As Integer
cInfo As Integer
cCntrWidth As Integer
cCntrHeight As Integer
End Type
Private cArray() As cInfo
Private Count As Integer
Private FormHeight As Integer
Private FormWidth As Integer
Private FormScaleHeight As Integer
Private FormScaleWidth As Integer
'/***************************************************************************************' Property: hParam(ByVal fh As Integer)
' Description: None.
' Parameters: None.
' Return Value: None.
'\***************************************************************************************/
Public Property Let hParam(ByVal fh As Integer)
FormHeight = fh
End Property
'/***************************************************************************************' Property: wParam(ByVal fw As Integer)
' Description: None.
' Parameters: None.
' Return Value: None.
'\***************************************************************************************/
Public Property Let wParam(ByVal fw As Integer)
FormWidth = fw
End Property
'/***************************************************************************************' Property: hScaleParam(ByVal fsh As Integer)
' Description: None.
' Parameters: None.
' Return Value: None.
'\***************************************************************************************/
Public Property Let hScaleParam(ByVal fsh As Integer)
FormScaleHeight = fsh
End Property
'/***************************************************************************************' Property: wScaleParam(ByVal fsw As Integer)
' Description: None.
' Parameters: None.
' Return Value: None.
'\***************************************************************************************/
Public Property Let wScaleParam(ByVal fsw As Integer)
FormScaleWidth = fsw
End Property
'/***************************************************************************************' Function: Map(rCont As Control, SizeInfo As eParams)
' Description: None.
' Parameters: None.
' Return Value: None.
'\***************************************************************************************/
Public Sub Map(rCont As Control, SizeInfo As eParams)
Count = Count + 1
ReDim Preserve cArray(Count)
Set cArray(Count).cControl = rCont
cArray(Count).cInfo = SizeInfo
Select Case SizeInfo
Case 1:
cArray(Count).cTop = FormHeight - rCont.Top
Case 2:
cArray(Count).cLeft = FormWidth - rCont.Left
Case 3:
cArray(Count).cTop = FormHeight - rCont.Top
cArray(Count).cLeft = FormWidth - rCont.Left
Case 4:
cArray(Count).cHeight = FormHeight - rCont.Height
Case 5:
cArray(Count).cWidth = FormWidth - rCont.Width
Case 6:
cArray(Count).cHeight = FormHeight - rCont.Height
cArray(Count).cWidth = FormWidth - rCont.Width
Case 7:
cArray(Count).cCntrWidth = FormWidth - (((FormWidth - rCont.Width) / 2) + rCont.Left)
Case 8:
cArray(Count).cCntrHeight = FormHeight - (((FormScaleWidth - rCont.Height) / 2) + rCont.Top)
Case 9:
cArray(Count).cCntrWidth = FormWidth - (((FormWidth - rCont.Width) / 2) + rCont.Left)
cArray(Count).cCntrHeight = FormHeight - (((FormScaleWidth - rCont.Height) / 2) + rCont.Top)
Case 10:
cArray(Count).cTop = FormHeight - rCont.Top
cArray(Count).cCntrWidth = FormWidth - (((FormWidth - rCont.Width) / 2) + rCont.Left)
Case 11:
cArray(Count).cLeft = FormWidth - rCont.Left
cArray(Count).cCntrHeight = FormHeight - (((FormScaleWidth - rCont.Height) / 2) + rCont.Top)
Case Else:
Exit Sub
End Select
End Sub
'/***************************************************************************************' Function: rSize(cForm As Form)
' Description: None.
' Parameters: None.
' Return Value: None.
'\***************************************************************************************/
Public Sub rSize(cForm As Form)
On Error Resume Next
Dim i As Integer, a As Integer, b As Integer
For i = 1 To Count
Select Case cArray(i).cInfo
Case 1:
cArray(i).cControl.Top = cForm.Height - cArray(i).cTop
Case 2:
cArray(i).cControl.Left = cForm.Width - cArray(i).cLeft
Case 3:
cArray(i).cControl.Top = cForm.Height - cArray(i).cTop
cArray(i).cControl.Left = cForm.Width - cArray(i).cLeft
Case 4:
b = cForm.Height - cArray(i).cHeight
If b < 0 Then b = 0
cArray(i).cControl.Height = b
Case 5:
a = cForm.Width - cArray(i).cWidth
If a < 0 Then a = 0
cArray(i).cControl.Width = a
Case 6:
a = cForm.Width - cArray(i).cWidth
b = cForm.Height - cArray(i).cHeight
If a < 0 Then a = 0
If b < 0 Then b = 0
cArray(i).cControl.Height = b
cArray(i).cControl.Width = a
Case 7:
cArray(i).cControl.Left = (cForm.Width - cArray(i).cCntrWidth) / 2
Case 8:
cArray(i).cControl.Top = (cForm.Height - cArray(i).cCntrHeight) / 2
Case 9:
cArray(i).cControl.Left = (cForm.Width - cArray(i).cCntrWidth) / 2
cArray(i).cControl.Top = (cForm.Height - cArray(i).cCntrHeight) / 2
Case 10:
cArray(i).cControl.Top = cForm.Height - cArray(i).cTop
cArray(i).cControl.Left = (cForm.Width - cArray(i).cCntrWidth) / 2
Case 11:
cArray(i).cControl.Left = cForm.Width - cArray(i).cLeft
cArray(i).cControl.Top = (cForm.Height - cArray(i).cCntrHeight) / 2
End Select
Next
Exit Sub
End Sub
'CLASS1 END ----------------------------------------------------------
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