For do that, you need to know the unique value on each computer to
determine that the file was used on another computer.
Something that will unique on every computer is Hardisk SN
Private Sub Workbook_Open()
Dim MySN, CurrentSN As String
MySN = "1409978829" 'Your Current Hardisk Serial Number
CurrentSN =
CreateObject("Scripting.FileSystemObject").GetDrive(Left(Application.Path,
1) & ":\").SerialNumber
If MySN <> CurrentSN Then
MsgBox "Unautorized Access"
'....place your code to do next in here while unauthorized
access detected...
End If
End Sub
Pada 16/06/2013 1:33, sunil lobo menulis:
hi all
can anybody suggest a vb code or a macro to a excel file the moment it
is opened it can check on the usage of the file or it can stop from
further use until it is being given permission by the creator of the file
basically it should not be copied and if copied from one computer to
the other, it should have a restriction to limited time frame say
month, day, time or limited number of days
until the user contacts the creator of the file
your sugesstion and feedback well apprecitated sample file can be sent
if required
Regards
Sunil Lobo
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