I have the following code from Xcelfiles.com but I cant get it to show the username of the person who has the file open.
environ obviously wont work as *Im* running the macro!!

It does tell me that the file is open, but not by who!!



'--------- code start --------------
Option Explicit

'===========================================
'http://www.xcelfiles.com/IsFileOpenVBA.htm
'===========================================

Sub TestVBA()
'// Just change the file to test here
Const strFileToOpen As String = "\\servername\path\documentopen.dot"

If IsFileOpen(strFileToOpen) Then
MsgBox strFileToOpen & " is already Open" & _
vbCrLf & "By " & LastUser(strFileToOpen), vbInformation, "File in Use"
Else
MsgBox strFileToOpen & " is not open", vbInformation
End If
End Sub

Function IsFileOpen(strFullPathFileName As String) As Boolean
'// VBA version to check if File is Open
'// We can use this for ANY FILE not just Excel!
'// Ivan F Moala
'// http://www.xcelfiles.com
Dim hdlFile As Long

'// Error is generated if you try
'// opening a File for ReadWrite lock >> MUST BE OPEN!
On Error GoTo FileIsOpen:
hdlFile = FreeFile
Open strFullPathFileName For Random Access Read Write Lock Read Write As hdlFile
IsFileOpen = False
Close hdlFile
Exit Function
FileIsOpen:
'// Someone has it open!
IsFileOpen = True
Close hdlFile
End Function

Private Function LastUser(strPath As String) As String
'// Code by Helen from http://www.visualbasicforum.com/index.php?s=
'// This routine gets the Username of the File In Use
'// Credit goes to Helen for code & Mark for the idea
'// Insomniac for xl97 inStrRev
'// Amendment 25th June 2004 by IFM
'// : Name changes will show old setting
'// : you need to get the Len of the Name stored just before
'// : the double Padded Nullstrings
Dim strXl As String
Dim strFlag1 As String, strflag2 As String
Dim i As Integer, j As Integer
Dim hdlFile As Long
Dim lNameLen As Byte


strFlag1 = Chr(0) & Chr(0)
strflag2 = Chr(32) & Chr(32)

hdlFile = FreeFile
Open strPath For Binary As #hdlFile
strXl = Space(LOF(hdlFile))
Get 1, , strXl
Close #hdlFile

j = InStr(1, strXl, strflag2)

#If Not VBA6 Then
'// Xl97
For i = j - 1 To 1 Step -1
If Mid(strXl, i, 1) = Chr(0) Then Exit For
Next
i = i + 1
#Else
'// Xl2000+
i = InStrRev(strXl, strFlag1, j) + Len(strFlag1)
#End If

'// IFM
lNameLen = Asc(Mid(strXl, i - 3, 1))
LastUser = Mid(strXl, i, lNameLen)

End Function
' --------- code end ------------