Check to see if word document is already open or read only

In a previous post about opening a word document and putting it in to a text box to 'preview' the content I came across a function on Ryan McCormick website I've started to tweak this for my own requirements.

Code:

---

Function getPreviewWordDocText(iFile) As String


    Dim oWord As Object
    Dim oWdoc As Object
    Dim docContent As String
    Dim numChar As Long
    ' Initialize Word Objects
On Error GoTo Errhandler
    Set oWord = CreateObject("Word.Application")
    Set oWdoc = oWord.Documents.Open(iFile)
    ' Count number of characters in document
        numChar = oWdoc.Characters.Count
    ' If greater than 750 then select first 750 to preview.
        If numChar >= 750 Then
            docContent = oWdoc.Range(0, 750)
        Else
    ' If less than 750 select all characters to preview
            docContent = oWdoc.Content
        End If
    ' Return Document Content
        getPreviewWordDocText = docContent
    ' Completed go to clean up
    GoTo ExitMacro


Errhandler:
    Select Case Err
        Case 4608:
            ErrMsg = "There is an error with the file you are previewing" & _
              "Press OK to continue"
            Result = MsgBox(ErrMsg, vbOKOnly)
            GoTo ExitMacro
        Case Else:
            MsgBox "Error in preview macro # " & Err & " : " & Error(Err)
            GoTo ExitMacro
        End Select
ExitMacro:
    ' Clear Memory
    oWdoc.Close
    oWord.Quit
    Set oWdoc = Nothing
    Set oWord = Nothing
End Function

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I've added in a character count a if there's less than the selected number of characters it crashes (hence the added error handler) so added the if statement to sort that issue.

My main issue is now sometimes when opening the word document to count / read the text it waits in the background for a open read only / close / etc box if the word document is either open already or has not closed down correctly and someone still has it 'open'.

I've tried to play with opening it read only (as that all I need anyway) but not had any luck, should I be checking first to see if its open or can I just force open read only? Or should I be doing something completely different?

Changing:

oWord.Documents.Open(iFile)

To
oWord.Documents.Open(iFile, , True)

seems to work.

Great, just tried it and it worked.

Thank you Greg.

I would change the code to:

Code:

---

Sub Test()
  MsgBox fcnGetPreviewWordDocText("D:\Test.docm")
End Sub
Function fcnGetPreviewWordDocText(strFileName) As String
Dim oWord As Object
Dim oDoc As Object
Dim bIsRunning As Boolean
  bIsRunning = False
  On Error Resume Next
  Set oWord = GetObject(, "Word.Application")
  If Err.Number <> 0 Then
    Set oWord = CreateObject("Word.Application")
  Else
    bIsRunning = True
  End If
  Set oDoc = oWord.Documents.Open(strFileName, , True)
  If oDoc.Characters.Count > 750 Then
    fcnGetPreviewWordDocText = oDoc.Range(0, 750)
  Else
    fcnGetPreviewWordDocText = oDoc.Content
  End If
lbl_Exit:
  oDoc.Close
  If Not bIsRunning Then oWord.Quit
  Exit Function
End Function

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Excellent... was just starting to look at opening the document in the same instance of word to speed it up. That has speeded up the macro no end. The screen did flicker around even with various Application.ScreenUpdating = False' in the code so had a look at the Documents.Open method and changed it to:

Code:

---

Set oDoc = oWord.Documents.Open(strFileName, , True, False, , , , , , , , False)

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That has then sorted out that. Thank you so much Greg.

or to make that crystal clear:

.Open(FileName:=strFileName, ReadOnly:=True, AddToRecentFiles:=False, Visible:=False)

Great. thank you.