What you're doing is grouping sheets for export to PDF. The way you're
doing it includes Sheets("Tables") if it happens to be the active sheet
when you start 'selecting' other sheets using the 'Replace' arg. This
adds other sheets to the group. Works ok if what you want to do is
include the active sheet, but there's a better way to group sheets
where you can specify which sheets to include OR exclude.


'''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''
' GroupSheets()
' This procedure requires only the necessary amount of coding be used
' in the Caller. By default, it requires passing only the first arg.
' Use Example: GroupSheets "Sheet1,Sheet3"
' creates a group of only those sheets.
' To group all sheets in a workbook except those sheets:
' GroupSheets "Sheet1,Sheet3", False
' To group all sheets in a workbook pass an empty string:
' GroupSheets "", False
' You can pass the Wkb arg to specify any open workbook.
' (The Wkb doesn't need to be active for this purpose)
'''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''
Public Sub GroupSheets(Sheetnames As String, _
Optional bInGroup As Boolean = True, _
Optional Wkb As Workbook)
' Groups sheets in Wkb based on whether Sheetnames
' are to be included or excluded in the grouping.
' Arg1 is a comma delimited string. (ie: "Sheet1,Sheet3")

Dim Shts() As String, sz As String
Dim i As Integer, wks As Worksheet, bNameIsIn As Boolean

If Wkb Is Nothing Then Set Wkb = ActiveWorkbook
For Each wks In Wkb.Worksheets
bNameIsIn = (InStr(Sheetnames, wks.name) 0)
If bInGroup Then
If bNameIsIn Then sz = wks.name
Else
If bNameIsIn Then sz = "" Else sz = wks.name
End If
If Not sz = "" Then '//build the array
ReDim Preserve Shts(0 To i): Shts(i) = sz: i = i + 1
End If
Next
Wkb.Worksheets(Shts).Select
End Sub 'GroupSheets()

In your case, put the selected sheetnames in a comma delimited string
var and pass it to GroupSheets()...

Dim sWksList As String
For Each varItem In lstSubjects.ItemsSelected
sWksList = sWksList & "," & lstSubjects.ItemData(varItem)
Next
sWksList = Mid$(sWksList, 2) '//remove leading comma

GroupSheets sWksList

'Produce a PDF...

--
Garry

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