property Attachment.LineFrom as Long
Gets the line from.

TypeDescription
Long A long expression that indicates the index of line that indicates where the attachment begins in the message's content

For instance, the following sample prints the first line in the first attachment:

With ibx(Index)
    Debug.Print .Line(.Attachment(0).LineFrom)
End With

The following sample prints all lines of the attachment:

Dim msg As Message, i As Long
Set msg = ibx(Index)
With msg.Attachment(0)
    For i = .LineFrom To .LineTo
        Debug.Print msg.Line(i)
    Next
End With