expression.IsLast
expression Required. An expression that returns one of the objects in the Applies To list.
Example
This example determines whether the second row is the last row in the table.
MsgBox ActiveDocument.Tables(1).Rows(2).IsLast
This example determines whether the first column in the selection is the last column in the table.
If Selection.Information(wdWithInTable) = True Then
MsgBox Selection.Columns(1).IsLast
End If