The Return Virtual Display Pasting Information routine returns
    the identifiers of the virtual displays pasted to a specified
    pasteboard. Optionally, the pasteboard row 1 and column 1
    (origins) of the virtual displays are also returned.

    Format

      SMG$LIST_PASTING_ORDER  pasteboard-id ,context ,display-id

                              [,pasteboard-row] [,pasteboard-column]