How get all file name of Destination of Cross Reference by Indesign SDK

          This is my code get all file name of Destination of Cross Reference by COM.

           iHyperlinkNum = oDoc.Hyperlinks.Count

            For iHyperlink = 1 To iHyperlinkNum

            Try

                    Sun strFullName = oDoc.Hyperlinks (iHyperlink) .Destination.Parent.FullName

                     dctCrossLink.Add (strFullName, strFullName)                     

                Catch ex As Exception

              End Try

            Next

Can i get all file name of Destination of Cross Reference by Indesign SDK?

Please give a advide.

Thanks.