NZL-USER 17 > (<a class=noborder href="#use-namespace">use-namespace</a> "Microsoft.Office.Interop.Excel")

RDNZL-USER 18 > (defconstant +missing+ [$System.Reflection.Missing.Value])
+MISSING+

RDNZL-USER 19 > (defun get-excel-range (file-name range)
                  (let* ((app (new "ApplicationClass"))
                         (workbooks [%Workbooks app])
                         (workbook (<a class=noborder href="#cast">cast</a> [Open workbooks file-name
                                               +m