Wipeout for pline

I HAVE A LISP CREATE WIPEOUT FOR CIRCLE. BUT I CANT DO THIS WITH PLINE! CAN YOU HELP ME ! THANKS ALL !

(Defun c:WC ()
(command "undo" "be")
(setq luubatdiem (getvar "osmode"))
(setvar "osmode" 0)

(Princ "\nHay chon CIRCLE :")
(setq XX (ssget '((0 . "CIRCLE"))))

(setq L 0)
(setq M (sslength XX))
(while (< L M)
(setq DT (ssname XX L))
(setq DT (entget DT))
(setq TAM (cdr (assoc 10 DT)))
(setq BANKINH (cdr (assoc 40 DT)))

(command ".polygon" "30" TAM "" BANKINH) 
(command ".wipeout" "" "last" "y") 

(setq L (1+ L))
)

(setvar "osmode" luubatdiem)
(command "undo" "end")
(Princ)
) 

i'm afraid i cannot help you here, but i do like your lisp. did you write it? and may i use it please?

ps. i like the non-english commands: "hay chon CIRCLE:" i am told --- am i learning vietnamese?!

i'm afraid i cannot help you here, but i do like your lisp. did you write it? and may i use it please?

ps. i like the non-english commands: "hay chon CIRCLE:" i am told --- am i learning vietnamese?!

" hay chon Circle " >>> mean : pick circle. Sorry, im vietnam