Salut,   Donc le même épuré...   (defun errlsp (ch) (cond ((eq ch "Function cancelled") nil) ((eq ch "quit / exit abort") nil) ((eq ch "console break") nil) (T (princ ch)) ) (setvar "cmdecho" v1) (setvar "orthomode" v2) (setvar "osmode" v3) (setvar "blipmode" v4) (setvar "snapang" v5) (setq *error* olderr) (princ) ) (defun C:PENTE ( / v1 v2 v3 v4 v5 d_pc p_o p_f dlt_x d ol