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Try this version (defun c:PText ( / *error* sv_lst sv_vals c_doc ss colour_lst t_str lyr l_lst) (defun *error* ( msg ) (mapcar 'setvar sv_lst sv_vals) (if (and c_doc (= 8 (logand 8 (getvar 'UNDOCTL)))) (vla-endundomark c_doc)) (if (not (wcmatch (strcase msg) "*BREAK*,*CANCEL*,*EXIT*")) (princ (strcat "\nAn Error : " msg " occurred."))) (princ) );end_*error*_defun (setq sv_lst (list 'cmdecho 'osmode) sv_vals (mapcar 'getvar sv_lst) c_doc (vla-get-activedocument (vlax-get-acad-object)) p_obj (vlax-ename->vla-object (car (entsel "\nSelect Prefix text : "))) p_str (vlax-get-property p_obj 'textstring) );end_setq (if (and c_doc (= 8 (logand 8 (getvar 'UNDOCTL)))) (vla-endundomark c_doc)) (vla-startundomark c_doc) (mapcar 'setvar sv_lst '(0 0)) (prompt "\nSelect Text to Prefix : ") (setq ss (ssget '((0 . "TEXT")))) (cond (ss (vlax-for t_obj (vla-get-activeselectionset c_doc) (vlax-put-property t_obj 'textstring (strcat p_str (vlax-get-property t_obj 'textstring))) );end_forwhile ) );end_cond (mapcar 'setvar sv_lst sv_vals) (if (and c_doc (= 8 (logand 8 (getvar 'UNDOCTL)))) (vla-endundomark c_doc)) (princ) );end_defun

Hi, Just this a shot. (defun c:test (/ s x i e) (and (princ "\nPick a prefix text :") (or (setq s (ssget "_+.:S:E" '((0 . "*TEXT")))) (alert "Invalid object or nothing selected. Try again") ) (princ (strcat "\nSelect texts to add prefix [" (setq x (cdr (assoc 1 (entget (ssname s 0))))) "]. to them :" ) ) (setq i -1 s (ssget "_:L" '((0 . "*TEXT"))) ) (while (setq e (ssname s (setq i (1+ i)))) (entmod (subst (cons 1 (strcat x (cdr (assoc 1 (setq e (entget e)))))) (assoc 1 e) e ) ) ) ) (princ) )

Try this. I was unsure whether you wanted to select the text to get the prefix individually or as a selection set. It does the former, but is easily alterable to do the latter. (defun c:PText ( / *error* sv_lst sv_vals c_doc ss colour_lst t_str lyr l_lst) (defun *error* ( msg ) (mapcar 'setvar sv_lst sv_vals) (if (and c_doc (= 8 (logand 8 (getvar 'UNDOCTL)))) (vla-endundomark c_doc)) (if (not (wcmatch (strcase msg) "*BREAK*,*CANCEL*,*EXIT*")) (princ (strcat "\nAn Error : " msg " occurred."))) (princ) );end_*error*_defun (setq sv_lst (list 'cmdecho 'osmode) sv_vals (mapcar 'getvar sv_lst) c_doc (vla-get-activedocument (vlax-get-acad-object)) p_obj (vlax-ename->vla-object (car (entsel "\nSelect Prefix text : "))) p_str (vlax-get-property p_obj 'textstring) );end_setq (if (and c_doc (= 8 (logand 8 (getvar 'UNDOCTL)))) (vla-endundomark c_doc)) (vla-startundomark c_doc) (mapcar 'setvar sv_lst '(0 0)) (while (setq t_ent (entsel "\nSelect Text to Prefix : ")) (setq t_obj (vlax-ename->vla-object (car t_ent))) (vlax-put-property t_obj 'textstring (strcat p_str (vlax-get-property t_obj 'textstring))) );end_while (mapcar 'setvar sv_lst sv_vals) (if (and c_doc (= 8 (logand 8 (getvar 'UNDOCTL)))) (vla-endundomark c_doc)) (princ) );end_defun