[编程交流] 选择集团的所有实例

(defun c:sb    (/ e name n out ss x rjp-getblockname)
(vl-load-com)
(prompt "\n   Pick BLOCK to acquire its instances in the drawing...") 
 (defun rjp-getblockname (obj)
   (if    (vlax-property-available-p obj 'effectivename)
     (vla-get-effectivename obj)
     (vla-get-name obj)
   )
 )
 (if (setq x     (ssget '((0 . "INSERT")))
       x     (ssname x 0)
       name (rjp-getblockname (vlax-ename->vla-object x))
       ss     (ssget "_X" '((0 . "INSERT")))
       n     -1
       out     (ssadd)
     )
   (while (setq e (ssname ss (setq n (1+ n))))
     (if (= (rjp-getblockname (vlax-ename->vla-object e)) name)
   (ssadd e out)
     )
   )
 )
 (sssetfirst nil out)
 (princ)
)