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Zoom to Handle, child to parent block


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AutoCAD entity using its handle, and zoom from child to parent block, here i used tag name of child block as "REMARKS" and value inserted Parent block handle from Excel. I found some lisp from internet, but showing error, anyone can correct it..?




(defun LM:vl-GetAttributeValue ( block tag )
   (setq tag (strcase tag))
           (lambda ( attrib )
               (if (eq tag (strcase (vla-get-Tagstring attrib)))
                   (vla-get-TextString attrib)
       (vlax-invoke block 'GetAttributes)
(defun c:test ( / ss )  
   (if (setq ss (ssget "_+.:E:S" '((0 . "INSERT") (66 . 1))))
               (vlax-ename->vla-object (ssname ss 0))
                 (setq ent_handle (setq Mystring "REMARKS"))
(command "Zoom" "Object" (handent ent_handle) "") 

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