Objectarx get all entity IDs on the specified layer

2015-12-17

1 //gets all entity IDs on the specified layer2Acdbobjectidarray Getallentityid (Consttchar*layername)3 {4 Acdbobjectidarray Entids;5     BOOLBfilterlayer =false;6 Acdbobjectid Layerid;7     //gets the specified Layer object ID8     if(LayerName! =NULL)9     {TenAcdblayertable *PLAYERTBL =NULL; OneAcdbhostapplicationservices ()->workingdatabase ()getsymboltable (PLAYERTBL, acdb::kforread); A         if(!playertbl->Has (layername)) -         { -Playertbl->close (); the             returnEntids; -         } -Playertbl->getAt (LayerName, Layerid); -Playertbl->close (); +Bfilterlayer =true; -     } +     //Get block Table AAcdbblocktable *PBLKTBL =NULL; atAcdbhostapplicationservices ()->workingdatabase ()getsymboltable (PBLKTBL, acdb::kforread); -     //Block table record -Acdbblocktablerecord *PBLKTBLRCD =NULL; -Pblktbl->getAt (Acdb_model_space, PBLKTBLRCD, acdb::kforread); -Pblktbl->close (); -     //Create a walker to access each entity in the model space in turn inAcdbblocktablerecorditerator *it =NULL; -Pblktblrcd->Newiterator (it); to      for(It->start ();!it->done (); it->Step ()) +     { -Acdbentity *pent =NULL; theAcad::errorstatus es = it->getentity (pent, acdb::kforread); *         if(es = =Acad::eok) $         {Panax Notoginseng             if(Bfilterlayer)//Filter Layers -             { the                 if(Pent->layerid () = =Layerid) +                 { AEntids.append (pent->objectId ()); the                 } +             } -             Else $             { $             //Entids.append (Pent->objectid ()); -Pent->close (); -             } the         } -     }Wuyi     Deleteit; thePblktblrcd->close (); -     returnEntids; Wu}

Objectarx get all entity IDs on the specified layer