yang686526

如何删除autocad窗口中的所有实体？
如何删除autocad窗口中的所有实体？
如何删除autocad窗口中的所有实体？最好是c++的。
acad::errorstatus es;
acdbdatabase* pcurdb;
acdbblocktable* pblktable;
acdbblocktablerecord* pblktablerecord;
acdbentity* pent;
acdbblocktablerecorditerator* piterator;

pcurdb = acdbhostapplicationservices()->workingdatabase();
es = pcurdb->getsymboltable(pblktable,acdb::kforread);
if (es != acad::eok)
{
return;
}
pblktable->getat(acdb_model_space,pblktablerecord,acdb::kforwrite);
pblktable->close();

pblktablerecord->newiterator(piterator);
for (piterator->start();!piterator->done();piterator->step())
{
piterator->getentity(pent,acdb::kforwrite);
if (pent == null)
{
continue;
}
pent->erase();
pent->close();
}
actrtransactionmanager->flushgraphics();
acedupdatedisplay();
delete piterator;
pblktablerecord->close();
已解决，贴出来与大家分享：）