objectarx 之遍历当前模型空间中的所有实体，并对每个实体进行炸开
// 炸开void BomEntity()
{
AcDbBlockTable *pBlkTbl;
acdbHostApplicationServices()->workingDatabase()->getBlockTable(pBlkTbl, AcDb::kForRead);
// 获得模型空间的块表记录
AcDbBlockTableRecord *pBlkTblRcd;
pBlkTbl->getAt(ACDB_MODEL_SPACE, pBlkTblRcd,AcDb::kForRead);
pBlkTbl->close();
// 创建块表记录遍历器
AcDbBlockTableRecordIterator *pItr; // 块表记录遍历器
pBlkTblRcd -> newIterator(pItr);
pBlkTblRcd->close();
AcDbEntity *pEnt = NULL; // 遍历的临时实体指针
for(pItr->start();!pItr->done();pItr->step()){
// 利用遍历器获得每一个实体
pItr->getEntity(pEnt,AcDb::kForWrite);
// 块参照
if (pEnt->isKindOf(AcDbBlockReference::desc()))
{
// 炸开
AcDbVoidPtrArray ents =Explode(pEnt);
// 循环遍历炸开的实体
for(int i = 0; i < ents.length(); ++i)
{
AcDbEntity* pSubEnt = (AcDbEntity*)ents;
AcDbEntity* entity = AcDbEntity::cast(pSubEnt);
AppendToDatabase(entity);
entity->close();
}
pEnt->erase();
}
pEnt->close();
}
delete pItr;
}
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