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[code][code]static void MyGroupTestTrans() {
  AcDbObjectId id;
  AcDbObject *pObj1 = nullptr, *pObj2 = nullptr;
  Acad::ErrorStatus es;

  // создать объект AcDbLine с фиксированными координатами начала и конца
  AcDbDatabase *pCurDb = acdbHostApplicationServices()->workingDatabase();
  AcDbBlockTable *pBlockTable = nullptr;
  pCurDb->getSymbolTable(pBlockTable, AcDb::kForRead);
  AcDbBlockTableRecord *pModelSpace = nullptr;
  pBlockTable->getAt(ACDB_MODEL_SPACE, pModelSpace, AcDb::kForWrite);
  pBlockTable->close();
  AcGePoint3d startPt(0.0, 0.0, 0.0), endPt(2000.0, 1000.0, 0.0);
  AcDbLine *pLine = new AcDbLine(startPt, endPt);
  pModelSpace->appendAcDbEntity(id, pLine);
  pLine->close();
  pModelSpace->close();

  // открытие объекта через транзакции
  AcTransaction *pTrans1 = actrTransactionManager->startTransaction();

  es = pTrans1->getObject(pObj1, id, AcDb::kForWrite, false);
  if (es != Acad::eOk)
    acutPrintf(L"pTrans1->getObject() ErrorStatus = %s\n", acadErrorStatusText(es));

  AcTransaction *pTrans2 = actrTransactionManager->startTransaction();

  es = pTrans2->getObject(pObj2, id, AcDb::kForNotify, false);
  if (es != Acad::eOk)
    acutPrintf(L"pTrans2->getObject() ErrorStatus = %s\n", acadErrorStatusText(es));

  es = actrTransactionManager->endTransaction();
  es = actrTransactionManager->endTransaction();

  //////////////////////////////////////////////////////////////////////////
  //  Используем новые интеллектуальные указатели
  //////////////////////////////////////////////////////////////////////////
  AcDbSmartObjectPointer<AcDbEntity> pEnt(id, AcDb::OpenMode::kForWrite);
  if ((es = pEnt.openStatus()) == Acad::eOk)
  {
    pEnt->erase(Adesk::kTrue);
  }
  else
  {
    acutPrintf(L"pEnt.openStatus() ErrorStatus = %s\n", acadErrorStatusText(es));
  }
}[/code][/code]