将当前dwg内的对象复制到另一个dwg文件中

 //将当前dwg内的对象复制到另一个dwg文件中
 AcDbDatabase * pDB=acdbHostApplicationServices()->workingDatabase();
 AcDbBlockTable *pBT1;
 pDB->getBlockTable(pBT1,AcDb::kForRead);
 
    AcDbBlockTableRecord *pBTR1;
 pBT1->getAt(ACDB_MODEL_SPACE,pBTR1,AcDb::kForRead);
 AcDbBlockTableRecordIterator * pBTRIt;
 AcDbObjectIdArray objArr;
 AcDbIdMapping idMap;
 
 pBTR1->newIterator(pBTRIt);
 pBTRIt->start();
 
 for (;!pBTRIt->done();pBTRIt->step())
 {
  AcDbObjectId objID;
  pBTRIt->getEntityId(objID);
  objArr.append(objID);  

//下面的代码要执行，到时整合
//    for ( ; !pIT->done(); pIT->step()) {
//     if (Acad::eOk == pIT->getEntityId( id )) {
//      list.append( id );
//      
//      // There is a bug in ARX that causes extension dictionaries
//      // to appear to be soft owners of their contents.  This causes
//      // the contents to be skipped during wblock.  To fix this we
//      // must explicitly tell the extension dictionary to be a hard
//      // owner of it's entries.
//      //
//      AcDbEntity *pEnt;
//      if ( Acad::eOk == pIT->getEntity(pEnt, AcDb::kForRead)) {
//       AcDbObjectId obj;
//       if ((obj = pEnt->extensionDictionary())
//        != AcDbObjectId::kNull)
//       {
//        AcDbDictionary *pDict = NULL;
//        acdbOpenObject(pDict, obj, AcDb::kForWrite);
//        if (pDict) {
//         pDict->setTreatElementsAsHard(Adesk::kTrue);
//         pDict->close();
//        }
//       }
//       pEnt->close();
//      }
//     }
//   }

 }
 delete pBTRIt;
 pBTR1->close();
 pBT1->close();
 
 AcDbDatabase* pTempDb=new AcDbDatabase();
 
 idMap.setDestDb(pTempDb);
 pTempDb->getSymbolTable(pBT1,AcDb::kForRead);
 Acad::ErrorStatus e;
 AcDbBlockTableRecord * pBTR2;
 AcDbObjectId pSpaceObjID;
 pBT1->getAt(ACDB_MODEL_SPACE,pSpaceObjID);
 pBT1->close();
 // pSpaceObjID=getBlockId(ACDB_PAPER_SPACE);
 
  e=pTempDb->wblockCloneObjects(objArr,pSpaceObjID,idMap,AcDb::kDrcIgnore);
  pTempDb->saveAs(_T("c:\\aaa.dwg"));
  delete  pTempDb;