错在那里? 为什么不能必变字体大小

whyangdong · 发表于 2003-11-27 11:20:00

AcDbBlockTable *pBlockTable;
      acdbHostApplicationServices()->workingDatabase()->getSymbolTable(pBlockTable,AcDb::kForRead);
      AcDbBlockTableRecord *pBlockTableRecord;
      pBlockTable->getAt(ACDB_MODEL_SPACE,pBlockTableRecord,AcDb::kForRead);
pBlockTable->close();
      AcDbBlockTableRecordIterator *pBlockIterator;
      pBlockTableRecord->newIterator(pBlockIterator);
for(pBlockIterator->start();!pBlockIterator->done();pBlockIterator->step())
{
      AcDbEntity *pEntity;
      pBlockIterator->getEntity(pEntity,AcDb::kForWrite);
      const char *pCname1=pEntity->isA()->name();
               if(strcmp(pCname1,"AcDbText")==0)
      {
      AcDbText *pText;
            acdbOpenObject(pText,pEntity->objectId(),AcDb::kForWrite);
            pText->setHeight(12);
            pText->setWidthFactor(0.77);
                  pText->close();
      }
      pEntity->close();
      }
            delete pBlockIterator;
      pBlockTableRecord->close();