code: public void addDwgObjectOffset( int handle, int offset ) {
          DwgObjectOffset doo = new DwgObjectOffset(handle, offset);
          dwgObjectOffsets.add(doo);
      }
docs: Add a DWG object offset to the dwgObjectOffsets vector
  
  @param handle Object handle
  @param offset Offset of the object data in the DWG file