code: public void addDwgSectionOffset( String key, int seek, int size ) {
          DwgSectionOffset dso = new DwgSectionOffset(key, seek, size);
          dwgSectionOffsets.add(dso);
      }
docs: Add a DWG section offset to the dwgSectionOffsets vector
  
  @param key Define the DWG section
  @param seek Offset of the section
  @param size Size of the section