hi there, iam programing custom aplication that read DXF format drawings and draws them with direct2d.. i need to maintain objects draw order and as i understand i can do this using data provided in SortEntsTable  object. http://www.autodesk.com/techpubs/autocad/acad2000/dxf/sortentstable_dxf_07.htmCould anyone explain how to use that data to sort objects before drawing them?