Hi Muhammad,
Many thanks for the response. I really appreciate your sharing your plans ... I'm not very good at mind reading ...
From my point of view, I prefer to have a way to do round trips -- first than do the recalculations. The most critical area is reading and writing the files ... now the MPP for all versions.
If I have confidence that I can read / write MPP and XML ... I can continue my development ... the delays are really painful.
Note: I already have included some re-calculations so this is not as critical for me. Also XML does not include all of the objects that the MPP file has ... and does not require a merge operation to re-integrate with an open mpp file.
So I (IMHO) vote for completing the writing MPP files as quickly as possible so I can start to test round trips in this format. This has already been started on a restricted scale.
Thanks for your consideration!!
Regards, Bruce