I would like also to prevent user to delete some of the sheets.
How to do that in excel 2010?
Application.CommandBars("Ply") doesn’t work any more.
you can do this by protecting the structure of the workbook (I think that option is under Protection in the Review tab)
I believe this is the only way to actually prevent the user deleting a sheet, although it can be possible to find out using VBA Workbook events that a sheet has been deleted – See this answer by Excel MVP Colo on MerExcel.com