Get 'tmpChangeWhich' from QueryDeleteDocument of mail database

Hi guys!

I’m facing with problem. We are customizing mail database (QueryDocumentDelete event of database). If user create an recurrent event in mail database and then user is going to remove one day from whole recurrent event there is a dialog that appear and ask:

  • Just this instance

  • All instances

  • This instance and all previous

  • This instance and all future.

Does anybody know how I can get this value in QueryDocumentDelete?

thanks!