Bert, you should do feature request in post like these: https://forum.mendix.com/questions/8061/%5BIdea%20Forum%5D%20-%20Q2%202015%20-%20CLOSED This post will not be picked up by Mendix.
So you have to wait a bit untill the next quarter for this request and hope that your request get's to the top of the list.
Regards,
Ronald