I have a datagrid with a lot of columns. Sometimes I may hide/show 20 of those at a time, this takes up a few seconds and I'd like to give the user some feedback when its ready. Is there any way to get "visibilityChanged" event or something along these lines?
If there is no solution like this and I need to poll the datagrid to check real visibility not the dumb "visible" property of a column where would I look and what would I check?
