Changing iViews at Runtime from Web Dynpro ABAP

Hi experts; looking for some help!

Is it possible to modify the properties of a Portal iView from Web Dynpro ABAP? Specifically, we would like the act of clicking a button in the Web Dynpro ABAP to hide an iView (close it or whatever), or otherwise change which iView it is u2013 or really anything like that dynamically.

I can get into more specifics as to why we need to do this if needed (and it would be a HUGE advantage for us).