I'm not sure every one would want it to automatically switch to Core Control when the SLS button is selected, so a configurable option might be more desirable. Application switching could even be configured on a per source key basis.

Regards,
Carl

861v6+ID40, HD621, 8000.2, 7200HC, 7200.2, SKYQ Silver, PS3, PDP-LX6090, QNAP TS870-Pro (8*6TB), Roon, iPadAir2.
[In Reserve] C15, MD600 (2*3TB), TwinStore RM (2*2TB)