From: R on
Stefan Haller <stk.usenet(a)haller-berlin.de> wrote:
> In cases like this I find the Xcode documentation very helpful. If you
> type kCGDirectMainDisplay in the search field of the documentation
> window, it takes you to the page "Quartz Display Services Reference"; if
> you scroll all the way to the top of that page, it says "Framework:
> ApplicationServices/ApplicationServices.h".

A very nice and helpful suggestion, thank you.