On Feb 16, 2010, at 13:13, Joe Ranieri wrote: > On 2/16/10 4:10 PM, Neil Allain wrote: >> >> On Feb 16, 2010, at 2:57 PM, Laurent Daudelin wrote: >> >>> I'm working on a an app that at some point might start transferring a large >>> file to a USB device. Apparently, if the system is set to go to sleep, the >>> transfer will fail. >>> >>> I was thinking of using the NSWorkspace extendPowerOffBy: but then the doc >>> says "Currently unimplemented". >>> >>> So, if my app get a notification that the system is going to sleep, how can >>> I delay it? >>> >> >> You can call UpdateSystemActivity() periodically (such as on a timer) to >> prevent it from going to sleep. >> >> Neil > > You should probably be using IOPMAssertionCreateWithName() instead if you can > require 10.5+. This gives the system a lot more information about the intent > of your code and the potential ability to show some nice UI to the user.
Oops! The doc says it was introduced in 10.6 and I need to support 10.5. I guess I'll have to check "IOPMAssertionCreate"... Thanks! -Laurent. -- Laurent Daudelin AIM/iChat/Skype:LaurentDaudelin http://nemesys.dyndns.org Logiciels Nemesys Software laurent.daude...@gmail.com Photo Gallery Store: http://laurentdaudelin.shutterbugstorefront.com/g/galleries _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
