On Fri, Nov 12, 2010 at 9:09 AM, Paul Johnson <p...@askerko.net> wrote:
> I'm getting a compiler warning message at the following line of code: > > NSArray *selectedObjects = [[secondTableView dataSource] > selectedObjects]; > > The warning message is <'selectedObjects' not found in protocol>. > Note that NSTableView's -dataSource returns an object of type id<NSTableViewDataSource>. So, the compiler knows nothing about the object other than its protocol conformance. Since -selectedObjects isn't part of the protocol, it gives this warning. > Can someone suggest what I need to do to remove the warning? > Use a type cast to tell the compiler what class the data source really is: NSArray *selectedObjects = [(MyDataSourceClass*)[secondTableView dataSource] selectedObjects]; sherm-- -- Cocoa programming in Perl: http://camelbones.sourceforge.net _______________________________________________ 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
