It probably just sets it on the NSControl that the NSCell lives in, or eats the exception when setting it on the cell. You could set a breakpoint on Obj-C exceptions in Xcode and see if it fires when loading your nib.
—Rob > On Mar 16, 2019, at 7:13 PM, Carl Hoefs <newsli...@autonomy.caltech.edu> > wrote: > > Thanks Howard and Rob. I will try both approaches and see what works best. > > But, it makes me wonder how Xcode is able to set the tag of NSCells? > > -Carl > > >> On Mar 16, 2019, at 6:10 PM, Howard Moon <how...@antarestech.com> wrote: >> >> Either use NSActionCell, or derive your own class from NSCell and implement >> it. > > >> On Mar 16, 2019, at 6:08 PM, Rob Petrovec <petr...@mac.com> wrote: >> >> This is expected and documented behavior. From >> https://developer.apple.com/documentation/appkit/nscell/1532348-tag?language=objc >> >> Setting the value of this property raises with >> NSInternalInconsistencyException. Subclasses are expected to override this >> property if they support tags >> >> If you want to use tags, you should subclass NSImageCell and implement -tag >> & -setTag: to return your own ivar. Hope that helps. >> >> —Rob >> >> >>> On Mar 16, 2019, at 7:03 PM, Carl Hoefs <newsli...@autonomy.caltech.edu> >>> wrote: >>> >>> macOS 10.12, ObjC >>> >>> Is it not possible to set the tag of an NSImageCell at runtime? >>> >>> At runtime when I do "myCell.tag = val;" I get a warning: >>> Stub implementation of -setTag by NSCell does nothing. >>> >>> I have an array of 48 NSImageCells. I can't hard-code them in Xcode because >>> don't know the tag values until runtime. >>> How can I accomplish this? >>> >>> -Carl >>> > _______________________________________________ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
