I do release them after adding them to the table. It will still crash... Sent from my iPad
On Jan 11, 2011, at 7:29 PM, Peter Lübke <[email protected]> wrote: > Table columns are retained by the table view they are added to. > > So you can safely release or autorelease the table column right after > invoking -addTableColumn: . > The table view owns its columns and will release them when it itself is > released. > > This is the normal behaviour when adding subviews to an NSView or its > subclasses. > > Peter > > > Am 11.01.2011 um 18:06 schrieb Eric Gorr: > >> I've got a sample test project at: >> >> http://ericgorr.net/cocoadev/TableColumnTest.zip >> >> which reproduces the strange crash. >> >> I have a NSTableView to which I need to add NSTableColumns manually using >> the addTableColumn: method. The problem is that for some reason when I >> release the window and everything is being deallocated, someone has an extra >> retain on the table column and it sticks around. This causes a crash because >> the OS tries to redraw the table which really isn't there. >> >> Note: With the code as written, it will only cause a crash sometimes...if >> you comment back in the call to the EventAvail function in >> WindowTestAppDelegate.m, it will crash every time...this is how I ended up >> finding the odd behavior to begin with - I am working with a cocoa/carbon >> app and EventAvail is still being called. >> >> I can avoid the crash if, in my TableController class, I manually remove the >> table column from the table first. Is this what I am expected to do if I >> manually add the column? I would not have thought so, but perhaps I am >> wrong...? >> >> In TableController.m, I have the function GetNewColumn which creates a new >> table column. After I alloc and init the column, I can log the retain count >> of the column and see that it is 1. After I call setWidth: on the table >> column, I can see that the retain count is 2. >> >> Can anyone shed some light on what might be going on here and why it is >> crashing? >> >> (if it matters, I am still running on 10.6.5) >> > _______________________________________________ Cocoa-dev mailing list ([email protected]) 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 [email protected]
