Re: [MonoTouch] Implementing Dispose on an [NSObject]
Thanks Rodrigo * * * * On Fri, Jul 20, 2012 at 8:40 AM, Rodrigo Kumpera kump...@xamarin.comwrote: You should only override void Dispose (bool disposing), and make sure to always call the base method. On Thu, Jul 19, 2012 at 5:15 PM, Phil Cockfield p...@cockfield.netwrote: What's the correct way of hooking into the *Dispose* invokation in classes derived from *NSObject*? I have an example in the gist here https://gist.github.com/3146438. https://gist.github.com/3146438 This is the full IDisposable pattern as I've seen it declared in the MSDN docs. There's a lighter weight version in the comment below. The problem is, NSObject implments IDisposable itself, and doesn't appear to provide any overridable *OnDisposing* type methods. I get a build warning saying to use the *new* keyword on my Dispose method. new is dangerous to use (right?). If the object is cast as NSObject, and Dispose is run - then the parent method will run, but my derived method won't. That's my understanding at least, please correct me if I'm wrong. So what is the best practice for hooking into dispose in these types of scenarios? Thanks! -- *Phil *Cockfield ___ MonoTouch mailing list MonoTouch@lists.ximian.com http://lists.ximian.com/mailman/listinfo/monotouch -- *Phil *Cockfield ___ MonoTouch mailing list MonoTouch@lists.ximian.com http://lists.ximian.com/mailman/listinfo/monotouch
[MonoTouch] Implementing Dispose on an [NSObject]
What's the correct way of hooking into the *Dispose* invokation in classes derived from *NSObject*? I have an example in the gist here https://gist.github.com/3146438. https://gist.github.com/3146438 This is the full IDisposable pattern as I've seen it declared in the MSDN docs. There's a lighter weight version in the comment below. The problem is, NSObject implments IDisposable itself, and doesn't appear to provide any overridable *OnDisposing* type methods. I get a build warning saying to use the *new* keyword on my Dispose method. new is dangerous to use (right?). If the object is cast as NSObject, and Dispose is run - then the parent method will run, but my derived method won't. That's my understanding at least, please correct me if I'm wrong. So what is the best practice for hooking into dispose in these types of scenarios? Thanks! -- *Phil *Cockfield ___ MonoTouch mailing list MonoTouch@lists.ximian.com http://lists.ximian.com/mailman/listinfo/monotouch
Re: [MonoTouch] Implementing Dispose on an [NSObject]
You should only override void Dispose (bool disposing), and make sure to always call the base method. On Thu, Jul 19, 2012 at 5:15 PM, Phil Cockfield p...@cockfield.net wrote: What's the correct way of hooking into the *Dispose* invokation in classes derived from *NSObject*? I have an example in the gist here https://gist.github.com/3146438. https://gist.github.com/3146438 This is the full IDisposable pattern as I've seen it declared in the MSDN docs. There's a lighter weight version in the comment below. The problem is, NSObject implments IDisposable itself, and doesn't appear to provide any overridable *OnDisposing* type methods. I get a build warning saying to use the *new* keyword on my Dispose method. new is dangerous to use (right?). If the object is cast as NSObject, and Dispose is run - then the parent method will run, but my derived method won't. That's my understanding at least, please correct me if I'm wrong. So what is the best practice for hooking into dispose in these types of scenarios? Thanks! -- *Phil *Cockfield ___ MonoTouch mailing list MonoTouch@lists.ximian.com http://lists.ximian.com/mailman/listinfo/monotouch ___ MonoTouch mailing list MonoTouch@lists.ximian.com http://lists.ximian.com/mailman/listinfo/monotouch
