Dino, That makes sense, thanks for the clarification.
Regards, Giles -- Giles Thomas Resolver Systems [EMAIL PROTECTED] We're hiring! http://www.resolversystems.com/jobs/ Dino Viehland wrote: > Another option that should work is: > > class ClickListener: > def trigger(self, source, args): > print "..." > > a = ClickListener() > b = a.trigger > > triggerButton.Click += b > > triggerButton.Click -= b > > > What you're experiencing is the fact that trigger is actually just a callable > object. When you do a.trigger you get a new bound method object that is > different from the bound method object you get back when you do the -=. > > We should see if there's a way for us to fix this to match expecations so > I'll go ahead and make sure we get the bug filed. > > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Giles Thomas > Sent: Wednesday, February 01, 2006 11:10 AM > To: Discussion of IronPython > Subject: [IronPython] Issues with methods as event handlers? > > Hi all, > > When we use bound methods as Windows Forms event handlers, we can't > detach them. Functions work OK. > > To see the problem, run up the attached button_method.py using > IronPythonConsole; if you click on the "Trigger" button, you'll see a > log message in the console saying that the trigger method has been > called. Click on the "Remove" button to remove the event handler, and > then click on the "Trigger" button again - you'll still get the log > message. So the event handler was not detached correctly. > > By contrast, if you do the same thing using button_function.py, you will > see that once you have clicked on "Remove", the "Trigger" button's > handler will be correctly detached, so further clicks on that button > will not generate log messages. > > We've tested against beta 2, beta 1, and 0.9.5 (which latter doesn't > display the button labels but otherwise behaves as described above). > > Hope this helps someone :-) > > > Cheers, > > Giles _______________________________________________ users mailing list users@lists.ironpython.com http://lists.ironpython.com/listinfo.cgi/users-ironpython.com