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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Yep, it probably is. It was actually a pretty non-invasive
change and I don’t think that code has changed much between 1.x and 2.0.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
users-bounces@lists.ironpython.com [mailto:users-bounces@lists.ironpython.com] <b>On
Behalf Of </b>Curt Hagenlocher<br>
<b>Sent:</b> Friday, April 18, 2008 9:23 AM<br>
<b>To:</b> Discussion of IronPython<br>
<b>Subject:</b> Re: [IronPython] IP as a Macro Language<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'>Sounds like a possible
candidate for 1.1.2? :)<o:p></o:p></p>
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<p class=MsoNormal>On Fri, Apr 18, 2008 at 9:22 AM, Dino Viehland <<a
href="mailto:dinov@exchange.microsoft.com">dinov@exchange.microsoft.com</a>>
wrote:<o:p></o:p></p>
<p class=MsoNormal>FYI that bug should be fixed in 2.0. We now use weak
references on both the handler and the target so we don't keep things alive.<o:p></o:p></p>
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<p class=MsoNormal><br>
-----Original Message-----<br>
From: <a href="mailto:users-bounces@lists.ironpython.com">users-bounces@lists.ironpython.com</a>
[mailto:<a href="mailto:users-bounces@lists.ironpython.com">users-bounces@lists.ironpython.com</a>]
On Behalf Of Michael Foord<br>
Sent: Friday, April 18, 2008 8:21 AM<br>
To: Discussion of IronPython<br>
Subject: Re: [IronPython] IP as a Macro Language<br>
<br>
Curt Hagenlocher wrote:<br>
> On Fri, Apr 18, 2008 at 2:00 AM, Dave Moor <<a
href="mailto:d.moor@sim-soft.co.uk">d.moor@sim-soft.co.uk</a>> wrote:<br>
><br>
>> My problem is, I can create a form entirely in IP but I can't seem to<br>
>> get it added as a MDIChild to the main application, and when the form
is<br>
>> closed the form's timer is still running in the background requesting<br>
>> data from the main application.<br>
>><br>
><br>
> For the most part, anything you can do along these lines from C# can<br>
> also be done from within IronPython. Can you provide a snippet of<br>
> Python code that shows the approach that wasn't working for you?<br>
><br>
><br>
>> I gather from this list that IP has problems destroying C# objects it<br>
>> has instantiated and I assume that it has problems responding to
events<br>
>> triggered from the CLR side.<br>
>><br>
><br>
> Both IronPython and C# rely on the same underlying CLR garbage<br>
> collector, so there really shouldn't be any difference in this regard.<br>
> Could you be storing a reference to the form from Python code which<br>
> would prevent garbage collection? For instance, if you assign the<br>
> form to a module-level variable, it will probably never be destroyed<br>
> because the module itself is kept alive by a reference from<br>
> sys.modules.<br>
><br>
We also had an issue where adding python functions/methods as event<br>
handlers would keep forms alive as IronPython stores a mapping of<br>
handler functions to delegates.<br>
<br>
Explicitly unsubscribing to events on disposal solved that problem - but<br>
it was a lot of work.<br>
<br>
Michael<br>
<br>
> --<br>
> Curt Hagenlocher<br>
> <a href="mailto:curt@hagenlocher.org">curt@hagenlocher.org</a><br>
> _______________________________________________<br>
> Users mailing list<br>
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> <a href="http://lists.ironpython.com/listinfo.cgi/users-ironpython.com"
target="_blank">http://lists.ironpython.com/listinfo.cgi/users-ironpython.com</a><br>
><br>
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