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From: "Jeffrey R. Carter" <spam.jrcarter.not@spam.not.acm.org>
Newsgroups: comp.lang.ada
Subject: Re: GTk3 without the Gtkbuilder and Glad
Date: Sat, 11 Jun 2016 10:38:13 -0700
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Date: 2016-06-11T10:38:13-07:00
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On 06/11/2016 01:27 AM, ldries46 wrote:
>  
> /I think I did exactly as you told, what went wrong/

Some observations:

* Mine_Detector's handler handles the "delete_event" event and is called when
the user clicks on the close button in the title bar (the only way to exit
Mine_Detector). You're trying to handle the "destroy" event. If you want to
respond to the close button in the title bar, and it sounds to me as if you do,
then you should probably handle "delete_event".

* The parameter list for your callback function is different from that in
Mine_Detector. They should be the same.

* You reference the Object parameter of your callback function (you pass it to a
procedure), but have a pragma Unreferenced for it.

-- 
Jeff Carter
"I certainly have not the talent which some people possess, ...
of conversing easily with those I have never seen before."
Pride and Prejudice
121