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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: Sun, 12 Jun 2016 10:10:50 -0700
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Date: 2016-06-12T10:10:50-07:00
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On 06/12/2016 12:50 AM, ldries46 wrote:
> 
> package Windows_Callback is new
>  Gtk.Handlers.Return_Callback (Main_Window_Record, boolean);
> 
> Windows_Callback.Connect(MainWindow, "delete_event",
>                         Windows_Callback.To_Marshaller(On_Window_Destroy'Access));
> 
> function On_Window_Destroy (Object : access Gtk_Window_Record'Class;
>                            Event : Gdk.Event.Gdk_Event) return Boolean;

The only remaining difference I can see is that Mine_Detector instantiates
Return_Callback with Gtk_Window_Record, while you instantiate it with
Main_Window_Record.

-- 
Jeff Carter
"What I wouldn't give for a large sock with horse manure in it."
Annie Hall
42