On 16-Mar-2000 B Mohrgan Pratten wrote:
> I attach the program again, with the changes to the callback from.
> But
> the problem persists. I noticed that I did not actually state the
> nature of my problem last time so:
>
You didn't take the second piece of advice, which was to create the
label before connecting the callback to the signal:
window = gtk_window_new (GTK_WINDOW_TOP
gtk_signal_connect (GTK_OBJECT (window), "delete_event",
GTK_SIGNAL_FUNC (cb_exit), NULL);
toggle = gtk_toggle_button_new ();
gtk_container_add (GTK_CONTAINER (window), toggle);
label = gtk_label_new ("UP");
gtk_container_add (GTK_CONTAINER (toggle), label);
gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
GTK_SIGNAL_FUNC (cb_toggle), label);
gtk_widget_show (toggle);
gtk_widget_show (label);
gtk_widget_show (window);
-tony
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