Preben Randhol <[EMAIL PROTECTED]> writes:
>
> I do this (note the code is not in C as I use Ada 95, but it should be
> understandable)
>
> Gtk.Container.Add (Some_Vbox, Some_Frame);
> Gtk.Container.Remove (Some_Vbox, Some_Frame);
> Gtk.Container.Add (Some_Vbox, Some_Frame);
>
> As I understand the documentations the Remove should not alter the
> Some_Frame widget, but at the second Add I get:
>
> Gtk-CRITICAL **: file gtkcontainer.c: line 714 (gtk_container_add):
> assertion `GTK_IS_WIDGET (widget)' failed.
>
> Why do I get this? And how can I Remove a widget from a container
> temporarily while I Add a different widget to the container and then
> Remove this to place back the first again? If you can show me this in C
> or plain English I'll understand :-).
>
The container owns the only reference to the frame, so it gets
finalized.
Try:
add (frame);
ref (frame);
remove (frame);
add (frame);
unref (frame);
Havoc
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