[gtkada] Gtk.List_Store.Swap

[Jan de Kruyf]

Hallo again,

Sorry to jump the queue and answer my own questions:

I think I vaguely found the cause of my problems, but I cannot devine the
scientific explanation.
Perhaps someone on the list might be able to.

to wit:
This broke the program:

" Model        : Gtk.List_Store.Gtk_List_Store; "

Allthough a record address was assigned to it in

Gtk.Tree_Selection.Get_Selected_Rows
    (Selection => Selection,
     Model     => Gtk.Tree_Model.Gtk_Tree_Model (Model),
     Path_List => Rows);

This fixes the problem:

" Model        : access Gtk.List_Store.Gtk_List_Store_Record; "

but only if it is declared at package level, at subprogram level Gnat
complains:

" cannot convert local pointer to non-local access type "

when I try to do a type conversion to the parent type.

Would someone be so kind and expand on this. Is it a Gnat restriction, is
it an Ada restriction?

Thanks,

j.
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