Re: gtk_box_pack: assertion `child->parent == NULL

[Murray Cumming <murrayc murrayc com>]

On Thu, 2011-02-10 at 10:27 -0800, cppgangster wrote:
> Hi I am trying to put Gtk::menu to Gtk:Vbox container, when I run it,
> I get
> exception throw with msg "(main:14565): Gtk-CRITICAL **: gtk_box_pack:
> assertion `child->parent == NULL' failed" 

GtkMenu seems to have some GtkWindow parent automatically, so you can't
add it to a second parent widget. That is admittedly a little strange,
and maybe it's a bug that there isn't a clearer warning.

However, you probably want to be using Gtk::MenuBar, putting a Gtk::Menu
into that, which should work.

-- 
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