Gtk.Expander:resize-toplevel
"resize-toplevel" Boolean : Read / Write
When this property is true, the expander will resize the toplevel widget containing the expander upon expanding and collapsing.
Since 3.2
"resize-toplevel" Boolean : Read / Write
When this property is true, the expander will resize the toplevel widget containing the expander upon expanding and collapsing.
Since 3.2