>>> This is implemented by calling the set_active with the result of get_active_row_number.
Because the content of those combo boxes has got rather voluminous, I now want to convert them to hierarchical. So the ...Text version is no good and I'm using a ComboBox with a TreeStore behind it. The row number obviously no longer works, so... >>> I don't know if GTK+ 2 had these, but as of GTK 3, I would look into property :active or :active-id (ensuring rows have values for those of course). You could continue syncing them manually, if you need or simply want to, or alternatively you could automate it via GLib's bind_property().
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