func create_combo_box(strings []string) *gtk.ComboBoxText {
	combo_box := gtk.NewComboBoxText()
	for _, s := range strings {
		combo_box.AppendText(s)
	}
	combo_box.SetActive(0)
	return combo_box
}
Convenience function to create a combo box holding a number of strings
package size_groups
import "gobject/gtk-3.0"
var dialog *gtk.Dialog