| Member Name | Description |
|---|---|
| DefaultStyle | Default packing. |
| Spread | Buttons are evenly spread across the ButtonBox. |
| Edge | Buttons are placed at the edges of the ButtonBox. |
| Start | Buttons are grouped towards the start of box, (on the left for a Gtk.HButtonBox, or the top for a Gtk.VButtonBox). |
| End | Buttons are grouped towards the end of a box, (on the right for a Gtk.HBox, or the bottom for a Gtk.VBox). |
| Center | Documentation for this section has not yet been entered. |