Enums
Value | Symbolic name | Description |
| 0 | GTK_BUTTONBOX_DEFAULT_STYLE | The current default style for button arrangement, which can be reset. The default setting is GTK_BUTTONBOX_EDGE. |
| 1 | GTK_BUTTONBOX_SPREAD | Specifies that the buttons should be spaced evenly across the area of the buttonbox, with a full-sized space at either edge of the column or row. |
| 2 | GTK_BUTTONBOX_EDGE | Specifies that the buttons should be spaced evenly across the area of the buttonbox, with no space at either edge of the column or row. |
| 3 | GTK_BUTTONBOX_START | Specifies that the buttons should be packed from the top or left edge of the buttonbox, and spaced according to their spacing and internal padding settings. |
| 4 | GTK_BUTTONBOX_END | Specifies that the buttons should be packed from the bottom or right edge of the buttonbox, and spaced according to their spacing and internal padding settings. |