Enums
Value | Symbolic name | Description |
| 0 | GTK_UPDATE_CONTINUOUS | The value of the adjustment is updated while slider is in motion. |
| 1 | GTK_UPDATE_DISCONTINUOUS | The value of the adjustment is updated only when the user releases the mouse and the slider drag operation is finished. |
| 2 | GTK_UPDATE_DELAYED | The value of the adjustment is updated shortly after the slider has stopped moving, but not necessarily after the slider drag operation has finished. |