| Value | Meaning |
|---|---|
| UP0 | the window is scrolled up. |
| DOWN1 | the window is scrolled down. |
| LEFT2 | the window is scrolled to the left. |
| RIGHT3 | the window is scrolled to the right. |
| SMOOTH4 | the scrolling is determined by the delta values in #GdkEventScroll. See gdk_event_get_scroll_deltas(). Since: 3.4 |
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Specifies the direction for #GdkEventScroll.