GdkScrollDirection
Specifies the direction for GdkEventScroll.
值 | 符号名称 | 描述 |
| 0 | Gdk::SCROLL_UP |
The window is scrolled up.
|
| 1 | Gdk::SCROLL_DOWN |
The window is scrolled down.
|
| 2 | Gdk::SCROLL_LEFT |
The window is scrolled to the left.
|
| 3 | Gdk::SCROLL_RIGHT |
The window is scrolled to the right.
|