An enumeration used to specify which extension events are desired for a particular widget.
Value | Symbolic name | Description |
| 0 | Gdk::EXTENSION_EVENTS_NONE | No extension events are desired. |
| 1 | Gdk::EXTENSION_EVENTS_ALL | All extension events are desired. |
| 2 | Gdk::EXTENSION_EVENTS_CURSOR | Extension events are desired only if a cursor will be displayed for the device. |