Returned by pointer_grab and keyboard_grab to indicate success or the reason for the failure of the grab attempt.
Value | Symbolic name | Description |
| 0 | Gdk::GRAB_SUCCESS | The resource was successfully grabbed. |
| 1 | Gdk::GRAB_ALREADY_GRABBED | The resource is actively grabbed by another client. |
| 2 | Gdk::GRAB_INVALID_TIME | The resource was grabbed more recently than the specified time. |
| 3 | Gdk::GRAB_NOT_VIEWABLE | The grab window or the confine_to window are not viewable. |
| 4 | Gdk::GRAB_FROZEN | The resource is frozen by an active grab of another client. |