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