gdk:drag-status (context action time)

context -- a gdk:drag-context object
action -- a selected gdk:drag-action value which will be taken when a drop happens, or 0 to indicate that a drop will not be accepted
time -- an integer with the timestamp for this operation

Selects one of the actions offered by the drag source. This function is called by the drag destination in response to the gdk:drag-motion function called by the drag source.