(define-gboxed-variant-cstruct event "GdkEvent"
  (type event-type)
  (window (g:object window))
  (send-event (:boolean :int8))
  (:variant type
            ...
            ((:property-notify) event-property
             (atom :pointer)
             (time :uint32)
             (state property-state))
  ... ))  

type

The gdk:event-type type of the event.

window

The gdk:window object which received the event.

send-event

True if the event was sent explicitly.

atom

The gdk:atom string with the property that was changed.

time

The unsigned integer with the time of the event in milliseconds.

state

The value of the gdk:property-state enumeration.