GdkEventTypetype; the type of the event (GDK_PROPERTY_NOTIFY). GdkWindow*window; the window which received the event. gint8send_event; TRUE if the event was sent explicitly (e.g. using XSendEvent). GdkAtomatom; the property that was changed. guint32time; the time of the event in milliseconds. guintstate; whether the property was changed (GDK_PROPERTY_NEW_VALUE) or deleted (GDK_PROPERTY_DELETE).