handler->event

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handler->event

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    - Classes
      - class handler
        
        Send methods
        
        handler->event
        
        handler->initialise

handler ->event: event

Request to process an event. This method is normally invoked from graphical->event. It will forward handler<-message iff event->is_a succeeds for the argument event using handler<-event and if no handler<-region is specified or the argument event is inside the handler<-region.