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Harris Geospatial / Docs Center / Libraries / CATALYST / CATEVENTDISPATCHER

CATEVENTDISPATCHER

CATEVENTDISPATCHER

Name


      CatEventDispatcher

Purpose



      The purpose of this utility routine is to intercept the event
      callbacks from widgets and pass the "event" on to an object
      EventHandler method. The EventHandler method must be written
      with one positional parameter: the event structure that comes
      from the widget. Note that the "name" of the object is added
      as a field in every event structure.

Authors



        FANNING SOFTWARE CONSULTING BURRIDGE COMPUTING
        1645 Sheely Drive 18 The Green South
        Fort Collins Warborough, Oxon
        CO 80526 USA OX10 7DN, ENGLAND
        Phone: 970-221-0438 Phone: +44 (0)1865 858279
        E-mail: davidf@dfanning.com E-mail: davidb@burridgecomputing.co.uk

Category



      Programming.

Calling Sequence



      This routine is called by the IDL system, not by a user.

Modification History



      Written by: David Burridge, 13th March 2003.
      Added EVENT_NAME field to each event object, which contains the name of the widget event. 6 Feb 2004, DWF.
      Made a change in which the Event_Method is retrieved from the object causing the event, rather
        than from the event object itself. 19 July 2004. DWF.
      Removed reference to TOP_OBJECT. 22 January 2005. DWF.



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