isappdata¶

  ISAPPDATA function oveloaded for the JCONTROL class

  Examples:
  isappdata(obj)
  isappdata(obj, FieldName);

  See also: JCONTROL, JCONTROL/GETAPPDATA, JCONTROL/GETAPPDATA
  JCONTROL/ISAPPDATA ISAPPDATA

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  Author: Malcolm Lidierth 07/07
  Copyright © The Author & King's College London 2007
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