tdropdowndatacols

type tdropdowndatacols = class(townedpersistentarrayprop)

public

  constructor create();

  class function getitemclasstype; override;

  procedure beginupdate;

  procedure endupdate;

  procedure clear;

  function addrow();

  procedure insertrow();

  procedure deleterow();

  function getrow();

  property rowcount: Integer; [rw]

  property items []: tdropdowndata; default; [r]

end;

tdropdowndatacols

townedpersistentarrayprop

tpersistentarrayprop

tarrayprop,iobjectlink

tpersistent

TObject