What is this Delphi error 1055 and is it important?

Question

I use the FindFile routine to search all files in a directory. Source code was freely available from Latium Software . It launches FindFile - this is a separate thread.

It always worked fine and still continues to work fine. But since I upgraded from Delphi 4 to Delphi 2009, it now gives a warning:

W1055: Published caused RTTI ($M+) to be added to type '%s' (Delphi)

Error in the “published” line of this ad:

  TThread1 = class(TThread)
  private
    OwnerForm: TFindFileForm;
    procedure Initialize;
    procedure AddFileName;
    procedure Finalize;
  protected
    procedure Execute; override;
  published
    constructor Create(Owner: TFindFileForm);
    destructor Destroy; override;
  end;

Help Delphi reports:

You added the "PUBLISHED" section to a class that was not compiled while the {$ M +} / {$ TYPEINFO ON} switch was in effect or without a class composed using {$ M +} / {$ TYPEINFO ON}.

TypeInfo . , "NotType" .

, , {$ M +}/{$ TYPEINFO ON} , {$ M +}/{$ TYPEINFO ON} .

, "". . , , , , , .

, , , ? ?

Answer 1

. , (, ) , , .

published public, .

Answer 2

, , W1055 "", ( W).

:

• Hnnnn -
• Wnnnn -
• Ennnn -
• Lnnnn -
• Unnnn - (?)

. , , - , .

, , , . , , , - .

U - - , , - .

, 1055, , "" , . " " ( ), " ", ( - , , , , , , RTTI ).