{ %NORUN } program tw22329; {$mode delphi} type TObjectHelper = class helper for TObject procedure SayHello(const I: Integer); overload; procedure SayHello(const S: string); overload; end; procedure TObjectHelper.SayHello(const I: Integer); overload; begin Writeln('Hello ', I); end; procedure TObjectHelper.SayHello(const S: string); overload; begin Writeln('Hello ', S); end; var Obj: TObject; begin Obj := TObject.Create; try Obj.SayHello('FPC'); finally Obj.Free; end; end.