unit main;

interface

uses
 Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
 Dialogs, StdCtrls;

type
 TForm1 = class(TForm)
   Label1: TLabel;
   procedure FormCreate(Sender: TObject);
 private
   { Private declarations }
 public
   { Public declarations }
 end;

var
 Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
var
 SL: TStringList;
begin
 SL := TStringList.Create;
 try
   SL.LoadFromFile('main.pas');
   Label1.Caption := SL.Text;
 finally
   SL.Free;
 end;
end;

end.