[chechu]

program Project1;

uses
Forms;

{$R *.res}

begin
Application.Initialize;
Application.Run;
end.
--------------------------------------------------------------

unit modelo;

interface

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

type
TForm1 = class(TForm)
aqui todo lo que hago
despues....private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}