Движение button при старте программы

procedure TForm1.FormCreate(Sender: TObject);
begin
for i := 1 to 141 do
  begin
    g10:=i+1;
    Button11.Top:=g10;
    sleep(10);
  end;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
for i := 1 to 141 do
  begin
    g10:=i+1;
    Button11.Top:=g10;
    application.ProcessMessages;
    sleep(10);
  end;
end;

unit Unit1;
 
interface
 
uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls;
 
type
  TForm1 = class(TForm)
    Button1: TButton;
    procedure FormActivate(Sender: TObject);
    procedure FormDeactivate(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
 
  public
    procedure down_button();
    procedure up_button();
 
  end;
 
var
  Form1: TForm1;
 
implementation
 
{$R *.dfm}
 
procedure TForm1.down_button();
var
  i, i1, i2: integer;
begin
  i1 := Button1.Top;
  i2 := 100;
  for i := i1 to i2 do
    begin
      Button1.Top := i;
      application.ProcessMessages;
      sleep(2);
    end;
end;
 
procedure TForm1.up_button;
var
  i, i1, i2: integer;
begin
  i2 := Button1.Top;
  i1 := -Button1.Height - 1;
  for i := i2 downto i1 do
    begin
      Button1.Top := i;
      application.ProcessMessages;
      sleep(2);
    end;
end;
 
procedure TForm1.FormActivate(Sender: TObject);
var
  i: integer;
begin
  Button1.Top := -Button1.Height - 1;
  down_button();
end;
 
procedure TForm1.FormCreate(Sender: TObject);
begin
  application.OnDeactivate := FormDeactivate;
  application.OnActivate := FormActivate;
end;
 
procedure TForm1.FormDeactivate(Sender: TObject);
begin
  up_button;
end;
 
end.