Ich brauche Hilfe bei meinem "Noob Programm"

[mkinzler]

Delphi-Quellcode:

unit Unit1;

interface

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

type
TForm1 = class(TForm)
Button1: TButton;
procedure TForm1.FormActivate(Sender: TObject);
private
{Private-Deklarationen}
public
{ Public-Deklarationen }

end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormActivate(Sender: TObject);
begin
    Showmessage ('Hallo Welt')
end;
end.