Faire défiler le titre d'une TForm

var
a:string;

procedure TForm1.FormCreate(Sender: TObject);
begin
a:='Look at here !...';
end;

procedure TForm1.Timer1Timer(Sender: TObject);
var i:integer;

begin
application.title:=a;
form1.Caption:=a;
for i:=1 to (length(a)-1) do
a[i]:=application.title[i+1];
a[length(a)]:=application.title[1];
end;