iOS Question Two rows text on button

Hi,
I tried this (like B4A):
Button1.text= chr(10) & "pippo" & chr(10) pluto

No character is displayed

I tried:
Button1.text= "1234567890123457890"

Iphone displayed:
"12345...67890"

I want a display like this:

pippo
pluto

How can i do?
Thans
Marco