List without headers

[Beast <beast i6x org>]

Hi all,

How to create SimpleList but without the header?
The manual says that it can be turn off.
...
Creates a new Gtk2::SimpleList object with the specified columns. The 
parameter cname is the name of the column, what will be displayed in the 
list headers if they are turned on. The parameter ctype is the type of 
the column, one of:
....

I've tried this, but still not works.

Gtk2::SimpleList->new(undef => 'pixbuf', undef=> 'text');

Gtk2::SimpleList->new('pixbuf', 'text');



--

--beast