ALV Webdynpro - Fixed columns on left VS resizable columns

Hi,

I have a strange problem. In a webdynpro I put an ALV with these settings:

if_salv_wd_table_settings~set_scrollable_col_count    and     lr_column->set_fixed_position

to fix my first 2 columns.

Everything is ok, but I cannot resize all my columns.

I tried with the method r_column->SET_RESIZABLE( abap_true ) in alla my columns ---> but nothing happen.

I tried with the method if_salv_wd_table_settings~set_column_resize_mode( value = '01' ) ---> the columns become resizable but my firts 2 columns are not fixed anymore!

In italy we say that it is a "short blanket" :-/

Some suggestions?

Thanks a lot.

KR

Massimo