CL_SALV_TABLE: Excel Export wird nicht deaktivert

Code: Alles auswählen.

START-OF-SELECTION.
DATA: lt_table TYPE TABLE OF spfli.
DATA: gr_table TYPE REF TO cl_salv_table.
DATA: gr_funct TYPE REF TO cl_salv_functions.

  SELECT * INTO TABLE lt_table FROM spfli.

  TRY.
      CALL METHOD cl_salv_table=>factory
        IMPORTING
          r_salv_table = gr_table
        CHANGING
          t_table      = lt_table.
    CATCH cx_salv_msg .
  ENDTRY.

DATA: gr_functions TYPE REF TO cl_salv_functions.
DATA: gr_functions_hide TYPE REF TO cl_salv_functions_list.


gr_functions = gr_table->get_functions( ).
gr_functions->set_all( abap_true ).

gr_table->get_functions( )->set_group_export( abap_false ).

"Funktioniert auch nicht
gr_table->get_functions(  )->set_export_spreadsheet( abap_false ).
gr_table->display( )