ALV- GRID Custom Button wird nicht getriggert

Code: Alles auswählen.

go_alv->set_table_for_first_display(
      EXPORTING
        i_save                        = 'A'
        i_default                     = 'X'
        is_layout                     = ls_layout
        is_variant                    = ls_variant
      CHANGING
        it_outtab                     = gt_xxxx
        it_fieldcatalog               = gt_fieldcatalog
      EXCEPTIONS
        invalid_parameter_combination = 1
        program_error                 = 2
        too_many_lines                = 3
        OTHERS                        = 4
    ).
    DATA(lo_events) = NEW lcl_event_handler( ).
    SET HANDLER lo_events->on_toolbar FOR go_alv.
    SET HANDLER lo_events>on_user_command FOR go_alv.
    CALL METHOD go_alv->set_toolbar_interactive( ).
    WRITE: space.

Code: Alles auswählen.

CLASS lcl_event_handler DEFINITION FINAL.

  PUBLIC SECTION.
    METHODS:
      on_toolbar FOR EVENT toolbar OF cl_gui_alv_grid
        IMPORTING e_object,
      on_user_command FOR EVENT user_command OF cl_gui_alv_grid
        IMPORTING e_ucomm.

*    METHODS bind_view
*      IMPORTING
*        io_view TYPE REF TO lcl_view.
    METHODS set_handler.

  PROTECTED SECTION.

  PRIVATE SECTION.
*    DATA: mo_view TYPE REF TO lcl_view.

ENDCLASS.

CLASS lcl_event_handler IMPLEMENTATION.

  METHOD on_toolbar.
    DATA button  TYPE stb_button.
    CLEAR button.
    button-function  = 'XXX'.
    button-quickinfo = 'XXXX'.
    button-butn_type = 2.
    button-disabled  = abap_false.
    button-text = 'XXX'.
    APPEND button TO e_object->mt_toolbar.
  ENDMETHOD.

  METHOD on_user_command.
*BREAK-POINT gesetzt 
  ENDMETHOD.


ENDCLASS.