Object Oriented (OO) ALV Seçilen Satırı Alma

DATA: lt_selliste LIKE gt_itab OCCURS 0 WITH HEADER LINE.
  
    DATA: t_rows TYPE lvc_t_row ,
     ls_rows TYPE LINE OF lvc_t_row ,
     t_rowno TYPE lvc_t_roid.


  CALL METHOD grid1->get_selected_rows
    IMPORTING
      et_index_rows = t_rows
      et_row_no     = t_rowno.

  DATA: lt_selliste LIKE gt_itab OCCURS 0 WITH HEADER LINE.

  CLEAR lt_selliste.
  REFRESH lt_selliste.
  CLEAR ls_rows.
  LOOP AT t_rows INTO ls_rows.
    READ TABLE gt_itab INDEX ls_rows-index.
    IF sy-subrc = 0.
      MOVE-CORRESPONDING  gt_itab TO lt_selliste.
      APPEND lt_selliste.
    ENDIF.
  ENDLOOP.