ALV 双击单元格查看字段长文本内容

READ TABLE gt_main INTO gs_main INDEX us_selfield-tabindex.
  IF us_selfield-fieldname EQ 'SUBJECT'.
     APPEND gs_main-subject TO lt_ltext.
     lv_title = 'Subject Display'.
  ENDIF.
IF lt_ltext[] IS NOT INITIAL.
        CALL FUNCTION 'ADA_POPUP_WITH_TABLE'
          EXPORTING
            startpos_col = 1
            startpos_row = 1
            titletext    = lv_title
*           WORDWRAP_POSITION       =
          TABLES
            valuetab     = lt_ltext.
      ENDIF.