Here is the nugget to install objects via SAPLINK .

Create a report Z_HIDECOLUMNS and paste below code into it:

REPORT  z_hidecolumns .

* selection-screen parameters

PARAMETERS:

  show_d  TYPE flag DEFAULT 'X' ,

  show_e  TYPE flag DEFAULT 'X' ,

  show_f  TYPE flag DEFAULT 'X' .

* declare the context

DATA gs_context  TYPE zcontext_hidecolumns .

* fill the context

PERFORM fill_context .

* call the form

CALL FUNCTION 'ZXLWB_CALLFORM'

  EXPORTING

    iv_formname        = 'HIDECOLUMNS'

    iv_context_ref     = gs_context

  EXCEPTIONS

    process_terminated = 1

    OTHERS             = 2.

IF sy-subrc NE 0 .

  MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno

          WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4 .

ENDIF .

*&---------------------------------------------------------------------*

*&      Form  fill_context

*&---------------------------------------------------------------------*

FORM fill_context .

  DATA:

    ls_line           TYPE zcontext_hidecolumns_line ,

    lv_index_char     TYPE char10 .

* table header

  gs_context-header_show_d = show_d .

  gs_context-header_show_e = show_e .

  gs_context-header_show_f = show_f .

* table positions

  DO 10 TIMES .

    lv_index_char = sy-index . CONDENSE lv_index_char NO-GAPS .

    CLEAR ls_line .

    CONCATENATE 'A' lv_index_char INTO ls_line-a SEPARATED BY space .

    CONCATENATE 'B' lv_index_char INTO ls_line-b SEPARATED BY space .

    CONCATENATE 'C' lv_index_char INTO ls_line-c SEPARATED BY space .

    CONCATENATE 'D' lv_index_char INTO ls_line-d SEPARATED BY space .

    CONCATENATE 'E' lv_index_char INTO ls_line-e SEPARATED BY space .

    CONCATENATE 'F' lv_index_char INTO ls_line-f SEPARATED BY space .

    ls_line-show_d = show_d .

    ls_line-show_e = show_e .

    ls_line-show_f = show_f .

    APPEND ls_line TO gs_context-table .

  ENDDO .

ENDFORM .                    "fill_context

Result of the printing program execution: