아래와같이 At selection-screen시 screen Loop를 통해

컨트롤을 조절할수있습니다.

아래는 체크박스를 눌렀을을 컴보박스를 나타나게 하려고 만든소스입니다.

참고하세요^^

 

AT SELECTION-SCREEN OUTPUT.
  PERFORM modify_screen.

======================================

 

FORM modify_screen .

  CASE ra_01_01.
    WHEN 'X'.
      LOOP AT SCREEN.
        CASE screen-group1.
          WHEN 'GR1'.
            screen-active = 1.
          WHEN 'GR2'.
            screen-active = 0.
        ENDCASE.
        MODIFY SCREEN.
      ENDLOOP.
  ENDCASE.

  CASE ra_01_02.
    WHEN 'X'.
      LOOP AT SCREEN.
        CASE screen-group1.
          WHEN 'GR1'.
            screen-active = 0.
          WHEN 'GR2'.
            screen-active = 1.
        ENDCASE.
        MODIFY SCREEN.
      ENDLOOP.
  ENDCASE.
ENDFORM.                    " MODIFY_SCREEN