原文：Small Fire · VA02 字段增强控制 · SAP 业务 子专栏 · Small Fire 技术笔记

MV45AFZZ

SAP 预留的控制销售订单界面字段状态的增强。

FORM userexit_field_modification.
  IF sy-tcode EQ 'VA02' AND vbak-auart = 'ZXXX'.
    CASE screen-name.
      WHEN 'VBKD-BSTKD'.
        screen-input = 0.
      WHEN 'VBKD-BSTKD_E'.
        screen-input = 0.
    ENDCASE.
  ENDIF.
ENDFORM.