在选择屏幕上禁用参数输入 [英] Disable a parameter input at selection screen

问题描述

我在这样的选择屏幕上有屏幕过滤器

I have screen filter at selection screen like this

SELECTION-SCREEN BEGIN OF BLOCK a WITH FRAME.
PARAMETERS s_werks like resb-werks DEFAULT 'X' .

SELECT-OPTIONS: s_aufnr FOR in_param-aufnr,
                s_matnr FOR in_param-matnr,
                s_bldat FOR in_param-bldat.
SELECTION-SCREEN END OF BLOCK a.

，而我只想禁用s_werks参数，但要禁用SELECT-OPTIONS.

and I want to disable just s_werks parameter but SELECT-OPTIONS.

我要禁用它，因为它将是从表中填充的确切值，具体取决于sy-uname:)

I want to disable it because it'll be exact value which is filled from table depends on the sy-uname :)

如何实现?

推荐答案

您可以为此使用OUTPUT选择屏幕事件. 添加以下代码:

You can use the OUTPUT selection screen event for this. Add the following code:

AT SELECTION-SCREEN OUTPUT.
  LOOP AT SCREEN.
    IF screen-name = 'S_WERKS'.
      screen-input = 0.
      MODIFY SCREEN.
    ENDIF.
  ENDLOOP.

将此屏幕元素的input值更改为0会禁用输入，并使输入字段显示为灰色.

Changing the input value to 0 for this screen element will disable input and makes the input field appear as grayed out.

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