CALL_SCREEN_0102 SAP Function module - Calling screen 0102

CALL_SCREEN_0102 is a standard SAP function module available within R/3 SAP systems depending on your version and release level. Below is the pattern details for this FM showing its interface including any import and export parameters, exceptions etc as well as any documentation contributions (Comments) specific to the object.

See here to view full function module documentation and code listing, simply by entering the name CALL_SCREEN_0102 into the relevant SAP transaction such as SE37 or SE80.

Associated Function Group: LMOB
Released Date: Not Released
Processing type: Normal fucntion module

Pattern for FM CALL_SCREEN_0102 - CALL SCREEN 0102

CALL FUNCTION 'CALL_SCREEN_0102' "Calling screen 0102
  EXPORTING
    i_whs_id =                  " ltak-lgnum    Warehouse id
    i_to_id =                   " ltak-tanum    Transfer Order
    i_field_name =              " dd03l-fieldname  Current field name
  IMPORTING
    o_whs_id =                  " ltak-lgnum    Warehouse id
    o_to_id =                   " ltak-tanum    Transfer Order
    o_screen_fcode =            " sy-ucomm      function key pressed by user
    o_field_name =              " dd03l-fieldname  Current field name
  EXCEPTIONS
    FAIL_IN_CALLING_SCREEN = 1  "
    FAIL_IN_PHYSICAL_SCREEN_NUMBER = 2  "
    .  "  CALL_SCREEN_0102

ABAP code example for Function Module CALL_SCREEN_0102

The ABAP code below is a full code listing to execute function module CALL_SCREEN_0102 including all data declarations. The code uses the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the original method of declaring data variables up front. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8).

DATA:
ld_o_whs_id  
 
 TYPE LTAK-LGNUM
,
ld_o_to_id  
 
 TYPE LTAK-TANUM
,
ld_o_screen_fcode  
 
 TYPE SY-UCOMM
,
ld_o_field_name  
 
 TYPE DD03L-FIELDNAME
.

 

SELECT single LGNUM 
  FROM LTAK 
  INTO @DATA(ld_i_whs_id).

 

SELECT single TANUM 
  FROM LTAK 
  INTO @DATA(ld_i_to_id).

 

SELECT single FIELDNAME 
  FROM DD03L 
  INTO @DATA(ld_i_field_name).

.

CALL FUNCTION 'CALL_SCREEN_0102'
  EXPORTING
    i_whs_id =                   ld_i_whs_id
    i_to_id =                    ld_i_to_id
    i_field_name =               ld_i_field_name
  IMPORTING
    o_whs_id =                   ld_o_whs_id
    o_to_id =                    ld_o_to_id
    o_screen_fcode =             ld_o_screen_fcode
    o_field_name =               ld_o_field_name
  EXCEPTIONS
    FAIL_IN_CALLING_SCREEN =     1
    FAIL_IN_PHYSICAL_SCREEN_NUMBER =    2
    .  "  CALL_SCREEN_0102

IF SY-SUBRC EQ 0.
  "All OK
ELSEIF SY-SUBRC EQ 1. "Exception
  "Add code for exception here
ELSEIF SY-SUBRC EQ 2. "Exception
  "Add code for exception here
ENDIF.

ABAP code to compare 7.40 inline data declaration with original syntax

The below ABAP code uses the older none in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. It may also be useful if you are using an older version of SAP as some of the newer syntax above, such as the @DATA is not available until 4.70 EHP 8.

DATA:

ld_o_whs_id
 
 TYPE LTAK-LGNUM ,
ld_i_whs_id
 
 TYPE LTAK-LGNUM ,
ld_o_to_id
 
 TYPE LTAK-TANUM ,
ld_i_to_id
 
 TYPE LTAK-TANUM ,
ld_o_screen_fcode
 
 TYPE SY-UCOMM ,
ld_i_field_name
 
 TYPE DD03L-FIELDNAME ,
ld_o_field_name
 
 TYPE DD03L-FIELDNAME .



SELECT single LGNUM 
  FROM LTAK 
  INTO ld_i_whs_id.


SELECT single TANUM 
  FROM LTAK 
  INTO ld_i_to_id.


SELECT single FIELDNAME 
  FROM DD03L 
  INTO ld_i_field_name.

SAP Documentation for FM CALL_SCREEN_0102