SAP REUSE_ALV_LIST_WIDTH_GET Function Module for Calculate list width

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REUSE_ALV_LIST_WIDTH_GET is a standard reuse alv list width get SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Calculate list width processing and below is the pattern details for this FM, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.

See here to view full function module documentation and code listing for reuse alv list width get FM, simply by entering the name REUSE_ALV_LIST_WIDTH_GET into the relevant SAP transaction such as SE37 or SE38.

Function Group: SALV
Program Name: SAPLSALV
Main Program: SAPLSALV
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function REUSE_ALV_LIST_WIDTH_GET pattern details

In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.

CALL FUNCTION 'REUSE_ALV_LIST_WIDTH_GET'"Calculate list width
  EXPORTING
   IT_FIELDCAT =  "
*  IS_LAYOUT =  "

 IMPORTING
   E_WIDTH =  "List width

.

IMPORTING Parameters details for REUSE_ALV_LIST_WIDTH_GET

IT_FIELDCAT -

Data type: SLIS_T_FIELDCAT_ALV
Optional: No
Call by Reference: No ( called with pass by value option)

IS_LAYOUT -

Data type: SLIS_LAYOUT_ALV
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXPORTING Parameters details for REUSE_ALV_LIST_WIDTH_GET

E_WIDTH - List width

Data type: SY-LINSZ
Optional: No
Call by Reference: No ( called with pass by value option)

Copy and paste ABAP code example for REUSE_ALV_LIST_WIDTH_GET Function Module

The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than 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 newer method of declaring data variables on the fly. 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), which i why i have stuck to the origianl for this example.

ABAP code using 7.40 inline data declarations to call FM REUSE_ALV_LIST_WIDTH_GET

The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.

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