SAP LIST_SCROLL_LINE_TOPMOST Function Module for Scroll List Display: Selected Line Becomes First Line
LIST_SCROLL_LINE_TOPMOST is a standard list scroll line topmost SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Scroll List Display: Selected Line Becomes First Line 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 list scroll line topmost FM, simply by entering the name LIST_SCROLL_LINE_TOPMOST into the relevant SAP transaction such as SE37 or SE38.
Function Group: SYSF
Program Name: SAPLSYSF
Main Program: SAPLSYSF
Appliation area: S
Release date: 31-Oct-1995
Mode(Normal, Remote etc): Normal Function Module
Update:

Function LIST_SCROLL_LINE_TOPMOST 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 'LIST_SCROLL_LINE_TOPMOST'"Scroll List Display: Selected Line Becomes First Line.
EXPORTING
* LIST_INDEX = SLIST_INDEX_DEFAULT "List index
LIST_LINE = "List line number
* LIST_PAGE = 0 "List page number
IMPORTING
SCROLL_LINE = "List line number for SCROLL command
EXCEPTIONS
LIST_INDEX_INVALID = 1 LIST_LINE_NOT_FOUND = 2 NO_LIST_ACTIVE = 3 WINDOW_TOO_SMALL = 4
IMPORTING Parameters details for LIST_SCROLL_LINE_TOPMOST
LIST_INDEX - List index
Data type: SY-LSINDDefault: SLIST_INDEX_DEFAULT
Optional: Yes
Call by Reference: No ( called with pass by value option)
LIST_LINE - List line number
Data type: SY-LILLIOptional: No
Call by Reference: No ( called with pass by value option)
LIST_PAGE - List page number
Data type: SY-PAGNOOptional: Yes
Call by Reference: No ( called with pass by value option)
EXPORTING Parameters details for LIST_SCROLL_LINE_TOPMOST
SCROLL_LINE - List line number for SCROLL command
Data type: SY-LILLIOptional: No
Call by Reference: No ( called with pass by value option)
EXCEPTIONS details
LIST_INDEX_INVALID - Invalid list index (LIST_INDEX)
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
LIST_LINE_NOT_FOUND - Invalid list line (LINE or PAGE)
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
NO_LIST_ACTIVE - List processing is not active
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
WINDOW_TOO_SMALL - List line cannot be displayed
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for LIST_SCROLL_LINE_TOPMOST 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.| DATA: | ||||
| lv_list_index | TYPE SY-LSIND, " SLIST_INDEX_DEFAULT | |||
| lv_scroll_line | TYPE SY-LILLI, " | |||
| lv_list_index_invalid | TYPE SY, " | |||
| lv_list_line | TYPE SY-LILLI, " | |||
| lv_list_line_not_found | TYPE SY, " | |||
| lv_list_page | TYPE SY-PAGNO, " 0 | |||
| lv_no_list_active | TYPE SY, " | |||
| lv_window_too_small | TYPE SY. " |
|   CALL FUNCTION 'LIST_SCROLL_LINE_TOPMOST' "Scroll List Display: Selected Line Becomes First Line |
| EXPORTING | ||
| LIST_INDEX | = lv_list_index | |
| LIST_LINE | = lv_list_line | |
| LIST_PAGE | = lv_list_page | |
| IMPORTING | ||
| SCROLL_LINE | = lv_scroll_line | |
| EXCEPTIONS | ||
| LIST_INDEX_INVALID = 1 | ||
| LIST_LINE_NOT_FOUND = 2 | ||
| NO_LIST_ACTIVE = 3 | ||
| WINDOW_TOO_SMALL = 4 | ||
| . " LIST_SCROLL_LINE_TOPMOST | ||
ABAP code using 7.40 inline data declarations to call FM LIST_SCROLL_LINE_TOPMOST
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.| "SELECT single LSIND FROM SY INTO @DATA(ld_list_index). | ||||
| DATA(ld_list_index) | = SLIST_INDEX_DEFAULT. | |||
| "SELECT single LILLI FROM SY INTO @DATA(ld_scroll_line). | ||||
| "SELECT single LILLI FROM SY INTO @DATA(ld_list_line). | ||||
| "SELECT single PAGNO FROM SY INTO @DATA(ld_list_page). | ||||
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