Sample ABAP Program for Module Pool Skeleton

PROGRAM YMPSKEL MESSAGE-ID YL.
*-----------------------------------------------------------------------
* DESCRIPTION
* written by !
*-----------------------------------------------------------------------
* TABLES:

DATA: OK_CODE(4), " ok code - screen 1
OK_CODE2(4).
DATA C LIKE SY-INDEX. " Index for screen loop
*&---------------------------------------------------------------------*
*& Module USER_COMMAND_0100 INPUT
*&---------------------------------------------------------------------*
* process after input for screen 0100 *
*----------------------------------------------------------------------*
MODULE USER_COMMAND_0100 INPUT.

CASE OK_CODE.
WHEN 'SAVE'.
*
WHEN 'DISP'.
*
WHEN 'LIST'.
C = 0. "reset loop control
*
WHEN OTHERS.
*
ENDCASE.
CLEAR OK_CODE.
ENDMODULE. " USER_COMMAND_0100 INPUT
*&---------------------------------------------------------------------*
*& Module STATUS_0100 OUTPUT
*&---------------------------------------------------------------------*
* process before output for screen 0100 *
*----------------------------------------------------------------------*
MODULE STATUS_0100 OUTPUT.
SET PF-STATUS 'AMEND'. " set gui status
SET TITLEBAR '100'. " set title
ENDMODULE. " STATUS_0100 OUTPUT
*&---------------------------------------------------------------------*
*& Form SAVE data
*&---------------------------------------------------------------------*
* Save screen details
*&---------------------------------------------------------------------*
FORM SAVE.
*
CLEAR OK_CODE.
ENDFORM.
*&---------------------------------------------------------------------*
*& Form DISPLAY
*&---------------------------------------------------------------------*
*----------------------------------------------------------------------*
FORM DISPLAY.
*
*

ENDFORM.
*&---------------------------------------------------------------------*
*& Module EXIT_COMMAND INPUT
*&---------------------------------------------------------------------*
* exit commands are processed before validation *
* defined by E against function in menu painter(function list)
*----------------------------------------------------------------------*
MODULE EXIT_COMMAND INPUT.

CASE OK_CODE.
WHEN 'EXIT'. CLEAR OK_CODE. SET SCREEN 0. LEAVE SCREEN.
WHEN 'CANC'. CLEAR OK_CODE. SET SCREEN 0. LEAVE SCREEN.
WHEN 'BACK'. CLEAR OK_CODE. SET SCREEN 0. LEAVE SCREEN.
ENDCASE.
ENDMODULE. " EXIT_COMMAND INPUT
*&---------------------------------------------------------------------*
*& Form list
*&---------------------------------------------------------------------*
* text *
*----------------------------------------------------------------------*
FORM LIST.


CLEAR OK_CODE. SET SCREEN 200. LEAVE SCREEN.

ENDFORM. " LIST
*&---------------------------------------------------------------------*
*& Module EXIT_COMMAND_200 INPUT
*&---------------------------------------------------------------------*
* exit command processing for screen 200 *
* defined by E against function in menu painter(function list)
*----------------------------------------------------------------------*
MODULE EXIT_COMMAND_200 INPUT.

CASE OK_CODE2.
WHEN 'EXIT'. CLEAR OK_CODE2. SET SCREEN 0. LEAVE SCREEN.
WHEN 'CANC'. CLEAR OK_CODE2. SET SCREEN 0. LEAVE SCREEN.
WHEN 'BACK'. CLEAR OK_CODE2. SET SCREEN 100. LEAVE SCREEN.
ENDCASE.
ENDMODULE. " EXIT_COMMAND_200 INPUT
*&---------------------------------------------------------------------*
*& Module STATUS_0200 OUTPUT
*&---------------------------------------------------------------------*
* process before output for screen 200 *
*----------------------------------------------------------------------*
MODULE STATUS_0200 OUTPUT.
SET PF-STATUS 'POPUP'.
* SET TITLEBAR 'xxx'.

ENDMODULE. " STATUS_0200 OUTPUT