sap ABAP program for POP-UP Window

You had 1 button in the application toolbar of the selection screen, when you click that button, a pop-up window should be displayed containing 3 fields. the data to be displayed depends on the values entered by the user.

1) How to get the pop-up window? Is there any func. module is there?

2) and how to get the fields in the pop-up window? if any func. module is there , what are the parameters to be passed?

USE THIS fm POPUP_TO_DECIDE_INFO .

Parameters required for this FM is the Text you require to display on the popup window.

Two buttons automatically comes on this window a Tick and a x sign if you click tick the output varaible ANSWER is J else it is A .

or

See the below Example:

AT SELECTION-SCREEN ON VALUE-REQUEST FOR SEL_NBA-LOW.
PERFORM ZNEW_VALUE_HELP_NBA.

FORM ZNEW_VALUE_HELP_NBA.

SELECT DISTINCT ZBAREA FROM ZDIVNBABU INTO TABLE ITAB_NBA.

CALL FUNCTION 'POPUP_WITH_TABLE_DISPLAY'
EXPORTING
ENDPOS_COL = 30
ENDPOS_ROW = 40
STARTPOS_COL = 20
STARTPOS_ROW = 30
TITLETEXT = 'Please Choose Your Entry'
IMPORTING
CHOISE = COUNTS
TABLES
VALUETAB = ITAB_NBA
EXCEPTIONS
BREAK_OFF = 1
OTHERS = 2.
IF COUNTS NE 0.
READ TABLE ITAB_NBA INDEX COUNTS.
SEL_NBA-LOW = ITAB_NBA-ZBAREA.
ENDIF.
CLEAR :ITAB_NBA,COUNTS.REFRESH:ITAB_NBA.

ENDFORM. " ZNEW_VALUE_HELP_NBA