What are the events associated with Screen Painter?.
Events associated with Screen Painter in SAP ABAP.
1.
PROCESS BEFORE OUTPUT (PBO):
Ø
This event is triggered before the
screen is displayed.
Ø
It can also be triggered while
performing any action on the screen.
Ø
This is used to provide the default
values to the screen fields.
Ø
It can also be used to format the
screen elements dynamically.
2. PROCESS AFTER INPUT (PAI):
Ø
This event is triggered after the
Input values are provided to the screen.
Ø
This event is used to validate the
input data on the screens.
Ø
It can also be used to process the
screen data based on the performed action (pressed
push button menu item etc)
3. PROCESS ON HELP-REQUEST (POH):
Ø
This event is triggered when the
function key F1 or help icon (?) is pressed.
Ø
This event is used to provide the help
documentation on the screen fields.
Ø
The T-code: SE61/SO72 is used to maintain help documentation.
Ø
The standard function module
‘HELP_OBJECT_SHOW’ is used to display the maintain help documentation.
4. PROCESS ON
VALUE-REQUEST (POV):
Ø
This event is triggered in case of in
case of function key F4 or search help icon is pressed.
Ø
This event is used to populate &
display the custom search help on screen input fields.
Ø The standard function module “F4IF_INT_TABLE_VALUE_REQUEST” is used to display the populated internal table data as search help.
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