SAP NetWeaver AS ABAP Release 740, ©Copyright 2014 SAP AG. All rights reserved.
ABAP Keyword Documentation → ABAP − Reference → User Dialogs →Screens
A screen, sometimes also known as a "dynpro", which is an abbreviation for "dynamic program", is an object of the repository, and always exists as a component of an ABAP program. It consists of a screen layout with its screen elements, and the flow logic. Screen fields are assigned to the screen elements.
The flow logic contains processing blocks for events that are triggered before a screen is sent, and after user action on the displayed screen. Screens are edited using the Screen Painter tool. Screens, together with the new Web-oriented features of SAP NetWeaver, therefore form the basis of user dialogs in an AS ABAP.
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