Pathmaker Programming Guide

Contents
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Section 5 Creating Requesters
Requester Development Overview 5-1
Defining the Requester and Its Screen 5-1
The Default Screen 5-2
Modifying the Default Screen 5-2
Coordinating IPC Messages and Parameters 5-3
Generating and Compiling SCREEN COBOL Source Code 5-3
Screen and Task Summaries 5-5
Requester Definition Tasks 5-8
Defining Requesters 5-8
Selecting a Requester Type 5-9
Initial Requesters 5-13
Controlling Default Screen Layout 5-15
DDL Clauses That Affect Default Screen Layout 5-15
Attributes that Affect Default Screen Layout 5-17
Modifying the Default Screen 5-31
Specifying CALL and SEND Parameters 5-32
Requester Parameters 5-33
CALL Parameters 5-34
SEND Parameters 5-36
Generating Requesters 5-41
Requester Generation Phases 5-41
Files Used to Generate a Requester 5-42
Creating DB Requesters 5-44
DB Requester Guidelines 5-44
Record Instance Detail Screen 5-44
Creating Requesters for 3270 Terminals 5-46
Creating Requesters for Kanji Terminals 5-48
Defining Data for a Kanji Application 5-48
Developing a Kanji Application 5-48
Running a Kanji Application 5-49
Considerations for the IBM 5550 Family of Terminals 5-50