NET/MASTER Network Control Language (NCL) Programmer's Guide

Contents
106160 Tandem Computers Incorporated xix
Obtaining Input From a Panel 14-61
Obtaining Data in Input Field Variables 14-61
Controlling Function Key Interception and Translation 14-61
Handling Internal Validation Errors 14-67
Internal Validation Facilities 14-68
Automatic Internal Validation 14-69
Advanced Internal Validation 14-69
Discovering Which Input Fields Have Changed 14-70
Controlling Input Field Initialization 14-70
Controlling Input Field Formats 14-71
Controlling Output Field Attributes 14-71
Handling Input From Asynchronous Panels 14-72
Coordinating Input Notification 14-73
System Variables Set by the PANEL Verb 14-74
Return Codes From Synchronous Panels 14-74
Return Codes From Asynchronous Panels 14-76
Testing a Panel 14-77
Panel Skipping and Navigation in the Panel Hierarchy 14-79
Primary Menus and General Menus 14-80
Panel Skipping and the END and RETURN Functions 14-80
Default Panel Skip Handling 14-81
Explicit Panel Skip Handling 14-83
Section 15 Working With Pathway Server Classes
Pathway, NonStop NET/MASTER MS, and NCL 15-2
PATHMON and PATHCOM 15-4
Requesters and Servers 15-4
The PATHSEND Interface 15-4
Using NCL Processes as PATHSEND Requesters 15-5
Using Panels for Screen Displays 15-5
Using User-Defined Maps to Define Message Structure 15-6
Controlling Access to a Server Class by NonStop NET/MASTER MS 15-6
Making a Server Class Available to NonStop NET/MASTER MS 15-6
Disassociating a Server Class From a Server Class Identifier 15-8
Making a Server Class Unavailable to NonStop NET/MASTER
MS 15-10
Displaying Server Class Information 15-10
Displaying Status Information About Server Classes 15-10
Displaying Information About Server Class Users 15-11