COBOL/400 Programming

1. Introduction

* COBOL Divisions
* Defining files and Processing data
* SDA
* RLU

2. Working with Screen Indicators

* Numbered indicators
* Using a separate indicator area
* Manipulating indicators in COBOL/400
* Conditioning Display attributes
* Conditioning Fields Overlapping Fields
* Naming indicators

3. COBOL/400 Specifics

* Select/Assign for display files
* Using the IO Feedback Area
* READ Verb
* WRITE Verb

4. Designing Display files

* Defining Display Files in COBOL
* Using the I-O Feedback Area
* Single and Multi-format Displays
* User-friendly Pop-up Windows
* COBOL/400 Design Issues
* Defining Display File Data Structures
* Using Indicators
* Using the I-O Feedback Area
* Using File Status Codes

5. Handling Error and Informational Messaging

* Using ERRMSG
* Using ERRSFL
* How to Use API's for Fast, Efficient Messaging
* Create and Apply User Message Files
* Tailor Dynamic Messaging for Program-specific Edits

6. Avoiding Record Locking Problems

7. Using Subfiles in COBOL

* Types of Subfile Displays
* Subfile Program Structure
* Subfile vs. Non-subfile Implementations
* DDS Keyword Interaction with COBOL/400
* Displaying a Subfile for Data Inquiry
* Subfile Loading Techniques Page-at-a-time vs. Full Load PageUp and PageDown Keys
* Record Selection and Positioning

8. Windows

* Using Windows in your displays
* Window borders
* Creating Help Text in a Window