Programming Guide - Actian

Chapter 1: IntroductionThis section contains the following topics:In This Guide (see page 13)Intended Audience (see page 14)Conventions (see page 15)Documentation (see page 16)Your Support Options (see page 17)The Programming Guide provides an overview of how to program inOpenROAD ® by describing basic tasks, such as structuring an application andinteracting with the database.In This GuideSpecific topics covered in this guide include:• Language elements• Writing scripts and procedures• Programming frames• Working with classesThis topic discusses how system and user classes make an object-orientedapproach to programming possible.• Working with arrays, table fields, collections, list views, tree views,images, and text strings• Using 3GL in your applicationThis topic includes sample 3GL procedures.• Handling data entry errors and managing event queuesThis topic includes examples of different types of data entry error handlers.• Inter-frame communication techniques• Creating dynamic frames and creating frames at runtime• Writing a template assistant• Preprocessing your 4GL code• Debugging your applicationIntroduction 13