ILE C/C++ Programmer's Guide

Display Files and Subfiles

A display file is used to define the format of the information that you wish to present on a display. It is also defines how that information is processed by the system on its way to and from the display.

A subfile is a display file that contains a group of records with the same record format that can be accessed by relative record number. The records of a subfile can be displayed on a display station. The system sends the entire group of records to the display in a single operation and receives the group from the display in another operation. The object type for both is *FILE.

To work with externally described display files use one of the following:

I/O Considerations for Display Files

I/O Considerations for Subfiles


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