GDDM V3R2 Base Application Programming Guide
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Alphanumeric text

GDDM V3R2 Base Application Programming Guide
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The primary purpose of alphanumeric text in GDDM applications is for interacting with the end user. Alphanumeric functions provide a good way of prompting end-users to take actions and of processing their responses.

There are three different ways of including alphanumeric functions in your programs: procedural alphanumerics, mapped alphanumerics, and high-performance alphanumerics. To help you decide which method to use, see "Comparison of the three methods of implementing alphanumeric functions" in topic 3.3.

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