Release 10.1A: OpenEdge Development:
Progress 4GL Reference

DDE-TOPIC attribute

The topic name of the most recent conversation (for example, the "System" topic, or the name of an Excel worksheet such as "Sheet1").

Data type: CHARACTER

Access: Readable

Applies to: FRAME widget

This attribute applies to any frame in Windows that is a Dynamic Data Exchange (DDE) frame for a DDE conversation.