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ABL Reference
Handle Attributes and Methods Reference : DDE-ID attribute
 

DDE-ID attribute

(Windows only)
The DDE channel number of the most recent conversation involved in an exchange.
This attribute is supported only for backward compatibility. Use the Component Object Model (COM) instead.
Data type: INTEGER
Access: Read-only
Applies to: FRAME widget
This attribute applies to any frame in Windows that is a Dynamic Data Exchange (DDE) frame for a DDE conversation.