The features described in this topic are obsolete
and should not be used in new IDL code.

DDE Routines

These routines are obsolete and should not be used in new IDL code.

Windows-Only Routines for Dynamic Data Exchange (DDE)

IDL for Windows supports DDE client capability for cold DDE links. The relevant system calls are documented below:

Result = DDE_GETSERVERS()

This function returns an array of service names for the currently-available DDE servers.

Result = DDE_GETTOPICS(server)

This function returns the topics list for the specified server. The server argument is a scalar string containing the name of the desired DDE server.

Result = DDE_GETITEMS(server)

This function returns the items list for the specified server. The server argument is a scalar string containing the name of the desired DDE server.

Result = DDE_REQUEST(server, topic, item)

This function returns the requested data in string format. The server, topic, and item arguments must be scalar strings.

DDE_EXECUTE, server, topic, command

This procedure causes the DDE server to execute the command for the specified topic. The server, topic, and command arguments must be scalar strings.