DDE Participant

Typically Obtains ID:

Client

As a return value from DDEInitiate.

Server

From the built-in function eventparam during execution of a stimulus response. The following table lists the various DDE tasks and the types of subroutines and functions used to perform them.

Task

Description

Polling for topics

Functions and subroutines that obtain information on the availability of server application/topic pairs.

Starting

Functions and subroutines necessary for

Conversations

both servers and clients to start conversations, as well as functions used for keeping track of active conversations.

Exchanging Data

Subroutines used to carry out the six types of data exchange transactions, as well as the subroutine for acknowledging receipt of data exchange request.

Terminating Conversations

Subroutines used to terminate existing conversations.

Getting Information on Existing Conversations

Functions that gain access to information about an active conversation.

Manipulating Status Variables

Functions used for setting and querying the individual flags in a status variable.

Default Processing Support

Function and subroutine used to enable or disable default processing.