You have to write the DDE client application in your favourite programming language. You can contact Microsoft for a DDE DDE was originally called Dynamic Data Linking, or DDL. It is aMicrosoft Windows 3 hotlink protocol that allows application programs to communicate using a client-server model. Whenever the server (or "publisher") modifies part of a document which is being shared via DDE, one or more clients ("subscribers") are informed and include the modification in the copy of the data on which they are working. client skeleton code sample to use in initializing Visual Basic for DDE.

In a synchronous transaction the client specifies a time-out value that specifies the maximum amount of time it will wait for the server to process the transaction. The BASIC DDE Client transaction functions DdeRequest, DdePoke and DdeExecute do not return until the server processes the transaction, the transaction fails, or the time-out value expires. The client program specifies the time-out value when it calls the transaction functions. Only one synchronous transaction can occur at a time between your application and QWS3270 Secure.

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