Application.DDEInitiate (Excel)

Opens a DDE channel to an application.

If successful, the DDEInitiate method returns the number of the open channel. All subsequent DDE functions use this number to specify the channel.

DDEInitiate (App, Topic)

Arguments

The following arguments are required:

App (String) - The application name.

Topic (String) - Describes something in the application to which you are opening a channel, usually a document of that application.