DDE Shares
DDE shares are a machine resource. They are similar to file shares because
they are used to control access to a resource. With file shares, the resource is a
file. With DDE shares, the resource is dynamically exchanged data. The type of
data exchanged is determined by the server application that supplies the data
and the client application that requests the data.
The server calls the
NDdeShareAdd function to create the DDE share, which is stored in the DDE share database
manager (DSDM).
The client starts the DDE conversation by connecting to the DDE share. The
client must call the
DdeInitialize function to initialize DDEML and call the
DdeConnect function to connect to the DDE share. In the
DdeConnect call, the client specifies the service name
\\<ComputerName>\NDDE$
where <ComputerName> is the name of the computer running the server application. The NDDE$ indicates that the topic provided to
DdeConnect is the DDE share name on the remote computer named <ComputerName>.
There are three types of DDE shares: old style, new style, and static. It is
typical to support only the static type. The names of static shares follow the
convention <ShareName>$.
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