3.2.3 Initialization

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A NetDDE conversation is initialized by a client as follows. See [MSDN-NETDDE] for additional information.

  1. The NetDDE client machine initiates the DDE conversation using DdeConnect ([MSDN-DdeConnect]). The DdeConnect service name MUST be of the form "\\computername\NDDE$", where computername is the NetBIOS name of the server machine. The DdeConnect topic name MUST be "CLPBK$".

  2. The client then sends an XTYP_EXECUTE notification (section 2.2.1.4) to the server with a CMD_INITSHARE (section 3.1.5.1.1) message as the contents of DdeClientTransaction ([MSDN-DdeClientTransaction]).