DDELib                                 TechSmith Corporation

        Assists DDE Application Development A Library for Implementing
        DDE DDELib is a dynamic link library for Microsoft Windows 3.0
        programmers who are developing dynamic data exchange (DDE)
        applications.  This library provides a set of software functions
        that implement the complex details of the DDE protocol.  By
        using DDELib, application developers can quickly and easily
        generate powerful DDE software.

        Saves Time
        DDELib saves time because it frees programmers from many details
        of the DDE protocol. Memory management tasks are simplified, and
        the need to process DDE messages, issue acknowledgements, or
        handle atoms is eliminated.  As a result, programmers can
        concentrate on processing data, not DDE.

        Easy to Use
        DDELib reduces complex tasks to simple function calls by
        providing an intuitive application program interface.

        For example, the code fragment:

           hDDE=DDEInitiate("Excel", "sheet1");

        initiates a DDE session with Microsoft's Excel. All functions
        provided by DDELib are clearly documented, making DDELib easy to
        use.

        Powerful DDE Support
        DDELib performs advanced DDE communications.  For example,
        DDELib supports the fAckReq flow control strategy, the fDeferUpd
        warm and hot links, and any valid setting of the fRelease memory
        management scheme.  DDELib provides functionality beyond the DDE
        protocol, including a facility to keep track of active advise
        circuits, which is useful for developing DDE server
        applications.

        Includes Sample Programs
        Sample programs included with DDELib illustrate how to use the
        library to build client and server applications.  For example,
        AccExcel demonstrates how to interface with Excel, while Session
        and SessUtil show how to build a server application that
        supports multiple clients. The versatility of DDELib is shown by
        Sub, which operates a submarine in a fish tank.

        Availability
        DDELib for Windows 3.0 is available now from TechSmithTM. The
        single user price is $295.  There are no run-time royalties.
        Source code and two hours of telephone support are available for
        an additional $500.  Visa / Master Card.

        TechSmith Corporation
        1745 Hamilton Road, Suite 300 Okemos, MI  48864
        (517) 347-0800

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