Creating a Wrapper

This is a discussion on Creating a Wrapper within the Windows Programming forums, part of the Platform Specific Boards category; Hi guys + girls, This is my second post on the forum. Finding it useful, not been programming with C++ ...

  1. #1
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    Nov 2010
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    Creating a Wrapper

    Hi guys + girls,

    This is my second post on the forum. Finding it useful, not been programming with C++ for too long, although am not new to programming in general.

    Okay...

    There is a C++ DLL, Header file and Library. I have been using these within my win32 native C++ projects fine.

    I want to create a wrapper so I can use/call certain functions from a managed language.

    Am I thinking along the right lines with this whole concept (bearing in mind I do not have access to the original DLL's source...)

    1) Create a new C++ DLL project that uses the original DLL and calls functions like the win32 app does. Create methods which do what require using the origna DLL methods.

    2) Create these methods in a way that they can be exported.

    3) Then create a .Net project and use the DLL created above, calling functions from it that go away and do the business and simply return back things of importance back.

    So it would look a little like this:

    API DLL
    getSomething ();
    doSomething ();
    createSomething ();

    My DLL
    __declspec(dllexport) myMethod {creatSomething (), doSomething ()}

    .NET
    myMethod ();

    Am I along the right lines?

  2. #2
    Registered User
    Join Date
    Nov 2010
    Posts
    9

    Thumbs up

    Solved...for now anyway.

    There were problems with the properties of the new DLL project.

    I have been doing a fair bit of reading around the subject, passing stuff between the unmanaged and managed etc so if anyone needs some intermediate help on the subject I can give it a shot

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