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POc++/cli interface header file
 

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    <p>I have a C++ project (visual studio 2010) which consists of native code and c++/cli code as well. I cant compile the whole project with /clr, so I just do it for the respective c++/cli files. My Problem is that a header file cant be compiled with /clr, but I want to make some c++/cli functions reusable within the whole project and therefor define the method prototypes in a header file to include it in every file where I need it. Is there a solution? I have tried to define some mixed code method prototypes in a header file, but /clr must be switched on for that to compile.</p> <p>Here is my example:</p> <p>Test.h</p> <pre><code>#include &lt;Windows.h&gt; #include &lt;vector&gt; #include &lt;string&gt; using std::vector; using std::string; #include &lt;msclr/marshal.h&gt; #pragma managed using namespace msclr::interop; using namespace System; using namespace System::IO; using namespace System::Runtime::InteropServices; public ref class Test { public: int Foo(); }; </code></pre> <p>Test.cpp</p> <pre><code>#include "Test.h" int Test::Foo() { return 4; } </code></pre> <p>Intellisense is complaining with errors in Test.h like c++/cli must be enabled to use #using. But I think this is negligible and it would compile anyway.</p> <p>Compilation aborts with a Linker Error (sry, i have german VS version)</p> <pre><code>Fehler 6 error LNK1255: Fehler bei Verknüpfung aufgrund von Metadatenfehlern. Fehler 4 error LNK2022: Fehler bei Metadatenoperation (8013118D) : Duplizierte Typen (_PROPSHEETPAGEA) wurden gefunden, aber die Typenlayoutinformationen sind nicht konsistent: (0x02000198). Fehler 5 error LNK2022: Fehler bei Metadatenoperation (8013118D) : Duplizierte Typen (_PROPSHEETPAGEW) wurden gefunden, aber die Typenlayoutinformationen sind nicht konsistent: (0x020001d1). </code></pre> <p>I definitely dont have a duplicate class "Test" elsewhere, so I dont know where the duplicate comes from. What are typelayout informations and why are they not consistent?</p>
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    1. COHow can you compile part of the project with /clr and part without? And why doesn't your native code work with /clr?
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    2. COIts a plugin for 3dsMax and compilation of the whole project with /clr doesnt work, I got a lot of errors. The recommended way by Autodesk is to compile only the c++/cli code parts with /clr on. For every .cpp file you can set "Use Common language runtime" in the properties.
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    3. COCould you post a succinct example of a header file and using cpp file that wouldn't compile? Also, is the header file being consumed by both a /clr cpp and a non-/clr cpp?
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      1. USMatt Smith
 

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