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POManaged C++ unresolved token
 

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    <p>I'm new to managed C++.</p> <p>I have two managed C++ projects in a single .sln, Project Lib and Project LibTest. LibTest makes use of Lib.</p> <p>Lib compiles and links fine. The project is set as a .dll.</p> <p>LibTest is also compiled as .dll, but when it goes into linking, I get "unresolved token" on all of the Lib::methods. Those methods definitions are defined in the Lib .cpp file.</p> <p>If I moved the definitions into the Lib.h file, everything works.</p> <p>I have already modified LibTest's Reference to depend on Lib project.</p> <p>What am I missing?</p> <p><strong>EDIT</strong>: Okay here's exactly what I have and it still doesn't work.</p> <p>First off, I'm using Visual Studio 2008 SP1.</p> <p>Secondly, when I did a similar exercise in C#, it worked fine.</p> <p>I created an empty C++ CLR project. I added a Lib project. I added a managed class. VSTD generated Lib.h and Lib.cpp. The constructor is automatically generated.</p> <p>Then I added another project to my solution; I called it LibTest. I added another managed class called LibTest. LibTest.h and LibTest.cpp are generated. I tried to instantiate Lib in LibTest constructor, but during linking it simply said:</p> <p>1>LibTest.obj : error LNK2020: unresolved token (06000002) Lib::.ctor</p> <p>Here's the exact code:</p> <p><strong>Lib Project (compiled as .dll project)</strong></p> <pre><code>//Lib.h #pragma once ref class Lib { public: Lib(void); }; //Lib.cpp #include "Lib.h" Lib::Lib(void) { } </code></pre> <p><strong>LibTest Project (compiled as application.exe)</strong></p> <pre><code>// LibTest.h #pragma once ref class LibTest { public: LibTest(void); }; // LibTest.cpp #include "LibTest.h" #include "Lib.h" LibTest::LibTest(void) { Lib^ lib = gcnew Lib; } int main() { return 0; } </code></pre>
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    1. COWow..I must say..coming from unmanaged C++..I have ALWAYS wanted the development environment (in this case the VSTD IDE) to manage the #include, and all the library linking without me having to explicitly specify it. This is pretty amazing! I wish to tell the whole unmanaged C++ world of this! (I'm only 6 years behind! =p)
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