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POStandard structure of a C++/CLI program which uses generics?
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2012-12-13T12:49:44.013
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I would be grateful if anyone could point me in the direction of some sample code or project that has a C++/CLI class split between a header (.h) and code file (.cpp), which uses generics with its member functions. I am having some trouble compiling, as I am attempting to treat generics, syntactially, the way I would templates in an unmanaged C++ project, and can't seem to find any good examples of generics being used in a split file. And yes, this is my first time trying to build a project in C++/CLI. Here's my code, if anyone can spot the errors: The C++/CLI .dll: <pre><code>.h: #ifndef __ManagedCPlusPlus_h__ #define __ManagedCPlusPlus_h__ //#include "CPlusPlusArray.h" using namespace System; class CPlusPlusArray; namespace ManagedCPlusPlusArray { generic<typename S2, typename I2> public ref class ManagedCPlusPlusArray { public: ManagedCPlusPlusArray(S2 size); void SetItem(S2 index, I2 value); I2 GetItem(S2 index); S2 Size(void); virtual ~ManagedCPlusPlusArray(void); private: CPlusPlusArray* m_cppa; }; } #endif .cpp: // This is the main DLL file. #include <STDIO.H> //#include "stdafx.h" #include "ManagedCPlusPlusArray.h" #include "CPlusPlusArray.h" using namespace System::Runtime::InteropServices; namespace ManagedCPlusPlusArray { generic<typename S2, typename I2> ManagedCPlusPlusArray<S2,I2>::ManagedCPlusPlusArray(S2 size) { this->m_cppa = new CPlusPlusArray(size); } generic<typename S2, typename I2> void ManagedCPlusPlusArray<S2,I2>::SetItem(S2 index, I2 value) { this->m_cppa->SetItem(index, value); } generic<typename S2, typename I2> I2 ManagedCPlusPlusArray<S2,I2>::GetItem(S2 index) { return this->m_cppa->GetItem(index); } generic<typename S2, typename I2> S2 ManagedCPlusPlusArray<S2,I2>::Size(void) { return this->m_cppa->Size(); } generic<typename S2, typename I2> ManagedCPlusPlusArray<S2,I2>::~ManagedCPlusPlusArray(void) { delete this->m_cppa; this->m_cppa = NULL; } } </code></pre> The C++ .dll: <pre><code>.h: #ifndef __CPlusPlusArray_h__ #define __CPlusPlusArray_h__ //more about this in reference 1 #ifdef CPLUSPLUSARRAY_EXPORTS #define CPLUSPLUSARRAY_API __declspec(dllexport) // export DLL information #else #define CPLUSPLUSARRAY_API __declspec(dllimport) // import DLL information #endif template <typename I, typename S> class CPLUSPLUSARRAY_API CPlusPlusArray { private: S _size; I _items[]; public: CPlusPlusArray(S size); void SetItem(S index, I value); I GetItem(S index); S Size(void); ~CPlusPlusArray(void); }; #endif .cpp: #include <iostream> #define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers #include <windows.h> #include "CPlusPlusArray.h" #ifdef _MANAGED #pragma managed(push, off) #endif BOOL APIENTRY DllMain( HMODULE /*hModule*/, DWORD ul_reason_for_call, LPVOID /*lpReserved*/) { switch (ul_reason_for_call) { case DLL_PROCESS_ATTACH: case DLL_THREAD_ATTACH: case DLL_THREAD_DETACH: case DLL_PROCESS_DETACH: break; } return TRUE; } #ifdef _MANAGED #pragma managed(pop) #endif template <typename I, typename S> CPlusPlusArray<I, S>::CPlusPlusArray(S size) { this->_size = size; this->_items = new I[this->_size]; } template <typename I, typename S> void CPlusPlusArray<I, S>::SetItem(S index, I value) { this->_items[index] = val; } template <typename I, typename S> I CPlusPlusArray<I, S>::GetItem(S index) { return this->_item[index]; } template <typename I, typename S> S CPlusPlusArray<I, S>::Size(void) { return this->_size; } template <typename I, typename S> CPlusPlusArray<I, S>::~CPlusPlusArray(void) { delete[] this->_items; } </code></pre>
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<.net><visual-c++><generics><c++-cli>
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Standard structure of a C++/CLI program which uses generics?
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