C / C++ / MFC

// C# Function Call
RenderEngine.LoadNewMesh("BasicMesh", "Pyramid3", 1);

// Managed C++ Wrapper Function
void RenderEngine::LoadNewMesh(String^ meshType, String^ meshName, int nSubsets)
{
	char* cMeshType = (char*)(void*)Marshal::StringToHGlobalAnsi(meshType);
	char* cMeshName = (char*)(void*)Marshal::StringToHGlobalAnsi(meshName);

	m_engineRoot->LoadMesh.LoadNewMesh(cMeshType, cMeshName, nSubsets);
}

// Native C++ Function
void MeshLoader::LoadNewMesh(char* meshType, char* meshName, UINT nSubsets)
{
	//char* 
        m_meshType						= meshType;
	//char* 
        m_meshName						= meshName;
	m_nSubsets						= 0;
	m_nTotalSubsets					        = nSubsets;

	m_pMesh							= new BasicMesh();

        // This message box will display Pyramid3
        MessageBox(0, meshName, 0, 0);

        // This code will not trigger the message box
        if (meshName == "Pyramid3")
                MessageBox(0, (char*)"meshName is Pyramid3", 0, 0);

        // This code will trigger and m_meshName is set directly as Pyramid3
        // if it is not set directly here the call to GetMeshByName later on returns NULL
	if (strcmp(meshName,"Pyramid3") == 0)
		m_meshName = "Pyramid3";
}

// Object is referenced by name here
MeshManager::CreateMesh(m_pMesh, m_meshName);

// Will return NULL if char* is not set directly
MeshManager::GetMeshByName("Pyramid3");

void* CNewClass::GetProcAddress1(HMODULE hModule, LPCTSTR lpFuncName)
{
	USES_CONVERSION;//for ATL, to use A2W declare this first  

	#ifdef _WINCE	//for wince
		LPCWSTR lpUnicodeFuncName = A2W( lpFuncName );
		return(GetProcAddress(hModule, lpUnicodeFuncName));
	#else // for vc6
		LPCSTR lpAsciiFuncName = (LPCSTR)W2A( lpFuncName );
		return (GetProcAddress(hModule, lpAsciiFuncName));
	#endif
}

AfxBeginThread( CRuntimeClass* pfnThreadProc,LPVOID pParam, 
		int nPriority = THREAD_PRIORITY_NORMAL,UINT nStackSize = 0, 
		DWORD dwCreateFlags = 0,LPSECURITY_ATTRIBUTES lpSecurityAttrs = NULL);
UINT CTestcycleDlg::pfnThreadProc(LPVOID pParam )
{
}

error C2275: 'CRuntimeClass' : illegal use of this type as an expression <br />