Работа с ресурсами в C++/CLR

ref class Resource_Export {
    public:
        void Export(String^ file, String^ path) {
 
            HRSRC hRes = FindResourceA(NULL, MAKEINTRESOURCEA(IDR_MATHCAD1), RT_RCDATA);
            HGLOBAL hGlob = LoadResource(NULL, hRes);
            DWORD siz = SizeofResource(nullptr, hRes);
 
            HANDLE hFile = CreateFile(path+file, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
 
            //Stream^ readStream = Assembly::GetExecutingAssembly()->GetManifestResourceStream(file);
            //if (readStream != nullptr)
            //{
            //  FileStream^ writeStream = gcnew FileStream(path+file, FileMode::Create);
            //  readStream->CopyTo(writeStream);
            //  readStream->Close();
            //  writeStream->Close(); // Required to flush the buffer & have non-zero filesize
            //}
        }
    };

#include <string>
#pragma once
#include "resource.h"
#include <Windows.h>
#include <msclr\marshal_cppstd.h>
 
ref class Resource_Export {
    public:
        void Export(String^ file, int resource_id, String^ path) {
            std::string type = "mathcad";
            HMODULE hMod = GetModuleHandle(NULL);
            HRSRC hRes = FindResource(hMod, MAKEINTRESOURCEA(resource_id), type.c_str());
            HGLOBAL hGlob = LoadResource(hMod, hRes);
            BYTE* lpbArray = (BYTE*)LockResource(hGlob);
            DWORD sizeRes = SizeofResource(hMod, hRes);
            std::string pathfile = msclr::interop::marshal_as< std::string >(path+file);
            HANDLE hFile = CreateFile(pathfile.c_str(), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
            DWORD dwWritten = 0;
            ::WriteFile(hFile, lpbArray, sizeRes, &dwWritten, NULL);
            ::CloseHandle(hFile);
        }
    };