using System.Windows.Threading;
using System.Runtime.InteropServices;

namespace RF182CInterface
{
    public class RFIDInterface
    {
        public RFIDInterface()
        {
        .
        .
        .

// RFIDWrapper.h

#pragma once

using namespace System;

namespace RFIDWrapper {

    class RFIDWrapperIFacePrivate;

    class __declspec(dllexport) RFIDWrapperIFace
    {
    private:
        RFIDWrapperIFacePrivate* _private;

    public:
        RFIDWrapperIFace();
        ~RFIDWrapperIFace();
    };
}

// This is the main DLL file.
#using "RF182CInterface.dll";

#include "stdafx.h"
#include <msclrauto_gcroot.h>
#include "RFIDWrapper.h"

using namespace System::Runtime::InteropServices; // Marshal

class RFIDWrapperIFacePrivate
{
public:
    msclr::auto_gcroot<RF182CInterface::RFIDInterface^> rf182CInterface;
};