CODE:

//CHello.h
#pragma once

class CHello {
public:
	CHello();
	~CHello();
	void func();
};

//CHello.cpp
#include 
#include "CHello.h"

CHello::CHello() {
	std::cout !CHelloWrapper();	//ファイナライザを呼ぶ
}

CHelloWrapper::!CHelloWrapper(){
	delete object;			// ネイティブオブジェクトの解放
}

void CHelloWrapper::Func(){
	object->func();
}

CODE:

//C#側での呼び出し例
CHelloWrapper obj = new CHelloWrapper();
obj.Func();

CODE:

'VB側での呼び出し例
Dim obj As New CHelloWrapper()
obj.Func()