Garbage Collection Example - C++/CLI

// GarbageCollection_CLI.h

#pragma once

using namespace System;

namespace GarbageCollection_CLI {

    public ref class ObjectHolder
    {
    private:
        Object^ mSomeObject;

    public:
        ObjectHolder(Object^ someObject)
        {
            mSomeObject = someObject;
        }

        property bool ObjectExists
        {
            bool get()
            {
                return mSomeObject != nullptr;
            }
        }

        ~ObjectHolder()
        {
            mSomeObject = nullptr;
        }
    };
}