QSharedPointer - how to prevent delete?

[Piskvorkar]

Hi, I've one problem. I want to disallow to call destructor on object which I want always have in QSharedPointer. I was trying something as this:

class X
{
protected:
    ~X() {};
 
    class Deleter;
    friend class Deleter;
 
    class Deleter
    {
        void operator()(X* p) { delete p; }
    };    
 
public:
    QSharedPointer<X> create()
    {
        QSharedPointer<X> px = QSharedPointer<X>(new X(), X::Deleter());
        return px;
    }
};

class X
{
protected:
    ~X() {};

    class Deleter;
    friend class Deleter;

    class Deleter
    {
        void operator()(X* p) { delete p; }
    };    

public:
    QSharedPointer<X> create()
    {
        QSharedPointer<X> px = QSharedPointer<X>(new X(), X::Deleter());
        return px;
    }
};

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But this code is not compilable:
Error 1 error C2248: 'X::~X' : cannot access protected member declared in class 'X' c:\qt\4.6.2\src\corelib\tools\qsharedpointer_impl. h 391

It's probably because what QSharedPointer is implemented. But is there any way how to disallow to anybody to destrouy object using standard c++ pointer? I thing it will be much more secure and clearer.

Thanks.