Because my system can't install Chinese IME, so... In fact, everyone read this article should know my english is very pool.
// This template class is used to add "ref count" feature for any class
template <class T>
class CRefObject : public T
{
public:
DWORD AddRef(void)
{
return ::InterlockedIncrement((LPLONG)&m_dwRef);
}
DWORD Release(void)
{
if (0 == m_dwRef ||
0 == ::InterlockedDecrement((LPLONG)&m_dwRef))
{
delete this;
return 0;
}
return m_dwRef;
}
// Create an instance buf ref == 0
static CRefObject<T> * CreateInstance(void)
{
CRefObject<T> * p = NULL;
p = new CRefObject<T>();
return p;
}
protected:
// Note: All T MUST have a default constructor
CRefObject(void) : m_dwRef(0)
{
}
// I think it is unnecessary to define a "virtual" distrcutor
~CRefObject() {};
DWORD m_dwRef;
};
