MainObjectArrayPtr::MainObjectArray::MainObjectArray(QuantumFile *p_MRU)
{
    ArrayIndex i;

    if (p_MRU)
        {
        m_QuantumFile = p_MRU;
        m_MainObjectCount = p_MRU->GetMainObjectCount();
        m_MainObjectBlockCount = p_MRU->GetMainObjectBlockCount();
        m_CurrentLowestFreeObject = 0;
        m_BlockPtr.SetSize(m_MainObjectCount);
        for (i = 0; i < m_BlockPtr.GetSize(); i ++)
            m_BlockPtr[i] = p_MRU->MakeMainObjectBlockPtr(i);
        }
}