C / C++ / MFC

class CTest : public CObject
{
DECLARE_SERIAL(CTest)
public:
	CTest(CString strValue);
	CTest();	
public:
	CString m_strValue;
	CTest* m_pNext;
public:
	void Serialize(CArchive& ar);
};

IMPLEMENT_SERIAL(CTest, CObject, 1)
CTest::CTest()
{
	m_strValue = _T("-1"); // invalid
	m_pNext = NULL;
}

CTest::CTest(CString strValue)
{ 
	m_strValue = strValue;
	m_pNext = NULL;
}
void CTest::Serialize(CArchive& ar)
{
	if (ar.IsStoring())
	{
		ar << m_strValue;
		ar << m_pNext;
	}
	else
	{
		ar >> m_strValue;
		ar >> m_pNext;
	}
}

void CLinkedListDoc::Serialize(CArchive& ar)
{
	if (ar.IsStoring())
	{
		ASSERT(m_pHead);
		if (m_pHead)
		{
			for (CTest* pCurr = m_pHead; pCurr != NULL; pCurr = pCurr->m_pNext)
			{
				pCurr->Serialize(ar);
			}
		}
	}
	else
	{
		m_pHead = new CTest();
		m_pHead->Serialize(ar);
		
		CTest* pCurr = m_pHead;
		while (pCurr->m_pNext)
		{
			CTest* pNext = new CTest();
			pNext->Serialize(ar);
			
			pCurr->m_pNext = pNext;
			pCurr = pNext;
		}
	}
}

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown