New Subclassed class does not come in Add variable wizard of class wizard in VC++2010

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MFC

VisualC++

I have subclassed CTabCtrl as following,but when I want to add a variable to my tab control of this new class,new class does not come in list at " Add variable->variable type" list of claswizard.This feature was there in VC6.0 does it removed in VC++ 2010

class CMyTabCtrl : public CTabCtrl
{
DECLARE_DYNAMIC(CMyTabCtrl)

public:
CMyTabCtrl();
virtual ~CMyTabCtrl();
//Array to hold the list of dialog boxes/tab pages for CTabCtrl
int m_DialogID[2];
int m_nPageCount;
//CDialog Array Variable to hold the dialogs
CDialog *m_Dialog[2];

//Function to Create the dialog boxes during startup
void InitDialogs();

//Function to activate the tab dialog boxes
void ActivateTabDialogs();

protected:
DECLARE_MESSAGE_MAP()
public:
afx_msg void OnTcnSelchange(NMHDR *pNMHDR, LRESULT *pResult);
};