这段代码有什么用啊？望指教

[我不是大雄我没有多啦A梦]

class CDlgArea : public CDialog
{
// Construction
public:
CDlgArea(CWnd* pParent = NULL); // standard constructor

// Dialog Data
//{{AFX_DATA(CDlgArea)
enum { IDD = IDD_DIALOG_Area };
// NOTE: the ClassWizard will add data members here
//}}AFX_DATA


// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CDlgArea)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL

// Implementation
protected:

// Generated message map functions
//{{AFX_MSG(CDlgArea)
// NOTE: the ClassWizard will add member functions here
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_DLGAREA_H__4B91E483_3A49_4DBA_A589_1202DFB5ED48__INCLUDED_)

[schlafenhamster]

//{{AFX_ 和 //{{AFX_ 是 VC6 类向导的 注释