C / C++ / MFC

class A;<br />
<br />
A* ptr = new A;<br />
...<br />
A* pTest = dynamic_cast<A*>(ptr);

class CHyperlinkStatic : public CStatic
{
// Construction
public:
	CHyperlinkStatic();

// Attributes
public:

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CHyperlinkStatic)
	protected:
	virtual void PreSubclassWindow();
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CHyperlinkStatic();

	// Generated message map functions
protected:
	//{{AFX_MSG(CHyperlinkStatic)
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnPaint();
	afx_msg void OnDestroy();
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	//}}AFX_MSG
	afx_msg LRESULT OnMouseLeave(WPARAM wParam, LPARAM lParam);
	DECLARE_MESSAGE_MAP()
public:
	void SetHyperlink(CString strHyperlink);
	void SetCaption(CString strCaption);
private:
	CString _strCaption, _strHyperlink;
	CFont _fontCaption;
	CSize _sizeCaption;
	bool _bCreateFont, _bMouseInControl, _bGetCaptionSize;
	HCURSOR	_hHandCursor, _hArrowCursor;

	void CreateFont();
	void GetCaptionSize();
	bool InCaptionRange(CPoint &point);
};