www.pudn.com > vcppnet2.rar > RygWnd.h

#pragma once 
 
#define RYG_SETSTATE WM_USER + 0 
#define RYG_GETSTATE WM_USER + 1 
 
LRESULT CALLBACK AFX_EXPORT 
    RygWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); 
 
// CRygWnd 
 
class CRygWnd : public CWnd 
{ 
	DECLARE_DYNAMIC(CRygWnd) 
 
 
private: 
    int m_nState; // 0=off, 1=red, 2=yellow, 3=green 
 
    static CRect  s_rect; 
    static CPoint s_point; 
    static CRect  s_rColor[3]; 
    static CBrush s_bColor[4]; 
 
public: 
    static BOOL RegisterWndClass(HINSTANCE hInstance); 
 
 
public: 
	CRygWnd(); 
	virtual ~CRygWnd(); 
 
private: 
    void SetMapping(CDC* pDC); 
    void UpdateColor(CDC* pDC, int n); 
 
protected: 
	afx_msg LRESULT OnSetState(WPARAM wParam, LPARAM lParam); 
    afx_msg LRESULT OnGetState(WPARAM wParam, LPARAM lParam); 
    DECLARE_MESSAGE_MAP() 
public: 
	afx_msg void OnPaint(); 
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point); 
protected: 
	virtual void PostNcDestroy(); 
};