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#if !defined(AFX_WYMETERCTL_H__15491A73_5B63_11D5_ADD3_001088AB5D33__INCLUDED_) 
#define AFX_WYMETERCTL_H__15491A73_5B63_11D5_ADD3_001088AB5D33__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
// wyMeterCtl.h : Declaration of the CwyMeterCtrl ActiveX Control class. 
 
///////////////////////////////////////////////////////////////////////////// 
// CwyMeterCtrl : See wyMeterCtl.cpp for implementation. 
 
#ifndef ROUND 
#define ROUND(x) (int)((x) + 0.5 - (double)((x) < 0)) 
#endif 
#define BOUNDARY_POINTS 48 
 
class CwyMeterCtrl : public COleControl 
{ 
	DECLARE_DYNCREATE(CwyMeterCtrl) 
 
// Constructor 
public: 
	CwyMeterCtrl(); 
 
// Overrides 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CwyMeterCtrl) 
	public: 
	virtual void OnDraw(CDC* pdc, const CRect& rcBounds, const CRect& rcInvalid); 
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs); 
	virtual void DoPropExchange(CPropExchange* pPX); 
	virtual void OnResetState(); 
	virtual void Serialize(CArchive& ar); 
	//}}AFX_VIRTUAL 
 
// Implementation 
protected: 
	void UpdateNeedle(double dValue) ; 
	void DrawNeedle(CDC *pDC) ; 
	void DrawValue(CDC *pDC) ; 
	void DrawMeterBackground(CDC *pDC, const CRect &rect) ; 
 
	int m_nValueFontHeight ; 
	int m_nValueFontWidth ; 
 
	COLORREF m_colorHighlight ; 
	COLORREF m_colorShadow ; 
	CRect m_rectValue ; 
	CPoint m_pointBoundary[BOUNDARY_POINTS] ; 
	CRgn m_rgnBoundary ; 
	int m_nTopRadius ; 
	double m_dLeftAngleRad ; 
	double m_dRightAngleRad ; 
	int m_nBottomCX ; 
	int m_nBottomCY ; 
	int m_nBottomRadius ; 
	COLORREF m_colorWindow ; 
	int m_nValueBaseline ; 
	int m_nValueCenter ; 
 
	COLORREF m_colorButton ; 
	COLORREF m_colorText ; 
	CFont m_fontValue ; 
	CBitmap *m_pBitmapOldBackground ; 
	CBitmap m_bitmapBackground; 
	CDC m_dcBackground; 
	CRect m_rectCtrl; 
 
	~CwyMeterCtrl(); 
 
	DECLARE_OLECREATE_EX(CwyMeterCtrl)    // Class factory and guid 
	DECLARE_OLETYPELIB(CwyMeterCtrl)      // GetTypeInfo 
	DECLARE_PROPPAGEIDS(CwyMeterCtrl)     // Property page IDs 
	DECLARE_OLECTLTYPE(CwyMeterCtrl)		// Type name and misc status 
 
	// Subclassed control support 
	BOOL IsSubclassedControl(); 
	LRESULT OnOcmCommand(WPARAM wParam, LPARAM lParam); 
 
// Message maps 
	//{{AFX_MSG(CwyMeterCtrl) 
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct); 
	afx_msg void OnDestroy(); 
	afx_msg void OnTimer(UINT nIDEvent); 
	//}}AFX_MSG 
	DECLARE_MESSAGE_MAP() 
 
// Dispatch maps 
	//{{AFX_DISPATCH(CwyMeterCtrl) 
	double m_dMaxValue;			//最大量程 
	afx_msg void OnDMaxValueChanged(); 
	double m_dMinValue;			//最小量程 
	afx_msg void OnDMinValueChanged(); 
	double m_dCurrentValue;		//当前值 
	afx_msg void OnDCurrentValueChanged(); 
	short m_nScaleDecimals;		//标尺精度 
	afx_msg void OnNScaleDecimalsChanged(); 
	short m_nValueDecimals;		//数值精度 
	afx_msg void OnNValueDecimalsChanged(); 
	OLE_COLOR m_colorNeedle;	//指针颜色	 
	afx_msg void OnColorNeedleChanged(); 
	CString m_strUnits;			//计量单位 
	afx_msg void OnStrUnitsChanged(); 
	afx_msg void SetCurrentValue(double val); 
	//}}AFX_DISPATCH 
	DECLARE_DISPATCH_MAP() 
 
	afx_msg void AboutBox(); 
 
// Event maps 
	//{{AFX_EVENT(CwyMeterCtrl) 
	//}}AFX_EVENT 
	DECLARE_EVENT_MAP() 
 
// Dispatch and event IDs 
public: 
	enum { 
	//{{AFX_DISP_ID(CwyMeterCtrl) 
	dispidSetCurrentValue = 8L, 
	//}}AFX_DISP_ID 
	}; 
}; 
 
//{{AFX_INSERT_LOCATION}} 
// Microsoft Visual C++ will insert additional declarations immediately before the previous line. 
 
#endif // !defined(AFX_WYMETERCTL_H__15491A73_5B63_11D5_ADD3_001088AB5D33__INCLUDED)