clockview.h

用Visual C++写的clock程序,对于还在学C++的朋友有参考价值

// ClockView.h : interface of the CClockView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_CLOCKVIEW_H__523DD82D_30BB_11D5_A36A_B5D57D8D8F49__INCLUDED_)
#define AFX_CLOCKVIEW_H__523DD82D_30BB_11D5_A36A_B5D57D8D8F49__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


class CClockView : public CView
{
protected: // create from serialization only
	CClockView();
	DECLARE_DYNCREATE(CClockView)

// Attributes
public:
	CClockDoc* GetDocument();

protected:
	int				cxClient;
	int 			cyClient;
	SYSTEMTIME	 	stPrevious;
	BOOL			fChange;
	CDC				*pdc;
	HDC				hdc;
	PAINTSTRUCT		ps;
	SYSTEMTIME		st;

public:
	void SetIsotropic(HDC hdc, int cxClient, int cyClient);
	void DrawClock(HDC hdc);
	void DrawHands(HDC hdc, SYSTEMTIME* pst, BOOL fChange);
	void RotatePoint(POINT pt[], int iNum, int iAngle);

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CClockView)
	public:
	virtual void OnDraw(CDC* pDC);  // overridden to draw this view
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	protected:
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CClockView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CClockView)
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg void OnDestroy();
	afx_msg void OnPaint();
	afx_msg void OnSize(UINT nType, int cx, int cy);
	afx_msg void OnTimer(UINT nIDEvent);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in ClockView.cpp
inline CClockDoc* CClockView::GetDocument()
   { return (CClockDoc*)m_pDocument; }
#endif

/////////////////////////////////////////////////////////////////////////////

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

#endif // !defined(AFX_CLOCKVIEW_H__523DD82D_30BB_11D5_A36A_B5D57D8D8F49__INCLUDED_)