exgraphview.h

用VC做的画椭圆程序....我自己做的

// exgraphView.h : interface of the CExgraphView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_EXGRAPHVIEW_H__F09FFBB8_369F_42C5_A4A7_F95A439AE805__INCLUDED_)
#define AFX_EXGRAPHVIEW_H__F09FFBB8_369F_42C5_A4A7_F95A439AE805__INCLUDED_

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

#include "math.h"
#include "Circle.h"
class CExgraphView : public CView
{
protected: // create from serialization only
	CExgraphView();
	DECLARE_DYNCREATE(CExgraphView)

// Attributes
public:
	CExgraphDoc* GetDocument();

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CExgraphView)
	public:
	virtual void OnDraw(CDC* pDC);  // overridden to draw this view
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	protected:
	virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
	virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
	//}}AFX_VIRTUAL

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

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CExgraphView)
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in exgraphView.cpp
inline CExgraphDoc* CExgraphView::GetDocument()
   { return (CExgraphDoc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_EXGRAPHVIEW_H__F09FFBB8_369F_42C5_A4A7_F95A439AE805__INCLUDED_)