vpoint.h

这是一个可以检索大量数据的程序

// VPoint.h: interface for the VPoint class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_VPOINT_H__2966924C_F700_4E52_9002_DD0CD004CA74__INCLUDED_)
#define AFX_VPOINT_H__2966924C_F700_4E52_9002_DD0CD004CA74__INCLUDED_

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

#include "graph.h"

class VPoint : public Graph
{
public:
	virtual void DrawIt(CClientDC* pDC);
	virtual void DeleteNotify(long oid, bmi::Dim2Index * pIndex);

	VPoint();
	virtual ~VPoint();

	DEC_ATTRIB(int, x)
	DEC_ATTRIB(int, y)
};

class VVect : public Graph
{
public:
	virtual void DrawIt(CClientDC* pDC);
	virtual void DeleteNotify(long oid, bmi::Dim2Index * pIndex);

	VVect();
	virtual ~VVect();
	int Left() { return min(m_x1, m_x2);}
	int Right() { return max(m_x1,m_x2);}
	int Top() { return min(m_y1,m_y2);}
	int Bottom() { return max(m_y1,m_y2);}
	

	DEC_ATTRIB(int, x1)
	DEC_ATTRIB(int, y1)
	DEC_ATTRIB(int, x2)
	DEC_ATTRIB(int, y2)
};

#endif