entity.h

来自「1.通过鼠标拖拽和弹出对话框完成实体、属性、联系的绘制以及各参数设定 2.对绘」· C头文件 代码 · 共 33 行

#ifndef ENTITY_H
#define ENTITY_H
#include "StdAfx.h"
#include "Element.h"
#include "Attribute.h"
class Relation;
class Redata
{
	public:
	Relation* data;
	Redata* next;
	Redata();
};
class MyEntity:public Element
{
public:
	int flag;
	Redata* firstRelation;
	Attribute* firstAttribute;
	
	MyEntity(CString name,int x1,int y1,int x2,int y2,int f);
	void addAttribute(Attribute *a);
	void removeAttribute(Attribute *a);
	void addRelation(Relation *a);
	void removeRelation(Relation *a);
	void serial(CArchive& ar);
	Attribute*  mainkey();
	void emptymain();
	virtual void paint(CDC& g);
	virtual int isDeleted();
	
};
#endif