geometryprimitive.h

我自己写的代码 可能比较简单 我实现了模拟图层的功能

///////////////////////////////////////////////////////////
//  GeometryPrimitive.h
//  Implementation of the Class GeometryPrimitive
//  Created on:      18-二月-2009 17:17:18
//  Original author: pangyj
///////////////////////////////////////////////////////////

#if !defined(EA_9AC65217_4A5C_4f5c_A2ED_07E42A21E788__INCLUDED_)
#define EA_9AC65217_4A5C_4f5c_A2ED_07E42A21E788__INCLUDED_

#include "ErrorStatus.h"
#include "EntityObject.h"

class GeometryPrimitive : public EntityObject
{

public:
	virtual ~GeometryPrimitive();

	GeometryPrimitive();
	ErrorStatus explode(lit_list<unsigned long> & ids);
	unsigned long layerId();
	void layerId(unsigned long id);
	virtual ErrorStatus read(fstream& f);
	virtual ErrorStatus write(fstream& f);
	virtual void list()const;

protected:
	unsigned long uLayerId;

};
#endif // !defined(EA_9AC65217_4A5C_4f5c_A2ED_07E42A21E788__INCLUDED_)