Chart and Pie for data with hole

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

#if !defined(AFX_TZOBJECT_H__51668446_3CF5_4484_97A5_9FE719791D20__INCLUDED_)
#define AFX_TZOBJECT_H__51668446_3CF5_4484_97A5_9FE719791D20__INCLUDED_

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

class tzObject
{

public:

	//
	// Constructor/Destructor
	//
	tzObject();
	virtual ~tzObject();

	//
	// To ensure a consistent comparison interface and to allow comparison
	// of all kinds of different objects, we will define a comparison functions.
	//
	virtual int		compare(tzObject *);

	//
	// To allow a deep copy of data structures we will define a standard interface...
	// This member will return a copy of itself, freshly allocated and deep copied.
	//
	virtual tzObject	*clone();

	//
	// To generate a key for this object, this will be used in Hash
	//
	virtual int         key();

	//
	// To print out the content within the object
	//
	virtual void        dump();

protected:

};


#endif // !defined(AFX_TZOBJECT_H__51668446_3CF5_4484_97A5_9FE719791D20__INCLUDED_)