// TrajFileAccess.h: interface for the CTrajFileAccess class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_TRAJFILEACCESS_H__06463535_16CA_490B_9E73_6D41137AA4C2__INCLUDED_)
#define AFX_TRAJFILEACCESS_H__06463535_16CA_490B_9E73_6D41137AA4C2__INCLUDED_

#include "structdefine.h"	// Added by ClassView
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "structdefine.h"

class CTrajFileAccess  
{
public:
	TRAJ GetCurrentPackageData();
	BOOL RefreshCurrentPackageByTime(double time);
	BOOL RefreshCurrentPackageByStep(LONG step);
	void EndFileAccess();	
	BOOL InitializeFileAccess(LPCTSTR lpszFileName);
	CTrajFileAccess();
	virtual ~CTrajFileAccess();

protected:
	DWORD m_npackageCount;
	BOOL m_bFileInitialized;
	TRAJ m_CurrentPackageData;//當前數據包的航跡數據
	LONG m_nCurrentPackageIndex;//數據包從1開始索引
	CFile m_fileTraj;
	double m_dPeroid;//航跡文件的時間周期
};

#endif // !defined(AFX_TRAJFILEACCESS_H__06463535_16CA_490B_9E73_6D41137AA4C2__INCLUDED_)