comwin.h

用算法来实现一个收费系统

#if !defined(AFX_COMWIN_H__BD00A561_80D2_11D3_96EA_00A0C948983E__INCLUDED_)
#define AFX_COMWIN_H__BD00A561_80D2_11D3_96EA_00A0C948983E__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// ComWin.h : header file
//

/////////////////////////////////////////////////////////////////////////////
// CComWin window

class CComWin : public CStatic
{
// Construction
public:
	CComWin();
	CComWin(int nPort,DCB *pDCB);
	BOOL Create(int nPort,DCB *pDCB);
	int WriteOut(BYTE * pBuffer,int nLen);
	HANDLE hCom;
	OVERLAPPED m_Overlapped;
	DWORD m_RResult;
	char m_RBuffer[1000];
	HANDLE m_hREvent;
	BOOL m_bRunning;

// Attributes
public:

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CComWin)
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CComWin();

	// Generated message map functions
protected:
	//{{AFX_MSG(CComWin)
		// NOTE - the ClassWizard will add and remove member functions here.
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_COMWIN_H__BD00A561_80D2_11D3_96EA_00A0C948983E__INCLUDED_)