crctrandlg.h

vc写的crc 校验源代码 比较适合初学者参考

// CRCTRANDlg.h : header file
//

#if !defined(AFX_CRCTRANDLG_H__C8BEE068_0890_44C3_8D31_E5DAE5506E62__INCLUDED_)
#define AFX_CRCTRANDLG_H__C8BEE068_0890_44C3_8D31_E5DAE5506E62__INCLUDED_

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

/////////////////////////////////////////////////////////////////////////////
// CCRCTRANDlg dialog

class CCRCTRANDlg : public CDialog
{
public:
	CString loadfile,savefile;
// Construction
public:
	CCRCTRANDlg(CWnd* pParent = NULL);	// standard constructor

	void CreatFileName(CString);
//	unsigned int cal_crc(unsigned char *ptr,  unsigned char len);
	void BuildTable16( unsigned long aPoly );
	unsigned short CRC_16( unsigned char * aData, unsigned long aSize );
// Dialog Data
	//{{AFX_DATA(CCRCTRANDlg)
	enum { IDD = IDD_CRCTRAN_DIALOG };
	CString	m_LoadPath;
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CCRCTRANDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CCRCTRANDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnButton2();
	afx_msg void OnButton3();
	afx_msg void OnButton1();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

#endif // !defined(AFX_CRCTRANDLG_H__C8BEE068_0890_44C3_8D31_E5DAE5506E62__INCLUDED_)