crctestdlg.h

用几种不同的方法来实现CRC算法.可以带初值

// CRCTestDlg.h : header file
//

#if !defined(AFX_CRCTESTDLG_H__BC86F2AA_732E_4CD7_A634_639B17D77263__INCLUDED_)
#define AFX_CRCTESTDLG_H__BC86F2AA_732E_4CD7_A634_639B17D77263__INCLUDED_

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

/////////////////////////////////////////////////////////////////////////////
// CCRCTestDlg dialog

class CCRCTestDlg : public CDialog
{
// Construction
public:
	CCheckListBox m_chkLst;
	VOID SubClassComboBox(UINT uID)
	{
		//if(IsWindow(m_chkLst.m_hWnd)) return;
		//BOOL b=m_chkLst.SubclassDlgItem(0x3e8,GetDlgItem(uID));
		BOOL b=m_chkLst.SubclassDlgItem(uID,this);
		if(!b) return;
		m_chkLst.ResetContent();
		for(int id=0;id<33;id++)
		{
			CString str;
			str.Format("X%2d",id);
			m_chkLst.AddString(str);
		}
	};
	CString m_strDataFile;
	CCRCTestDlg(CWnd* pParent = NULL);	// standard constructor

// Dialog Data
	//{{AFX_DATA(CCRCTestDlg)
	enum { IDD = IDD_CRCTEST_DIALOG };
	CButton	m_radCRCCustom;
	int		m_nCRCMode;
	int		m_crcInitValue;
	BOOL	m_bNotValue;
	CString	m_strData;
	CString	m_strCRC;
	BOOL	m_bDataNot;
	int		m_nCRCMethod;
	//}}AFX_DATA

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

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CCRCTestDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnBCrc();
	afx_msg void OnRCrc();
	afx_msg void OnRCrcCustom();
	afx_msg void OnCkCrcNot();
	virtual void OnCancel();
	afx_msg void OnBDataFile();
	afx_msg void OnCkDataClear();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

#endif // !defined(AFX_CRCTESTDLG_H__BC86F2AA_732E_4CD7_A634_639B17D77263__INCLUDED_)