helpdlg.cpp

基于变换域的信息隐藏技术

// HELPDLG.cpp : implementation file
//

#include "stdafx.h"
#include "数字水印技术.h"
#include "HELPDLG.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CHELPDLG dialog


CHELPDLG::CHELPDLG(CWnd* pParent /*=NULL*/)
	: CDialog(CHELPDLG::IDD, pParent)
{
	//{{AFX_DATA_INIT(CHELPDLG)
	m_shelp = _T("讲述使用方法！");
	//}}AFX_DATA_INIT
}


void CHELPDLG::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CHELPDLG)
	DDX_Text(pDX, IDC_EDIT1, m_shelp);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CHELPDLG, CDialog)
	//{{AFX_MSG_MAP(CHELPDLG)
	ON_BN_CLICKED(IDC_BUTTON1, Onopenhelp)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CHELPDLG message handlers

void CHELPDLG::Onopenhelp() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
	CFile fp;
	CFileDialog dlg(1,"txt","*.txt");
	if(dlg.DoModal()==IDOK)
	{
		fp.Open((LPCTSTR)dlg.GetPathName(),CFile::modeRead);
		char *str=new char[fp.GetLength()];
		fp.Read(str,fp.GetLength());
		str[fp.GetLength()]='\0';
		m_shelp=str;
		delete[]str;
		fp.Close();
	}
	UpdateData(false);
}