helpdlg.cpp

来自「一个完整的数字硬盘录像机系统软件」· C++ 代码 · 共 74 行

// HelpDlg.cpp : implementation file
//

#include "stdafx.h"
#include "gtmpeg.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)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CHelpDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CHelpDlg)
	DDX_Control(pDX, IDC_HELP_TXT, m_cHelpTxt);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CHelpDlg, CDialog)
	//{{AFX_MSG_MAP(CHelpDlg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CHelpDlg message handlers

BOOL CHelpDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	CString sHelpFile=GetAppPath()+"GtMpegHelp.txt";
	if(IsFileExist(sHelpFile))
	{
	   CFile HelpFile;
	   if(HelpFile.Open(sHelpFile,CFile::modeRead))
	   {
	       int nLen=HelpFile.GetLength();
		   char *pBuf=new char[nLen+1];
		   memset(pBuf,0,nLen+1);
		   HelpFile.Read(pBuf,nLen+1);
           m_cHelpTxt.SetWindowText(pBuf);
		   delete pBuf;
	   }
	}
	else
	{
       m_cHelpTxt.SetWindowText("丢失帮助文件");
	}
	return TRUE;
}

void CHelpDlg::OnOK() 
{
	// TODO: Add extra validation here
	
	CDialog::OnOK();
}