// jiemishuoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "jiemishuo.h"
#include "jiemishuoDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CJiemishuoDlg dialog

CJiemishuoDlg::CJiemishuoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CJiemishuoDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CJiemishuoDlg)
	m_jms = 0;
	m_gkh = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CJiemishuoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CJiemishuoDlg)
	DDX_Text(pDX, IDC_JMS, m_jms);
	DDX_Text(pDX, IDC_GKH, m_gkh);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CJiemishuoDlg, CDialog)
	//{{AFX_MSG_MAP(CJiemishuoDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_BN_CLICKED(IDC_BUTTON3, OnAdd)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CJiemishuoDlg message handlers

BOOL CJiemishuoDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	//獲得c盤序列號
	DWORD VolumeSerialNumber;
	GetVolumeInformation("c:\\",NULL,12,&VolumeSerialNumber,NULL,NULL,NULL,10);

	VolumeSerialNumber^=0x12345678;//本機c盤序列號簡單運算
	m_gkh=VolumeSerialNumber;
	UpdateData(0);
	return TRUE; 
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CJiemishuoDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CJiemishuoDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CJiemishuoDlg::OnButton1() 
{
	DWORD num;
	UpdateData(1);
	num=m_jms;
	num^=0x1999aa98;
	if(num==m_gkh)
		MessageBox("ok");	//提示解密正確
	CFile ff;
	if(!ff.Open("play.exe",CFile::modeWrite))
		return;
	CString str;
	str.Format("%10d",m_jms);
	MessageBox(str);
	ff.Seek(-10,CFile::end);
	ff.Write(str,10);//添加到play.exe尾部
	ff.Close();
}

void CJiemishuoDlg::OnButton2() 
{
	//功能:得到解密匙.
	UpdateData(1);
	long aa=m_gkh^0x1999aa98;
	m_jms=aa;
	UpdateData(0);
}

void CJiemishuoDlg::OnAdd() 
{
	DWORD num;
	UpdateData(1);
	num=m_jms;
	num^=0x1999aa98;
	if(num==m_gkh)
		MessageBox("ok");	//提示解密匙正確
	CFile ff;
	if(!ff.Open("play.exe",CFile::modeWrite))
		return;
	CString str;
	str.Format("%10d",m_jms);
	MessageBox(str);
	ff.SeekToEnd();
	ff.Write(str,10);//改寫解密匙
	ff.Close();
}