page2.cpp

Windows CE的注册表编辑器和数据库操作源码

// Page2.cpp : implementation file
//

#include "stdafx.h"
#include "Currency_CE.h"
#include "Page2.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
extern CString g_sInstallDir;
extern CStringArray m_SettingArray;
extern CStringArray m_SettingArray2;

extern void ReCalcOutputValue();
extern CComboBox* g_pComboC1;
extern CComboBox* g_pComboC2;

/////////////////////////////////////////////////////////////////////////////
// CPage2 property page

IMPLEMENT_DYNCREATE(CPage2, CPropertyPage)

CPage2::CPage2() : CPropertyPage(CPage2::IDD)
{
	//{{AFX_DATA_INIT(CPage2)
	//}}AFX_DATA_INIT
}

CPage2::~CPage2()
{
}

void CPage2::DoDataExchange(CDataExchange* pDX)
{
	CPropertyPage::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPage2)
	DDX_Control(pDX, IDC_EDIT1, m_f3);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CPage2, CPropertyPage)
	//{{AFX_MSG_MAP(CPage2)
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_CBN_SELCHANGE(IDC_COMBO21, OnSelchangeCombo21)
	ON_EN_SETFOCUS(IDC_EDIT1, OnSetfocusEdit1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPage2 message handlers

BOOL CPage2::OnInitDialog() 
{
	CPropertyPage::OnInitDialog();
	
	// TODO: Add extra initialization here
	CStatic* pWnd=(CStatic*)GetDlgItem(IDC_STATIC21);
	pWnd->SetWindowText(_T("1 美元 =  "));	
	
	pWnd=(CStatic*)GetDlgItem(IDC_BUTTON1);
	pWnd->SetWindowText(_T("保存"));	
	
	pWnd=(CStatic*)GetDlgItem(IDC_STATIC22);
	pWnd->SetWindowText(_T("请指定货币名称，并设定与\r\n美元的比价，然后点击按钮\r\n\"保存\"来存盘。在此还可以\r\n添加这里没有的货币。"));	
	
	
	CComboBox* pCombo = (CComboBox*)GetDlgItem( IDC_COMBO21);
	int nCurSel = pCombo->GetCurSel();
	nCurSel = (nCurSel==CB_ERR) ? 1 : nCurSel ;
	pCombo->ResetContent();
	int nTotal=m_SettingArray.GetSize();
	for(int i=0;i<nTotal;i++)
		pCombo->AddString(m_SettingArray[i]); 
	pCombo->SetCurSel( nCurSel );

	CFloatEdit* pEdit=(CFloatEdit*)GetDlgItem(IDC_EDIT1);
	CString s=m_SettingArray2[nCurSel];
	pEdit->SetWindowText(s);	

	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}
void CPage2::OnButton1() 
{

CFloatEdit* pWnd2=(CFloatEdit*)GetDlgItem(IDC_EDIT1);
CString s="";
CString s2="";
pWnd2->GetWindowText(s);
if(s=="")return;	
CComboBox* pCombo = (CComboBox*)GetDlgItem( IDC_COMBO21);
int nCurSel = pCombo->GetCurSel();
if(nCurSel==CB_ERR)
	{
	pCombo->GetWindowText(s2);
	if(s2=="")
		return;
	m_SettingArray2.Add(s);
	m_SettingArray.Add(s2);
	pCombo->ResetContent();
	int nTotal=m_SettingArray.GetSize();
	for(int i=0;i<nTotal;i++)
		pCombo->AddString(m_SettingArray[i]); 
	pCombo->SetCurSel(nTotal-1);
	g_pComboC1->AddString(m_SettingArray[nTotal-1]); 
	g_pComboC2->AddString(m_SettingArray[nTotal-1]); 
	}
else
	{
	if(nCurSel<m_SettingArray2.GetSize()&&nCurSel>-1)
		m_SettingArray2[nCurSel]=s;
	else
		return;
	}

  int nTotal=m_SettingArray.GetSize();
  int i=0;
  
  DWORD		dwFileLen, dwFileLen1;
  HANDLE		hFile;
  hFile = ::CreateFile(g_sInstallDir+_T("\\Currency.dat\0"),
						GENERIC_WRITE |GENERIC_READ,    // we need both read and write access
						FILE_SHARE_READ,				// allow read access for others
						NULL,							// security attributes
						CREATE_ALWAYS,					// always create new file
						0,								// file attribute
						NULL);							// handle to a template file
if (hFile) 
	{
    for(i=0;i<nTotal;i++)
		{
    	::WriteFile(hFile, (const unsigned short*)m_SettingArray[i],
			_tcslen(m_SettingArray[i])*2,&dwFileLen1,0);
		
		::WriteFile(hFile, _T("="),2,&dwFileLen1,0);
		
		::WriteFile(hFile, (const unsigned short*)m_SettingArray2[i],
			_tcslen(m_SettingArray2[i])*2,&dwFileLen1,0);
		
		::WriteFile(hFile,_T("\r\n"),4,&dwFileLen1,0);

		ReCalcOutputValue();
		}
	CloseHandle(hFile);
   }
else
	{
	AfxMessageBox(_T("Cannot find file,exit application! "));
	SendMessage(WM_CLOSE);
	}

}	
void CPage2::OnSelchangeCombo21() 
{
	CComboBox* pCombo = (CComboBox*)GetDlgItem( IDC_COMBO21);
	int nCurSel = pCombo->GetCurSel();
	nCurSel = (nCurSel==CB_ERR) ? 1 : nCurSel ;
	CFloatEdit* pWnd2=(CFloatEdit*)GetDlgItem(IDC_EDIT1);
	CString s=m_SettingArray2[nCurSel];
	pWnd2->SetWindowText(s);	

}

void CPage2::OnSetfocusEdit1() 
{
	
}