multilan.cpp

＂Visual C++.net实践与提高－深入Windows编程＂的源代码

// multiLan.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "multiLan.h"

#include "MainFrm.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMultiLanApp

BEGIN_MESSAGE_MAP(CMultiLanApp, CWinApp)
	//{{AFX_MSG_MAP(CMultiLanApp)
	ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
	ON_COMMAND(ID_LANG_CHINESE, OnLangChinese)
	ON_COMMAND(ID_LANG_ENGLISH, OnLangEnglish)
	ON_UPDATE_COMMAND_UI(ID_LANG_CHINESE, OnUpdateLangChinese)
	ON_UPDATE_COMMAND_UI(ID_LANG_ENGLISH, OnUpdateLangEnglish)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMultiLanApp construction

CMultiLanApp::CMultiLanApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CMultiLanApp object

CMultiLanApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CMultiLanApp initialization

BOOL CMultiLanApp::InitInstance()
{
	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

	// added newly
	hInstResource = AfxLoadLibrary("multiLan_eng.dll") ;
	if( hInstResource != NULL ){
		AfxSetResourceHandle(hInstResource) ;
		m_language = english ;
	}
	else{
		m_language = defaultlanguage ;	// 缺省语言
	}

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif

	// Change the registry key under which our settings are stored.
	// TODO: You should modify this string to be something appropriate
	// such as the name of your company or organization.
	SetRegistryKey(_T("Local AppWizard-Generated Applications"));


	// To create the main window, this code creates a new frame window
	// object and then sets it as the application's main window object.

	CMainFrame* pFrame = new CMainFrame;
	m_pMainWnd = pFrame;

	// create and load the frame with its resources

	pFrame->LoadFrame(IDR_MAINFRAME,
		WS_OVERLAPPEDWINDOW | FWS_ADDTOTITLE, NULL,
		NULL);




	// The one and only window has been initialized, so show and update it.
	pFrame->ShowWindow(SW_SHOW);
	pFrame->UpdateWindow();

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMultiLanApp message handlers





/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

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

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
		// No message handlers
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

// App command to run the dialog
void CMultiLanApp::OnAppAbout()
{
	CAboutDlg aboutDlg;
	aboutDlg.DoModal();
}

/////////////////////////////////////////////////////////////////////////////
// CMultiLanApp message handlers

// added newly
void CMultiLanApp::OnLangChinese() 
{
	SetLanguage(chinese) ;
}

void CMultiLanApp::OnLangEnglish() 
{
	SetLanguage(english) ;
}

// 如果设置新语言不成功，保留原有语言
void CMultiLanApp::SetLanguage(enum languages newlang) 
{
	HINSTANCE hinst ;
	switch( newlang ){
	case english:
		hinst = AfxLoadLibrary("multiLan_eng.dll") ;
		break ;
	case chinese:
		hinst = AfxLoadLibrary("multiLan_chn.dll") ;
		break ;
	}
	if( hinst != NULL )	{ // 如果新语言版本载入成功，否则什么事情也不做
		// 设置进程从DLL模块中获取资源
		AfxSetResourceHandle(hinst) ;
		// 修改现已经在使用的菜单资源
		HMENU hmen = ::LoadMenu( hinst, MAKEINTRESOURCE(IDR_MAINFRAME)); 
		::SetMenu(m_pMainWnd->m_hWnd, hmen); 
		m_pMainWnd->DrawMenuBar(); 

		if( hInstResource != NULL ){
			AfxFreeLibrary(hInstResource) ;
		}
		hInstResource = hinst ;
		m_language = newlang ;
	}
}

int CMultiLanApp::ExitInstance() 
{
	if( hInstResource != NULL )
		AfxFreeLibrary(hInstResource) ;
	return CWinApp::ExitInstance();
}

void CMultiLanApp::OnUpdateLangChinese(CCmdUI* pCmdUI) 
{
	if( m_language == chinese )
		pCmdUI->SetCheck(1);	
	else
		pCmdUI->SetCheck(0);
	
}

void CMultiLanApp::OnUpdateLangEnglish(CCmdUI* pCmdUI) 
{
	if( m_language == english )
		pCmdUI->SetCheck(1);	
	else
		pCmdUI->SetCheck(0);
}