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I Use the AppWizard Create a SDI application, copy and paste the IDR_MAINFRAME Menu in resource view, change the menu item "View" to "View(CHINESE)" , change the resource language from English to Chinese, and change the ID from IDR_MAINFRAME1 to IDR_MAINFRAME.
Then I follow your step in the article "Re:How to switch language in a SDI application?", and compile the project, but when I switch the language to Chinese, the menubar display nothing, and the submenu item is still English Version.
Why?
Please help me !
Thanks!

The Code is as bellow:

void CMainFrame::OnLanguageChinese()
{
BOOL bOn =
( g_ResourceManager->IsCustomLangAllowed()
&& g_ResourceManager->GetLangIdDesired() == __EXT_MFC_LANG_ID_CHINESE_SIMPLIFIED
) ? TRUE : FALSE;
if( bOn )
return;

g_ResourceManager->AllowCustomLang( true );
g_ResourceManager->SetLangIdDesired( __EXT_MFC_LANG_ID_CHINESE_SIMPLIFIED );

g_CmdManager->ProfileDestroy( __PROF_UIS_PROJECT_CMD_PROFILE_NAME, true );
g_CmdManager->ProfileSetup( __PROF_UIS_PROJECT_CMD_PROFILE_NAME, m_hWnd );
g_CmdManager->UpdateFromMenu( __PROF_UIS_PROJECT_CMD_PROFILE_NAME, IDR_MAINFRAME );
g_CmdManager->UpdateFromToolBar( __PROF_UIS_PROJECT_CMD_PROFILE_NAME, IDR_MAINFRAME );

RecalcLayout();
CExtControlBar::stat_RecalcBarMetrics( this );
CExtControlBar::stat_RedrawFloatingFrames( this );
}

void CMainFrame::OnLanguageEnglish()
{
BOOL bOn =
( g_ResourceManager->IsCustomLangAllowed()
&& g_ResourceManager->GetLangIdDesired() == __EXT_MFC_LANG_ID_ENGLISH_US
) ? TRUE : FALSE;
if( bOn )
return;

g_ResourceManager->AllowCustomLang( true );
g_ResourceManager->SetLangIdDesired( __EXT_MFC_LANG_ID_ENGLISH_US );

g_CmdManager->ProfileDestroy( __PROF_UIS_PROJECT_CMD_PROFILE_NAME, true );
g_CmdManager->ProfileSetup( __PROF_UIS_PROJECT_CMD_PROFILE_NAME, m_hWnd );
g_CmdManager->UpdateFromMenu( __PROF_UIS_PROJECT_CMD_PROFILE_NAME, IDR_MAINFRAME );
g_CmdManager->UpdateFromToolBar( __PROF_UIS_PROJECT_CMD_PROFILE_NAME, IDR_MAINFRAME );

RecalcLayout();
CExtControlBar::stat_RecalcBarMetrics( this );
CExtControlBar::stat_RedrawFloatingFrames( this );
}

void CMainFrame::OnUpdateLanguageChinese(CCmdUI *pCmdUI)
{
BOOL bOn =
( g_ResourceManager->IsCustomLangAllowed()
&& g_ResourceManager->GetLangIdDesired() == __EXT_MFC_LANG_ID_CHINESE_SIMPLIFIED
) ? TRUE : FALSE;
pCmdUI->SetCheck( bOn );
}

void CMainFrame::OnUpdateLanguageEnglish(CCmdUI *pCmdUI)
{
BOOL bOn =
( g_ResourceManager->IsCustomLangAllowed()
&& g_ResourceManager->GetLangIdDesired() == __EXT_MFC_LANG_ID_ENGLISH_US
) ? TRUE : FALSE;
pCmdUI->SetCheck( bOn );
}

If your application is not customizable, the menu bar uses a copy of the window menu which was not recreated in your code. Please reload the menu bar by invoking the CExtMenuControlBar::LoadMenuBar() method.

I follwed your step, but still failed. I have sent my project’s source code to support@prof-uis.com.

You have two IDR_MAINFRAME menu resources in your project: one is marked as English US and second one is marked as Russian (Russia). But you are going to code support Chinese (PRC) language instead of Russian (Russia). So, please simply change the language of the Russian (Russia) menu to Chinese (PRC) and everything will work fine.

First comment as a programmer: your methods OnLanguageEnglish and OnLanguageChinese has the same exact code except for the language ID, so you should make only one method with that code. This new method could have a parameter for the language ID you would like to switch to. And then from OnLanguageEnglish and OnLanguageChinese you’d just call this one method with the appropiate ID.

As for your question: I think you need to call m_wndMenuBar->UpdateMenuBar() before RecalcLayout();. (I guess you have a CExtMenuControlBar m_wndMenuBar variable in your MainFrame class)