check for unicows.dll on program starup when wxUSE_UNICODE_MSLU==1

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35235 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2005-08-19 16:47:25 +00:00
parent 5e8c9935fd
commit 69c54afe21

View File

@ -265,21 +265,41 @@ WXDLLEXPORT int wxEntry(HINSTANCE hInstance,
// the first thing to do is to check if we're trying to run an Unicode
// program under Win9x w/o MSLU emulation layer - if so, abort right now
// as it has no chance to work and has all chances to crash
#if wxUSE_UNICODE && !wxUSE_UNICODE_MSLU && !defined(__WXWINCE__)
#if wxUSE_UNICODE && !defined(__WXWINCE__)
if ( wxGetOsVersion() != wxWINDOWS_NT )
{
// we need to be built with MSLU support
#if !wxUSE_UNICODE_MSLU
// note that we can use MessageBoxW() as it's implemented even under
// Win9x - OTOH, we can't use wxGetTranslation() because the file APIs
// used by wxLocale are not
::MessageBox
(
NULL,
_T("This program uses Unicode and requires Windows NT/2000/XP.\nProgram aborted."),
_T("This program uses Unicode and requires Windows NT/2000/XP.\n\nProgram aborted."),
_T("wxWidgets Fatal Error"),
MB_ICONERROR | MB_OK
);
return -1;
#endif // !wxUSE_UNICODE_MSLU
// and the MSLU DLL must also be available
HMODULE hmod = ::LoadLibraryA("unicows.dll");
if ( !hmod )
{
::MessageBox
(
NULL,
_T("This program uses Unicode and requires unicows.dll to work under current operating system.\n\nPlease install unicows.dll and relaunch the program."),
_T("wxWidgets Fatal Error"),
MB_ICONERROR | MB_OK
);
return -1;
}
// this is not really necessary but be tidy
::FreeLibrary(hmod);
}
#endif // wxUSE_UNICODE && !wxUSE_UNICODE_MSLU