private static string GetUserPreferredUILangs()
{
long pulNumLanguages = 0;
int pcchLanguagesBuffer = 0;
string str = "";
if (!NativeCultureResolver.SetThreadPreferredUILanguages(NativeCultureResolver.MUI_CONSOLE_FILTER, (StringBuilder)null, IntPtr.Zero) || !NativeCultureResolver.GetThreadPreferredUILanguages(NativeCultureResolver.MUI_LANGUAGE_NAME | NativeCultureResolver.MUI_MERGE_SYSTEM_FALLBACK | NativeCultureResolver.MUI_MERGE_USER_FALLBACK, out pulNumLanguages, (byte[])null, out pcchLanguagesBuffer))
{
return(str);
}
byte[] numArray = new byte[pcchLanguagesBuffer * 2];
if (!NativeCultureResolver.GetThreadPreferredUILanguages(NativeCultureResolver.MUI_LANGUAGE_NAME | NativeCultureResolver.MUI_MERGE_SYSTEM_FALLBACK | NativeCultureResolver.MUI_MERGE_USER_FALLBACK, out pulNumLanguages, numArray, out pcchLanguagesBuffer))
{
return(str);
}
try
{
return(Encoding.Unicode.GetString(numArray).Trim().ToLowerInvariant());
}
catch (ArgumentNullException ex)
{
}
catch (DecoderFallbackException ex)
{
}
return(str);
}
private static CultureInfo EmulateDownLevel()
{
// GetConsoleFallbackUICulture is not required.
// This is retained in order not to break existing code.
ushort langId = NativeCultureResolver.GetUserDefaultUILanguage();
CultureInfo ci = new CultureInfo((int)langId);
return(ci.GetConsoleFallbackUICulture());
}
private static CultureInfo EmulateDownLevel() => new CultureInfo((int)NativeCultureResolver.GetUserDefaultUILanguage()).GetConsoleFallbackUICulture();