internal static CultureInfo NlsGetUserDefaultCulture()
{
Debug.Assert(GlobalizationMode.UseNls);
if (GlobalizationMode.Invariant)
{
return(CultureInfo.InvariantCulture);
}
string?strDefault = CultureData.GetLocaleInfoEx(Interop.Kernel32.LOCALE_NAME_USER_DEFAULT, Interop.Kernel32.LOCALE_SNAME);
if (strDefault == null)
{
strDefault = CultureData.GetLocaleInfoEx(Interop.Kernel32.LOCALE_NAME_SYSTEM_DEFAULT, Interop.Kernel32.LOCALE_SNAME);
if (strDefault == null)
{
// If system default doesn't work, use invariant
return(CultureInfo.InvariantCulture);
}
}
return(GetCultureByName(strDefault));
}
private static unsafe bool CallEnumCalendarInfo(string localeName, CalendarId calendar, uint calType, uint lcType, out string[] data)
{
EnumData context = new EnumData();
context.userOverride = null;
context.strings = new StringList();
// First call GetLocaleInfo if necessary
if (((lcType != 0) && ((lcType & CAL_NOUSEROVERRIDE) == 0)) &&
// Get user locale, see if it matches localeName.
// Note that they should match exactly, including letter case
GetUserDefaultLocaleName() == localeName)
{
// They want user overrides, see if the user calendar matches the input calendar
CalendarId userCalendar = (CalendarId)CultureData.GetLocaleInfoExInt(localeName, LOCALE_ICALENDARTYPE);
// If the calendars were the same, see if the locales were the same
if (userCalendar == calendar)
{
// They matched, get the user override since locale & calendar match
string res = CultureData.GetLocaleInfoEx(localeName, lcType);
// if it succeeded remember the override for the later callers
if (res != "")
{
// Remember this was the override (so we can look for duplicates later in the enum function)
context.userOverride = res;
// Add to the result strings.
context.strings.Add(res);
}
}
}
GCHandle contextHandle = GCHandle.Alloc(context);
try
{
#if CORECLR
Interop.Kernel32.EnumCalendarInfoExEx(EnumCalendarInfoCallback, localeName, (uint)calendar, null, calType, (IntPtr)contextHandle);
#else
// Now call the enumeration API. Work is done by our callback function
IntPtr callback = AddrofIntrinsics.AddrOf <Func <IntPtr, uint, IntPtr, IntPtr, Interop.BOOL> >(EnumCalendarInfoCallback);
Interop.Kernel32.EnumCalendarInfoExEx(callback, localeName, (uint)calendar, null, calType, (IntPtr)contextHandle);
#endif // CORECLR
}
finally
{
contextHandle.Free();
}
// Now we have a list of data, fail if we didn't find anything.
if (context.strings.Count == 0)
{
data = null;
return(false);
}
string[] output = context.strings.ToArray();
if (calType == CAL_SABBREVERASTRING || calType == CAL_SERASTRING)
{
// Eras are enumerated backwards. (oldest era name first, but
// Japanese calendar has newest era first in array, and is only
// calendar with multiple eras)
Array.Reverse(output, 0, output.Length);
}
data = output;
return(true);
}