// Call native side to figure out which calendars are allowed
internal static int GetCalendars(String localeName, bool useUserOverride, CalendarId[] calendars)
{
EnumCalendarsData data = new EnumCalendarsData();
data.userOverride = 0;
data.calendars = new LowLevelList<int>();
// First call GetLocaleInfo if necessary
if (useUserOverride)
{
// They want user overrides, see if the user calendar matches the input calendar
int userCalendar = Interop.mincore.GetLocaleInfoExInt(localeName, LOCALE_ICALENDARTYPE);
// If we got a default, then use it as the first calendar
if (userCalendar != 0)
{
data.userOverride = userCalendar;
data.calendars.Add(userCalendar);
}
}
GCHandle contextHandle = GCHandle.Alloc(data);
try
{
Interop.mincore_private.EnumCalendarInfoExExCallback callback = new Interop.mincore_private.EnumCalendarInfoExExCallback(EnumCalendarsCallback);
Interop.mincore_private.LParamCallbackContext context = new Interop.mincore_private.LParamCallbackContext();
context.lParam = (IntPtr)contextHandle;
// Now call the enumeration API. Work is done by our callback function
Interop.mincore_private.EnumCalendarInfoExEx(callback, localeName, ENUM_ALL_CALENDARS, null, CAL_ICALINTVALUE, context);
}
finally
{
contextHandle.Free();
}
// Copy to the output array
for (int i = 0; i < Math.Min(calendars.Length, data.calendars.Count); i++)
calendars[i] = (CalendarId)data.calendars[i];
// Now we have a list of data, return the count
return data.calendars.Count;
}
