private static void Replace(List <DatePartElement> parts, DatePartName name, DatePartElement part)
{
for (int i = 0; i < parts.Count; i++)
{
if (parts[i].Name == name)
{
parts[i] = part;
}
}
}
public static int DatePart(DatePartElement element, DateTimeOffset src)
{
throw new InvalitContextException(nameof(DatePart));
}
