public static bool IsSortable(String text) {
if (text == null) {
// A null param is invalid here.
throw new ArgumentNullException("text");
}
if (0 == text.Length) {
// A zero length string is not invalid, but it is also not sortable.
return(false);
}
unsafe {
return(nativeIsSortable(CultureInfo.InvariantCulture.CompareInfo.m_pSortingTable, text));
}
}