public static bool IsCodePageInstalled (uint CodePage)
        {
            // throws 'key not present' for unknown CodePage
            CPInfo cpInfo = new CPInfoTable()[CodePage];

            return true;
        }
        public static uint GetCodePageMaxCharSize (uint CodePage)
        {
            // throws 'key not present' for unknown CodePage
            CPInfo cpInfo = new CPInfoTable()[CodePage];

            return cpInfo.MaxCharSize;
        }