static extern int GetCurrencyFormat(uint Locale, uint dwFlags, string lpValue,

        lRet = GetCurrencyFormat(0, 0, numberToConvert.ToString(), currencyFormat, IntPtr.Zero, 0);

        lRet = GetCurrencyFormat(0, 0, numberToConvert.ToString(), currencyFormat, ptrCurrencyStr, (int)lRet);