System.Number.FormatDecimal C# (CSharp) Method

        public static extern String FormatDecimal(Decimal value, String format, NumberFormatInfo info);
        [MethodImplAttribute(MethodImplOptions.InternalCall)]

 public static String Format(Currency value, String format, NumberFormatInfo info)
 {
     if (info == null)
     {
         info = NumberFormatInfo.CurrentInfo;
     }
     return(Number.FormatDecimal(ToDecimal(value), format, info));
 }