Format double with Fixed-point with Standard format F in CSharp

using System;/*w  ww.ja  v  a 2s .c  o  m*/
using System.Globalization;
public class Example
{
   public static void Main()
   {
        double value = 123456.123456;
        string specifier;
        CultureInfo culture;
        
        specifier = "F";
        culture = CultureInfo.CreateSpecificCulture("fr-FR");
        Console.WriteLine(value.ToString(specifier, culture));
        culture = CultureInfo.CreateSpecificCulture("en-CA");
        Console.WriteLine(value.ToString(specifier, culture));
   }
}