//引入命名空间
using System;
using System.Collections.Generic;
using System.ServiceModel;
using System.Text;

namespace CS
{
    class Program
    {
        static void Main(string[] args)
        {
            // MessageVersion
            EnvelopeVersion envS11 = EnvelopeVersion.Soap11;
            string nextDestS11 = envS11.NextDestinationActorValue;
            string[] ultDestsS11 = envS11.GetUltimateDestinationActorValues();
            string ultS11 = ultDestsS11[0];
            string toStrS11 = envS11.ToString();

            EnvelopeVersion envS12 = EnvelopeVersion.Soap12;

            EnvelopeVersion envNotSOAP =  EnvelopeVersion.None;

            string nextDestS12 = envS12.NextDestinationActorValue;

            string[] ultDestsS12 = envS12.GetUltimateDestinationActorValues();
             
            string ultS12 = ultDestsS12[1];

            string toStrS12 = envS12.ToString();
             
            EnvelopeVersion envNone = EnvelopeVersion.None;
            string nextDestNone = envNone.NextDestinationActorValue;
            //The following code throws a System.ArgumentReferenceException.
            //The object reference is not set to an instance of an object
            // string[] ultDestsNone = envNone.GetUltimateDestinationActorValues();
            string toStrNone = envNone.ToString();

             //EnvelopeVersions
            Console.WriteLine("EnvelopeVersion.Soap11: {0}", envS11);
            Console.WriteLine("EnvelopeVersion.Soap12: {0}", envS12);
            Console.WriteLine("EnvelopeVersion.None: {0}", envNone);
            Console.WriteLine();

            //NextDestination
            Console.WriteLine("NextDest EnvelopeVersion.Soap11: {0}", nextDestS11);
            Console.WriteLine("NextDest EnvelopeVersion.Soap12: {0}", nextDestS12);
            Console.WriteLine("NextDest EnvelopeVersion.None: {0}", nextDestNone);
            Console.WriteLine();

            //UltimateDestinations
            Console.WriteLine("UltDest EnvelopeVersion.Soap11: {0}", ultS11);
            Console.WriteLine("UltDest EnvelopeVersion.Soap12: {0}", ultS12);
            //Console.WriteLine("UltDest EnvelopeVersion.None: {0}", ultDestsNone);
            Console.WriteLine();

            //ToString
            Console.WriteLine("EnvelopeVersion.Soap11.ToString(): {0}", toStrS11);
            Console.WriteLine("EnvelopeVersion.Soap11.ToString(): {0}", toStrS12);
            Console.WriteLine("EnvelopeVersion.Soap11.ToString(): {0}", toStrNone);
            Console.WriteLine();
        }
    }
}