cross appdomain access

Posted 2021-12-01 nanfei

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp6
{
    class Program
    {
        static string greetings = "PONG!";

        static void Main(string[] args)
        {
            AppDomain otherDomain = AppDomain.CreateDomain("otherDomain");

            greetings = "PING!";
            MyCallBack();
            otherDomain.DoCallBack(new CrossAppDomainDelegate(MyCallBack));

            // Output:
            // PING! from defaultDomain
            // PONG! from otherDomain
            Console.In.ReadLine();
        }

        public static void MyCallBack()
        {
            string name = AppDomain.CurrentDomain.FriendlyName;

            if (name == AppDomain.CurrentDomain.SetupInformation.ApplicationName)
            {
                name = "defaultDomain";
            }
            Console.WriteLine(greetings + " from " + name);

            var list = AppDomain.CurrentDomain.GetAssemblies().ToList();
        }
    }
}

result:

PING! from defaultDomain
PONG! from otherDomain