using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Diagnostics;namespace thread...{ class MyAppDomain ...{ static void Main(string[] args) ...{ AppDomain DomainA; DomainA = AppDomain.CreateDomain("MyDomainA"); string StringA = "DomainA Value"; DomainA.SetData("DomainKey", StringA); CommonCallBack(); CrossAppDomainDelegate delegateA = new CrossAppDomainDelegate(CommonCallBack); DomainA.DoCallBack(delegateA); } public static void CommonCallBack() ...{ AppDomain Domain; //使用CurrentDomain属性来获取正在执行代码的域的引用 Domain = AppDomain.CurrentDomain; Console.WriteLine("The value'" + Domain.GetData("DomainKey") + "'was found in " + Domain.FriendlyName.ToString() + //用FriendlyName属性标识正在使用的AppDomain "running on thread id: " + AppDomain.GetCurrentThreadId().ToString()); } }}