.net 获取AppDomain创建了多少

partial class HttpBrowser
    {
        public static string IsolateCall(PageContentHandler pHandler)
        {
            Contract.Requires(pHandler != null);

            string name = Guid.NewGuid().ToString("N");
            var box = SandboxManager.Create(name, true);
            try
            {
                string entryType = "AnfleCrawler.Common.IsolatedBrowser, AnfleCrawler.Common";
#if DEBUG
                App.LogInfo("IsolateCall EntryType:{0}", entryType);
#endif
                //string ret = (string)box.Execute(entryType, pHandler);
                string ret = (string)box.Execute(entryType, "xCross", new object[] { pHandler });
                if (ret == null)
                {
                    throw new InvalidOperationException(string.Format("IsolatedBrowser {0}", entryType));
                }
                return ret;
            }
            finally
            {
                SandboxManager.Unload(box);
#if DEBUG
                App.LogInfo("IsolateCall Domains:{0}", string.Join("#", GetAppDomains().Select(p => p.FriendlyName)));
#endif
            }
        }

        private static IEnumerable<AppDomain> GetAppDomains()
        {
            var list = new List<AppDomain>();
            IntPtr enumHandle = IntPtr.Zero;
            var host = new mscoree.CorRuntimeHostClass();
            try
            {
                host.EnumDomains(out enumHandle);
                object domain = null;
                while (true)
                {
                    host.NextDomain(enumHandle, out domain);
                    if (domain == null)
                    {
                        break;
                    }
                    var appDomain = (AppDomain)domain;
                    list.Add(appDomain);
                }
                return list;
            }
            finally
            {
                host.CloseEnum(enumHandle);
                System.Runtime.InteropServices.Marshal.ReleaseComObject(host);
            }
        }
    }

 

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