using System.Runtime.InteropServices; // Add the following as a COM reference - C:WINDOWSMicrosoft.NETFrameworkvXXXXXXmscoree.tlb using mscoree; public static IList<AppDomain> GetAppDomains() { IList<AppDomain> _IList = new List<AppDomain>(); IntPtr enumHandle = IntPtr.Zero ICorRuntimeHost host = new CorRuntimeHost(); try { host.EnumDomains(out enumHandle); object domain = null; while (true) { host.NextDomain(enumHandle, out domain); if (domain == null) break; AppDomain appDomain = (AppDomain)domain; _IList.Add(appDomain); } return _IList; } catch (Exception e) { Console.WriteLine(e.ToString()); return null; } finally { host.CloseEnum(enumHandle); Marshal.ReleaseComObject(host); } } }