ObjectHandle.cs

using System.Runtime.InteropServices;
using System.Runtime.Remoting.Lifetime;
using System.Security;

namespace System.Runtime.Remoting
{
    [ClassInterface(ClassInterfaceType.AutoDual)]
    [ComVisible(true)]
    public class ObjectHandle : MarshalByRefObject, IObjectHandle
    {
        private object WrappedObject;

        private ObjectHandle()
        {
        }

        public ObjectHandle(object o)
        {
            WrappedObject = o;
        }

        public object Unwrap()
        {
            return WrappedObject;
        }

        [SecurityCritical]
        public override object InitializeLifetimeService()
        {
            MarshalByRefObject marshalByRefObject = WrappedObject as MarshalByRefObject;
            if (marshalByRefObject != null)
            {
                object obj = marshalByRefObject.InitializeLifetimeService();
                if (obj == null)
                {
                    return null;
                }
            }
            return (ILease)base.InitializeLifetimeService();
        }
    }
}