//------------------------------------------------------------------------------
// <copyright file="ISubscriptionToken.cs" company="Microsoft">
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
 
namespace System.Web {
 
    // Interface that is returned by event subscription methods and can be used to unsubscribe listeners.
 
    public interface ISubscriptionToken {
 
        // Returns a value stating whether the subscription is currently active
        bool IsActive { get; }
 
        // Unsubscribes from the event
        void Unsubscribe();
 
    }
}