Model View Presenter via .NET

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace CobaltSoftware.Foundation.ModelViewPresenter
{
    /// <summary>
    ///     The IViewManager interface helps support the Model-View-Presenter
    ///     pattern by isolating the view-coordination management aspects of the
    ///     presenter types. 
    /// </summary>
    /// <remarks>
    ///     <para>
    ///         <list>
    ///             <listheader>Version History</listheader>
    ///             <item>10 October, 2009 - Steve Gray - Initial Draft</item>
    ///         </list>
    ///     </para>
    ///     <para>
    ///         This implementation uses self-constrained generics to allow
    ///         bi-directional strong coupling of interface types for both
    ///         presenter and view, allowing mutual strong references.
    ///     </para>
    /// </remarks>
    /// <typeparam name="TViewContract">View contract type</typeparam>
    /// <typeparam name="TPresenterContract">Presenter contract type</typeparam>
    public interface IViewManager<TViewContract, TPresenterContract>
        where TViewContract : IView<TViewContract, TPresenterContract>
        where TPresenterContract : IPresenter<TPresenterContract, TViewContract>
    {
        /// <summary>
        ///     Event that fires prior to each view being registered.
        /// </summary>
        event PresenterEvent<TViewContract, TPresenterContract> BeforeViewConnect;

        /// <summary>
        ///     Event that fires after the view has been registered.
        /// </summary>
        event PresenterEvent<TViewContract, TPresenterContract> AfterViewConnect;

        /// <summary>
        ///     Event that fires prior to a view un-registering itself
        /// </summary>
        event PresenterEvent<TViewContract, TPresenterContract> BeforeViewDisconnect;

        /// <summary>
        ///     Event that fires after a view has unregistered.
        /// </summary>
        event PresenterEvent<TViewContract, TPresenterContract> AfterViewDisconnect;
    }
}