MVC, MVP, ASP.NET

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

namespace WpfMvc
{
    /// <summary>
    /// This attribute provides the information about implementing class
    /// </summary>
    [AttributeUsage(AttributeTargets.Interface)]
    public sealed class ConcreteTypeAttribute : Attribute
    {
        public string TypeName { get; set; }

        /// <summary>
        /// Provide path to implementing class in the constructor
        /// </summary>
        /// <param name="typeName">FullName to the implementing class, including library</param>
        public ConcreteTypeAttribute(string typeName)
        {
            TypeName = typeName;
        }
    }
}