Automatic Implementation of the Event-Based Asynchronous Pattern

using System;
using System.Collections.Generic;
using System.Text;
using System.ComponentModel;

namespace AsyncGen
{
    /// <summary>
    /// Holds the progress percentage and the incremental results of an operation.
    /// </summary>
    /// <typeparam name="TResults">The type of the incremental results.</typeparam>
	public class ProgressChangedEventArgs<TResults> : ProgressChangedEventArgs
	{
        /// <summary>
        /// Constructor.
        /// </summary>
        /// <param name="progressPercentage">An <see cref="Int32"/> between 0 and 100 that indicates the progress of the operation.</param>
        /// <param name="results">Incremental results of the operation.</param>
        /// <param name="userState">An object that uniquely identifies a specific invocation of the operation.</param>
		public ProgressChangedEventArgs(int progressPercentage, TResults results, object userState)
			: base(progressPercentage, userState)
		{
			this.results = results;
		}

        /// <summary>
        /// Incremental results of the operation.
        /// </summary>
        public TResults Results
        {
            get { return results; }
        }

        private readonly TResults results;
    }

    /// <summary>
    /// Defines the signature for a method that handles the <c>&lt;operation&gt;ProgressChanged</c> event.
    /// </summary>
    /// <typeparam name="TResults">The type of the incremental results.</typeparam>
	public delegate void ProgressChangedEventHandler<TResults>(object sender, ProgressChangedEventArgs<TResults> args);
}