A WPF Template solution using MVVM and Castle Windsor

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Collections.ObjectModel;
using HiveStudios.EventBroker;
using Interfaces;
using CommonData;

namespace CommonUtilities
{
    public class CommonThreadsManager : IThreadsManager
    {
        /// <summary>
        /// The threads dictionary
        /// </summary>
        private readonly Dictionary<IThreadsCreateData, System.Threading.Thread> _theThreads;

        /// <summary>
        /// The _threads countdown event to keep track of thread termination
        /// </summary>
        private CountdownEvent _threadsCountdown;

        /// <summary>
        /// Constructor
        /// </summary>
        public CommonThreadsManager()
        {
            _theThreads = new Dictionary<IThreadsCreateData, System.Threading.Thread>();
        }


        #region IThreadsManager Members

        /// <summary>
        /// Gets the threads count down object.
        /// </summary>
        /// <value>
        /// The threads count down.
        /// </value>
        public CountdownEvent ThreadsCountDown
        {
            get 
            {
                return _threadsCountdown;
            }
        }

        /// <summary>
        /// Return the current Thread Count
        /// </summary>
        public int ActiveThreadsCount
        {
            get
            {
                if (_theThreads == null) return 0;
                return _theThreads.Count;
            }
        }

        /// <summary>
        /// Return the currently active threads IThreadCreateData objects
        /// </summary>
        public ReadOnlyCollection<IThreadsCreateData> ActiveThreadsData
        {
            get { return _theThreads.Keys.ToList().AsReadOnly(); }
        }

        /// <summary>
        /// Return the currently active threads names
        /// </summary>
        public ReadOnlyCollection<string> ActiveThreadsNames
        {
            get { return _theThreads.Keys.Select(activeThreads => activeThreads.Name).ToList().AsReadOnly(); }
        }


        /// <summary>
        /// Adds a thread to the thread collection by creating it and starting it.
        /// </summary>
        /// <param name="data"></param>
        /// <param name="invokedMethod"></param>
        /// <returns></returns>
        public bool AddThread(IThreadsCreateData data, ParameterizedThreadStart invokedMethod)
        {
            bool status = true;

            try
            {
                Thread tmpThread = new Thread(invokedMethod);
                tmpThread.IsBackground = true;
                _theThreads.Add(data, tmpThread);
                tmpThread.Start(data);

                if (tmpThread.IsAlive)
                {
                    EventBroker.Execute(CommonEventsMessages.MapThreadStarted, this, new GlobalEventEventArgs(data));

                    if (_threadsCountdown == null)
                    {
                        _threadsCountdown = new CountdownEvent(1);
                    }
                    else
                    {
                        _threadsCountdown.AddCount();
                    }
                }
            }
            catch (Exception ex)
            {
                //Write to log
                Log.ErrorMessage(string.Format("Failed To create Thread {0}", data.Name), ex);
                status = false;
            }

            return status;
        }

        /// <summary>
        /// Removes an active thread if exists
        /// </summary>
        /// <param name="name"></param>
        /// <param name="message"></param>
        /// <returns></returns>
        public bool RemoveThread(IThreadsCreateData data, string message)
        {
            bool status = true;

            try
            {
                if (_theThreads.Keys.Contains(data))
                {
                    _theThreads.Remove(data);
                    _threadsCountdown.Signal();
                }

            }
            catch (Exception ex)
            {
                Log.ErrorMessage(string.Format("Failed To remove Thread {0}", data.Name), ex);
                status = false;
            }


            return status;
        }

        /// <summary>
        /// Stops all active threads
        /// </summary>
        /// <returns></returns>
        public bool StopAllThreads()
        {
            bool status = true;

            //foreach (string name in _theThreads.Keys)
            //{
            //    RemoveThread(name, string.Format("Thread {0} was stopped as part of Stop All Threads request.", name));
            //}


            return status;
        }


        /// <summary>
        /// Determines whether the specified thread name is alive.
        /// </summary>
        /// <param name="threadName">Name of the thread.</param>
        /// <returns></returns>
        public bool IsAlive(IThreadsCreateData data)
        {
            try
            {
                if (_theThreads.Keys.Contains(data))
                {
                    return _theThreads[data].IsAlive;
                }

            }
            catch (Exception ex)
            {
                Log.ErrorMessage(string.Format("Failed retreieve status Thread {0}", data.Name), ex);
            }

            return false;
        }

        #endregion
    }
}