winform开发使用通用多线程基类分享(以队列形式)

        #region 事件相关
        /// <summary>
        /// 全部完成事件
        /// </summary>
        public event Action<CompetedEventArgs> AllCompleted;
        /// <summary>
        /// 单个完成事件
        /// </summary>
        public event Action<T, CompetedEventArgs> OneCompleted;
        /// <summary>
        /// 引发全部完成事件
        /// </summary>
        /// <param name="args"></param>
        private void OnAllCompleted(CompetedEventArgs args)
        {
            if (AllCompleted != null)
            {
                try
                {
                    AllCompleted(args);//全部完成事件
                }
                catch { }
            }
        }
        /// <summary>
        /// 引发单个完成事件
        /// </summary>
        /// <param name="pendingValue"></param>
        /// <param name="args"></param>
        private void OnOneCompleted(T pendingValue, CompetedEventArgs args)
        {
            if (OneCompleted != null)
            {
                try
                {
                    OneCompleted(pendingValue, args);
                }
                catch { }

            }
        }
        #endregion

        #region 构造
        public QueueThreadBase(IEnumerable<T> collection)