My Background Worker in Button Fast

bkg.cs

   public class BkGround
    {
        public class ResultCls
        {
            public Exception ex { get; set; }
            public object output { get; set; }

            public ResultCls()
            {
            }

            public ResultCls(object output)
            {
                this.output = output;
            }

            public ResultCls(Exception ex, object output) : this(output)
            {
                this.ex = ex;
            }
        }

        Func<object> _task { get; set; }
        Action<ResultCls> _complete { get; set; }
        BackgroundWorker bgworker = new BackgroundWorker();
        private bool _trycatch;

        public BkGround(bool trycatch)
        {
            // TODO: Complete member initialization
            this._trycatch = trycatch;
        }

        public void Run(Func<object> task, Action<ResultCls> complete)
        {
            if (bgworker.IsBusy) return;
            this._task = task;
            this._complete = complete;

            bgworker.RunWorkerCompleted += bgworker_RunWorkerCompleted;
            bgworker.DoWork += bgworker_DoWork;
            bgworker.RunWorkerAsync();
        }

        void bgworker_DoWork(object sender, DoWorkEventArgs e)
        {
            if (this._trycatch)
            {
                try
                {
                    var output = this._task();
                    e.Result = new ResultCls(output);
                }
                catch (Exception ex)
                {
                    e.Result = new ResultCls(ex);
                }
            }
            else
            {
                var output = this._task();
                e.Result = new ResultCls(output);
            }
        }

        void bgworker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
        {
            this._complete(e.Result as ResultCls);
        }

    }