AddSingleThread.MainForm.DoWorkWithBeginInvoke C# (CSharp) Метод

        private void DoWorkWithBeginInvoke()
        {
            var sw = new Stopwatch();
            sw.Start();
            for (int i = 0; i <= 100000; i++)
            {
                BeginInvoke(new Action<object>(x =>
                {
                    txtCount.Text = x.ToString();
                }), i);
            }
            sw.Stop();

            BeginInvoke(new Action<object>(x =>
            {
                txtTotalTime.Text = x.ToString();
            }), sw.ElapsedMilliseconds);
        }