Do button blick as Callback

OneClickButton.cs

        public class OneClickButton : Button
        {
            protected override void OnClick(EventArgs e)
            {
                this.Enabled = false;
                PerformAsync(CallBack);
                base.OnClick(e);
            }

            void CallBack()
            {
                this.Enabled = true;
            }

            void PerformAsync(Action callBack)
            {
                ThreadPool.QueueUserWorkItem(this.Worker, callBack);
            }

            void Worker(object callBack)
            {
                try
                {
                    // 
                }
                finally
                {
                    ((Action)callBack)();
                }
            }
        }