WCF 回调中操作线程

回调的类    
[CallbackBehavior(ConcurrencyMode = ConcurrencyMode.Reentrant, UseSynchronizationContext = false)]

    public class backcall : LiuLanCallback

    {



        static string ss;

        //所有控件的父类，用于控制控件

        private static Control ctrl = null;

        delegate void wei();//委托

        public backcall(){}

        //初始化,在ui线程里，将控件传过来

        public backcall(Control rb)

        {

            ctrl = rb;           

        }

        //设置对ui的更改

        public void message1()

        {

            ctrl.Text = "141474144";

            Thread.Sleep(1000);

        }

        //回调的的方法，调用 委托

        public void ToGetMessage()

        {

            if (ctrl.InvokeRequired)

            {

                wei w = new wei(message1);

                ctrl.BeginInvoke(w);   //异步调用 同步用invoke             

            }

        }

    }