private void Operate_OnClick(object sender, RoutedEventArgs e){    AsyncFindBox();     RadWindow.Alert("测试测试！");}private void AsyncFindBox(){    #region 需要将返回结果返回到UI上。     //异步任务封装在一个delegate中, 此delegate将运行在后台线程    Func
     
       asyncAction = this.AsyncActionMethod;        //在UI线程中得到异步任务的返回值，并更新UI    //必须在UI线程中执行    Action
      
        resultHandler = delegate(IAsyncResult asyncResult)    {        //异步执行后，将值更新到UI上。        //string result= asyncAction.EndInvoke(asyncResult);        //SearchValue.Text=result;     };    //异步任务执行完毕后的callback, 此callback运行在后台线程上.    //此callback会异步调用resultHandler来处理异步任务的返回值.    AsyncCallback asyncActionCallback = delegate(IAsyncResult asyncResult)    {         Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Background, resultHandler, asyncResult);    };    //在UI线程中开始异步任务,    //asyncAction(后台线程), asyncActionCallback(后台线程)和resultHandler(UI线程)    //将被依次执行     asyncAction.BeginInvoke(asyncActionCallback, null);     #endregion         #region 不需要将返回结果返回到UI上的。     //Func
       
         asyncAction = this.AsyncActionMethod;    //asyncAction.BeginInvoke(null, null);        //Action asyncAction = this.FindBox; //方法无返回值    //asyncAction.BeginInvoke(null, null);     #endregion}private string AsyncActionMethod(){    var commandMessage = "";    Thread.Sleep(5000);    Console.WriteLine(1111);    // 发射亮灯      BasketLight.SendCmd(5, BasketLight.CmdType.Ready, 0, ref commandMessage);    return "";}private void FindBox(){    var commandMessage = "";    Thread.Sleep(5000);    Console.WriteLine(1111);    // 发射亮灯      BasketLight.SendCmd(5, BasketLight.CmdType.Ready, 0, ref commandMessage); }