Ejemplo n.º 1
0
 /// <summary>第二个异步调用的按钮
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void btnyb2_Click(object sender, EventArgs e)
 {
     this.tbYB2.AppendText("老刘想洗澡了...\r\n");
     Heater heater = new Heater();
     heater.SetTemp = 85;
     LaoLiu laoliu = new LaoLiu(heater);
     this.tbYB2.AppendText("老刘开始烧水...\r\n");
     //老刘打开热水器,然后去看电视了
     laoliu.OpenHeater(ActionCallBack);
     this.tbYB2.AppendText(laoliu.WatchTv());
     this.tbYB2.AppendText(laoliu.ListenToSong());
 }
Ejemplo n.º 2
0
        /// <summary>异步按钮的调用
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnYB_Click(object sender, EventArgs e)
        {
            this.tbYB.AppendText("老刘想洗澡了...\r\n");
            Heater heater = new Heater();
            heater.SetTemp = 85;
            LaoLiu laoliu = new LaoLiu(heater);
            this.tbYB.AppendText("老刘开始烧水...\r\n");
            IAsyncResult ar = laoliu.BeginBoilWater(null, null);
            //ar.AsyncWaitHandle.WaitOne(2000);
            this.tbYB.AppendText(laoliu.WatchTv());
            this.tbYB.AppendText(laoliu.ListenToSong());
            /*       int i = 0;
                   //轮询判断异步是否完成
                   while (!ar.IsCompleted)
                   {
                       i++;
                       this.tbYB.AppendText(" " + i.ToString() + " ");
                       if (ar.IsCompleted)
                       {
                           this.tbYB.AppendText("\r\n水烧好了...\r\n");
                       }
                   }
                   int curTemp = laoliu.EndBoilWater(ar);

                   this.tbYB.AppendText("当前水温 " + curTemp.ToString() + " 度");*/

            //WaitOne 作用 等待句柄
            bool flag = true;
            while (flag)
            {
                this.tbYB.AppendText(string.Format("老刘去看了一眼,水还没烧好,当前水温 {0} 度...\r\n", heater.CurrentTemp));
                flag = !ar.AsyncWaitHandle.WaitOne(1000);
            }
            this.tbYB.AppendText("水烧好了...\r\n");
            int curTemp = laoliu.EndBoilWater(ar);
            this.tbYB.AppendText("当前水温 " + curTemp.ToString() + " 度");
        }