wpf 定时器应用，在界面动态刷新时间

 1 DispatcherTimer = new DispatcherTimer();
 2 Timer.Tick += Timer_Tick;
 3 Timer.Interval = TimeSpan.FromSeconds(1);
 4 Timer.Start();
 5 
 6 
 7 private void Timer_Tick(object sender, EventArgs e)
 8         {
 9             //todo
10             //获取温度的数值
11 
12             //获取年月日
13             string dt_ymd = DateTime.Now.ToLongDateString();
14             this.LbYearAndMonth.Content = dt_ymd;
15             //获取几时几分
16             string dt_hm = DateTime.Now.ToShortTimeString();
17             this.LbHourAndMin.Content = dt_hm;
18 
19             //获取今天是星期几
20             string[] Day = new string[] { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };
21             string week = Day[Convert.ToInt32(DateTime.Now.DayOfWeek.ToString("d"))].ToString();
22             this.LbWeekday.Content = week;
23         }