Windows Forms高级界面组件-Timer控件实例

显示计算机开始运行的时间和运行了多久

DateTime dt = DateTime.Now.AddMilliseconds(0 - Environment.TickCount);
            Console.WriteLine("开机时间:" + dt.ToString());
            string strTime=(Environment.TickCount/1000.0/60.0/60.0).ToString();
            Console.WriteLine("开机时长:" + strTime);