window 服务

protected override void OnStart(string[] args)
{
string state = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "启动";
WriteLog(state);
var timer = new System.Timers.Timer(3000);
timer.AutoReset = true;
timer.Elapsed += new System.Timers.ElapsedEventHandler(OnEventTime);
timer.Enabled = true;
}

private void OnEventTime(object sender, System.Timers.ElapsedEventArgs e)
{
string state = DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss") + "执行中...";
WriteLog(state);
}

private void WriteLog(string str)
{
using (StreamWriter sw = File.AppendText(@"D:\ServicesLog.txt"))
{
sw.WriteLine(str);
sw.Flush();
}
}

protected override void OnStop()
{
// TODO: 在此处添加代码以执行停止服务所需的关闭操作。
string state = DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss") + "停止";
WriteLog(state);
}