c# - 如何重启窗口服务

Question

我想重新启动名为“Spooler”的窗口服务我做了以下代码，但没有运气，任何人都知道发生了什么问题？ 代码是

using System.ServiceProcess;

ServiceController service = new ServiceController("Spooler");

if ((service.Status.Equals(ServiceControllerStatus.Stopped)) ||
    (service.Status.Equals(ServiceControllerStatus.StopPending)))
{
    service.Start();
}
else
{
    service.Stop();
    service.Start();
}

异常(exception)是

"System.InvalidOperationException: Cannot start service Spooler on computer '.'. ---> System.ComponentModel.Win32Exception: An instance of the service is already running

--- End of inner exception stack trace ---

at System.ServiceProcess.ServiceController.Start(String[] args)

at System.ServiceProcess.ServiceController.Start()

at servicerestart.Form1.button1_Click(Object sender, EventArgs e) in D:\samplecodes\servicerestart\servicerestart\Form1.cs:line 33"

Answer 1

您必须在停止服务后等待，然后才能使用 WaitForStatus 再次启动它方法:

else
{
    service.Stop();
    service.WaitForStatus(ServiceControllerStatus.Stopped);
    service.Start();
    service.WaitForStatus(ServiceControllerStatus.Running);
}