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獲取服務

首先要添加引用：System.ServiceProcess
然后導入命名空間：using System.ServiceProcess;

//獲得服務集合
var serviceControllers = ServiceController.GetServices();
//遍歷服務集合，打印服務名和服務狀態
foreach (var service in serviceControllers)
{
    Console.WriteLine("ServiceName:{0}\t\tServiceStatus:{1}", service.ServiceName, service.Status);
}

啟動服務

//獲取指定服務，若服務狀態不是Runing就Start該服務
var server = serviceControllers.FirstOrDefault(service => service.ServiceName == serviceName);
if (server!=null && server.Status != ServiceControllerStatus.Running)
{
    server.Start();
}

開一個線程定期檢測服務狀態

static void Main()
{
    ThreadPool.RegisterWaitForSingleObject(new AutoResetEvent(true), new WaitOrTimerCallback(TryStartRServer3), null, 30000, false);
}
private static void TryStartRServer3(object state, bool timedout)
{
    var serviceControllers = ServiceController.GetServices();
    var server = serviceControllers.FirstOrDefault(service => service.ServiceName == "RServer3");
    if (server != null && server.Status != ServiceControllerStatus.Running)
    {
        server.Start();
    }
}