private static bool WaitForServiceStatus(IntPtr hService, ServiceState WaitStatus, ServiceState DesiredStatus)
{
ServiceInstaller.SERVICE_STATUS sERVICESTATU = new ServiceInstaller.SERVICE_STATUS();
ServiceInstaller.QueryServiceStatus(hService, sERVICESTATU);
if (sERVICESTATU.dwCurrentState == DesiredStatus)
{
return(true);
}
int tickCount = Environment.TickCount;
int num = sERVICESTATU.dwCheckPoint;
do
{
Label0:
if (sERVICESTATU.dwCurrentState != WaitStatus)
{
break;
}
int num1 = sERVICESTATU.dwWaitHint / 10;
if (num1 < 1000)
{
num1 = 1000;
}
else if (num1 > 10000)
{
num1 = 10000;
}
Thread.Sleep(num1);
if (ServiceInstaller.QueryServiceStatus(hService, sERVICESTATU) == 0)
{
break;
}
if (sERVICESTATU.dwCheckPoint <= num)
{
continue;
}
tickCount = Environment.TickCount;
num = sERVICESTATU.dwCheckPoint;
goto Label0;
}while (Environment.TickCount - tickCount <= sERVICESTATU.dwWaitHint);
return(sERVICESTATU.dwCurrentState == DesiredStatus);
}
public static bool ServiceIsInstalled(string ServiceName)
{
bool flag;
IntPtr intPtr = ServiceInstaller.OpenSCManager(ServiceManagerRights.Connect);
try
{
IntPtr intPtr1 = ServiceInstaller.OpenService(intPtr, ServiceName, ServiceRights.QueryStatus);
if (intPtr1 != IntPtr.Zero)
{
ServiceInstaller.CloseServiceHandle(intPtr1);
flag = true;
}
else
{
flag = false;
}
}
finally
{
ServiceInstaller.CloseServiceHandle(intPtr);
}
return(flag);
}
private static void StopService(IntPtr hService)
{
ServiceInstaller.ControlService(hService, ServiceControl.Stop, new ServiceInstaller.SERVICE_STATUS());
ServiceInstaller.WaitForServiceStatus(hService, ServiceState.Stopping, ServiceState.Stop);
}
private static void StartService(IntPtr hService)
{
ServiceInstaller.SERVICE_STATUS sERVICESTATU = new ServiceInstaller.SERVICE_STATUS();
ServiceInstaller.StartService(hService, 0, 0);
ServiceInstaller.WaitForServiceStatus(hService, ServiceState.Starting, ServiceState.Run);
}
private static extern int QueryServiceStatus(IntPtr hService, ServiceInstaller.SERVICE_STATUS lpServiceStatus);
private static extern int ControlService(IntPtr hService, ServiceControl dwControl, ServiceInstaller.SERVICE_STATUS lpServiceStatus);