gistfile1.txt

 // Retry once if necessary
                bool hasDrivers = false;
                for (int i = 1; i <= 2; i++)
                {
                    // Start the service and then we'll wait for drivers to load
                    using (ServiceController service = new ServiceController("dsvideoserver"))
                    {
                        try
                        {
                            // Wait for the service to fully start before checking the drivers
                            service.Start();
                            service.WaitForStatus(ServiceControllerStatus.Running, TimeSpan.FromMinutes(2));
                        }
                        catch
                        {
                        }

                        // If the service started then wait for the drivers to load
                        while (service.Status == ServiceControllerStatus.Running)
                        {
                            // Now wait a little bit for the drivers to load
                            hasDrivers = instance.HasDriversLoaded();
                            if (hasDrivers)
                                break;

                            Thread.Sleep(100);
                        }

                        try
                        {
                            // Stop the service
                            service.Stop();
                            service.WaitForStatus(ServiceControllerStatus.Stopped, TimeSpan.FromSeconds(30));
                        }
                        catch
                        {
                        }

                        try
                        {
                            // If the service isn't stopped yet then kill it
                            if (service.Status != ServiceControllerStatus.Stopped)
                            {
                                foreach (Process proc in Process.GetProcessesByName("DSVideoServer.exe"))
                                    proc.Kill();
                            }
                        }
                        catch
                        {
                        }

                        // If we have the drivers now then don't retry
                        if (hasDrivers)
                            break;
                        
                        messenger(Properties.Resources.LocalHardware_FailedLoadDriversRetry);
                    }

                    // If we couldn't load the drivers then fail here
                    if (!hasDrivers)
                        throw new InvalidOperationException(Properties.Resources.LocalHardware_FailedLoadDrivers);
                }