PAUSE IIS website

this.serviceController1 = new ServiceController();
            this.serviceController1.ServiceName = "W3SVC";
            if (this.serviceController1.Status == ServiceControllerStatus.Running)
            {
                try
                {
                    this.serviceController1.Pause();
                    this.serviceController1.WaitForStatus(ServiceControllerStatus.Paused);
                    MessageBox.Show("已经暂停Internet信息服务默认网站。", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }