做个记录

  base.OnAfterInstall(e.SavedState);

            ManagementObject wmiService = null;
ManagementBaseObject InParam = null;
            try
            {
                wmiService = new ManagementObject(string.Format("Win32_Service.Name='{0}'", Constants.ServiceName));
                InParam = wmiService.GetMethodParameters("Change");
                InParam["DesktopInteract"] = true;
                wmiService.InvokeMethod("Change", InParam, null);
            }
            finally
            {
                if (InParam != null)
                    InParam.Dispose();
                if (wmiService != null)
                    wmiService.Dispose();
            }