System.Configuration.ConfigurationPermission.ConfigurationPermission C# (CSharp) Метод

        public ConfigurationPermission(PermissionState state) {

            // validate state parameter
            switch (state) {
            case PermissionState.Unrestricted:
            case PermissionState.None:
                _permissionState = state;
                break;

            default:
                throw ExceptionUtil.ParameterInvalid("state");
            }
        }