public void SaveTimePoint(string key, DateTime simulatedTime)
        {
            UserSettings settings = UserSettings.LoadSettings(key);

            settings.Categories["CommonSettings"].Properties.SetValue("SimulatedTime", simulatedTime);

            settings.Update();
        }
        public void SaveUserLanguageID(string userID, string languageID)
        {
            //得到当前登录用户的ID
            if (DeluxePrincipal.IsAuthenticated && DeluxeIdentity.Current != null)
            {
                userID = DeluxeIdentity.CurrentUser.ID;
            }

            UserSettings settings = UserSettings.LoadSettings(userID);

            settings.Categories["CommonSettings"].Properties["Language"].StringValue = languageID;
        }