// 修改setting.tjs
        static void ModifySetting(string dataPath, string title, int sw, int sh, int dh, int dw)
        {
            // 更新setting
            string settingFile = Path.Combine(dataPath, WizardConfig.UI_SETTING);

            // 临时创建一个属性对象用于读取setting
            ProjectProperty info = new ProjectProperty();

            info.LoadSetting(settingFile);
            TjsDict setting = info.setting;

            if (setting != null)
            {
                setting.SetString("title", title);
                setting.SetNumber("width", dw);
                setting.SetNumber("height", dh);

                // 修正缩略图宽度
                int tw = info.thumbnailwidth;
                if (tw > 0)
                {
                    tw = tw * dw / sw;
                    setting.SetValue("savedata/thumbnailwidth", new TjsString(tw.ToString()));
                }

                setting.Save(settingFile, Encoding.Unicode);
            }
        }
        public static double ScaleInteger(TjsDict dict, string name, double scale)
        {
            TjsValue val = dict.GetValue(name);
            double   num = (val != null) ? val.ToDouble() : double.NaN;

            if (!double.IsNaN(num))
            {
                num = num * scale;
                dict.SetNumber(name, Math.Floor(num));
                return(num);
            }

            string str = dict.GetString(name);

            if (double.TryParse(str, out num))
            {
                num = num * scale;
                dict.SetString(name, Math.Floor(num).ToString());
                return(num);
            }

            return(double.NaN);
        }