private void AddUwpModeItem()
        {
            XmlDocument doc = AppDic.ReadXml(AppConfig.WebUwpModeItemsDic,
                                             AppConfig.UserUwpModeItemsDic, Properties.Resources.UwpModeItemsDic);
            List <Guid> guids = new List <Guid>();

            foreach (XmlElement sceneXE in doc.DocumentElement.ChildNodes)
            {
                if (sceneXE.Name == Scene.ToString())
                {
                    foreach (XmlElement itemXE in sceneXE.ChildNodes)
                    {
                        if (GuidEx.TryParse(itemXE.GetAttribute("Guid"), out Guid guid))
                        {
                            if (guids.Contains(guid))
                            {
                                continue;
                            }
                            string uwpName = GuidInfo.GetUwpName(guid);
                            if (!string.IsNullOrEmpty(uwpName))
                            {
                                this.AddItem(new UwpModeItem(uwpName, guid));
                                guids.Add(guid);
                            }
                        }
                    }
                }
            }
        }