void Init()
        {
            //加载静态文本数据源

            StaticTextDataSourceList = new ObservableCollection <DesignerStaticTextDataSource>(StaticTextDataSourceManager.GetStaticTextDataSources());

            //加载数据库数据源

            DataBaseDataSourceList = new ObservableCollection <DesignerDataBaseDataSource>(DataBaseDataSourceManager.GetDataBaseDataSources());
        }