//public static async Task<object> MsgBox(this IController ctrl, string message, string btn1Name = "OK", string btn2Name = "") //{ // var msgDialog = new MessageDialog1(); // msgDialog.Model().Message = message; // msgDialog.Model().Btn1Label = btn1Name; // msgDialog.Model().Btn2Label = btn2Name; // return await DialogHost.Show(msgDialog, "RootDialog", new DialogClosingEventHandler((s, t) => { msgDialog = null; })); //} public static void LoadAllItems(this IController ctrl, string process, ObservableCollection <TopItemModel> items, bool needInitialize = true) { items.Clear(); if (process != null && process.Length > 0) { var topItems = DataExtension.AccessData(null, null, //获取所有TopItem new[] //条件语句 { new ConditionExperssion <TopItemModel>().Eq(4, process), new ConditionExperssion <TopItemModel>().OrderBy(new[] { 3 }, Sequence.Asc) }); var subItems = DataExtension.AccessData(null, null, //获取所有SubItem new[] { new ConditionExperssion <SubItemModel>().In(4, new SqlExpression().Select <TopItemModel>(new[] { 0 }).Where( new[] { new ConditionExperssion <TopItemModel>().Eq(4, process) })), new ConditionExperssion <SubItemModel>().OrderBy(new[] { 3 }, Sequence.Asc) }); foreach (var top in topItems.Data) { items.Add(top); if (needInitialize) { top.CacheOldData(top); } } SystemSettings.Variants.Clear(); foreach (var sub in subItems.Data) { items.First(t => t.Guid == sub.Parent).SubItems.Add(sub); if (sub.AsVariable) { SystemSettings.Variants.Add(new ComboBoxItemModel(sub.VariantName, sub.Description)); } if (needInitialize) { sub.CacheOldData(sub); } } } }