using System; using System.Collections.Generic; using System.Threading.Tasks; using HandyControlDemo.Data; namespace HandyControlDemo.ViewModel { public class ItemsDisplayViewModel : DemoViewModelBase { public ItemsDisplayViewModel(Func> getDataAction) { #if NET40 Task.Factory.StartNew(() => DataList = getDataAction?.Invoke()).ContinueWith(obj => DataGot = true); #else Task.Run(() => DataList = getDataAction?.Invoke()).ContinueWith(obj => DataGot = true); #endif } private bool _dataGot; public bool DataGot { get => _dataGot; #if NET40 set => Set(nameof(DataGot), ref _dataGot, value); #else set => Set(ref _dataGot, value); #endif } } }