在某些类中，我想使用Task异步加载2个集合并停止busyindicator我尝试这样的事情varuiScheduler=TaskScheduler.FromCurrentSynchronizationContext();WaitingIndicatorViewModel.IsBusy=true;varloadData1=newTask>(GetData1FromService).ContinueWith(t=>Data1Collection=t.Result,uiScheduler);varloadData2=newTask>(GetData2FromService).Continu