public MainWindow()
{
var a = new[] { 1, 2, 3, 4, 4, 4 };
var b = new[] { 1, 3, 4 };
var source = new ObservableCollection <int>();
GC.Collect(2, GCCollectionMode.Forced, true);
var any = source.ToActiveList().ActiveAny();
GC.Collect(2, GCCollectionMode.Forced, true);
source.Add(0);
Source = new ObservableCollection <TestData>();
Source.Add(new TestData(1, "One", "Abc"));
Source.Add(new TestData(2, "Two", "Def"));
Source.Add(new TestData(3, "Three", "Ghi"));
var activeList = (Source as IList <TestData>).ToActiveList();
Data = activeList.ActiveWhere(o => o.One % 2 == 0).ActiveSelect(o => $"{o.One} - {o.Two}");
Data.ToActiveValue(s => (s as IReadOnlyList <string>).Count);
Combined = activeList.ActiveSelect(x => $"{x.One} - {x.Two}").ActiveConcat(Data).ActiveOrderBy(s => s);
SelectMany = activeList.ActiveSelectMany(x => x.Three).ActiveReverse().ActiveSkip(2).ActiveTake(8);
SelectManyCount = SelectMany.ToActiveValue(l => l.Count);
InitializeComponent();
}
