using AnotherClassLibrary; using System; using System.Collections.Immutable; using System.Linq; namespace DotNet462Application { public class Program { [STAThread] public static void Main(string[] args) { Console.WriteLine(ImmutableHashSet.Create(1).First()); int number = new BclAsyncUsage().GetNumber().Result; Console.WriteLine(number); // This app doesn't have any .xaml files, to reproduce the case when // the target library has WpfWindowStarter.ShowWindowWithControl(); } } }