using System; using NSLib2; namespace NSLib1 { public class Lib1 { #if NETCOREAPP1_0 public static void HelloNCA() { Console.WriteLine("Hello World from Lib1! (netcoreapp)"); Lib2.HelloNCA(); } #endif #if NET451 public static void HelloNet451() { Console.WriteLine("Hello World from Lib1! (net45)"); Lib2.HelloNet451(); } #endif } }