// CS0029: Cannot implicitly convert type `B [cs0029-26, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null -- *PATH*/cs0029-26.cs]' to `B [CS0029-26-lib, Version=1.0.0.0, Culture=neutral, PublicKeyToken=36f3ae7e947792e3 -- *PATH*/CS0029-26-lib.dll]' // Line: 16 // Compiler options: -r:R1=CS0029-26-lib.dll extern alias R1; public class B { } public class C { public static void Main () { B b1 = null; R1::B b2 = b1; } }