I suspect this is a question which has been asked many times before but i haven\'t found one.
I normally use fully qualified namespaces if i don\'t use that type of
This obvious way unfortunately not working but you can make all this by an alias namespace:
using ns_1_1 = ns_1.ns_1_1; public class Program { public Program() { var no_foo = new ns_1_1.Foo(); } }