A better take on DI wireups in .NET: https://nblumhardt.com/2010/01/the-relationship-zoo/ https://nblumhardt.com/2010/01/the-relationship-zoo/ The gist:

A better take on DI wireups in .NET: https://nblumhardt.com/2010/01/the-relationship-zoo/ https://nblumhardt.com/2010/01/the-relationship-zoo/ The gist: Relationship Adapter Type Meaning A needs a B None Dependency A needs a B at some point in the future Lazy<B> Delayed instantiation A needs to create instances of B Func<B> Dynamic instantiation A provides parameters of types X and Y to B Func<X,Y,B> Parameterisation A needs all the kinds of B IEnumerable<B> Enumeration