Question

I’m trying to instantiate all subclasses of one class using structuremap.
How would I do this, and how would I control their lifecylce?

I have a base type which other developers inherit to build their classes. At one point I wish to instantiate all of those subclasses and call methods on them.

Answer 1

You can do batch registration like this:

container.Configure(r =>
{
  foreach (var assembly in
      AppDomain.CurrentDomain.GetAssemblies())
  {
    r.Scan(s =>
    {
      s.Assembly(assembly);
      s.AddAllTypesOf<MyBaseType>();
    });
  }
});

And you can resolve all registered types as follows:

IList<MyBaseType> filters = 
    container.GetAllInstances<MyBaseType>();