gistfile1.txt

public class SomeCommandHandler
{
    uow? where are you?

    public void Handle(SomeCommand command)
    {
        var agg = uow.GetById(command.AggId);
        agg.Foo(); 
    }   
}

public class UoWWrapper
{
    public UoWWrapper(Action<object> next)
    {
        _next = next;
    }

    public void Handle(object command)
    {
       var uow = new UoW()
       {
          _next(command);
          uow.Commit();
       }
    }
}

public class CompositionRoot
{
    public void Setup()
    {
        var bus = new Bus();
        var someHandler = new SomeCommandHandler().Handle;
        var wrapped = new UoWWrapper(someHandler).Handle;
        bus.RegisterCommand<SomeCommand>(wrapped);
    }
}


//Some widening - narrowing may be needed between Action<T> and Action<object> but that's trivial