Get registered bindings from Ninject.

gistfile1.cs

    public class InjectionBinding
    {
        public Type RegistrationKey { get; set; }
        public IList<object> Implementations { get; set; }
        public Type[] GetImplementationTypes()
        {
            return Implementations.Select(row => row.GetType()).ToArray();
        }
    }
    
    // relies on the implementation of KernelBase since
    // Ninject does not allow you to query bindings via
    // its api.
    public static class NinjectExtensions
    {
        public static IEnumerable<InjectionBinding> GetImplementations(this KernelBase self, Func<Type, bool> criteria = null )
        {
            if (criteria == null)
                criteria = type => true;
            const BindingFlags flags = BindingFlags.Instance | BindingFlags.NonPublic;

            // Retrieve a FieldInfo instance corresponding to the field
            var field = typeof(KernelBase).GetField("bindings", flags);

            var bindingsMap = (Multimap<Type, IBinding>)field.GetValue(self);

            var allBindings = bindingsMap.Keys.SelectMany(key => bindingsMap[key]).ToList();
            var allBindingsMatchingCriteria = allBindings
                .Select(row => row.Service)
                .Where(row => criteria.Invoke(row))
                .ToList()
                ;

            var keyValues = from instance in allBindingsMatchingCriteria
                            select new InjectionBinding
                            {
                                RegistrationKey = instance,
                                Implementations = self.GetAll(instance).ToList(), // instance.Implementations.ToList(),
                            };


            return keyValues;

        } 
    }