Colections not null model binder

CollectionsNotNullModelBinder

using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Reflection;
using System.Web.Mvc;

namespace Core.Web.Mvc.ModelProviders
{
    /// <summary>
    /// http://lostechies.com/jimmybogard/2013/11/07/null-collectionsarrays-from-mvc-model-binding/
    /// Fixed
    /// </summary>
    public class CollectionsNotNullModelBinder : DefaultModelBinder
    {
        protected override void SetProperty(ControllerContext controllerContext, ModelBindingContext bindingContext, PropertyDescriptor propertyDescriptor, object value)
        {
            if (value == null)
            {
                if (propertyDescriptor.PropertyType.IsArray)
                {
                    value = Array.CreateInstance(propertyDescriptor.PropertyType.GetElementType(), 0);
                }
                else if (propertyDescriptor.PropertyType.IsGenericType)
                {
                    Type typeToCreate = null;
                    Type genericTypeDefinition = propertyDescriptor.PropertyType.GetGenericTypeDefinition();
                    if (genericTypeDefinition == typeof(IDictionary<,>))
                    {
                        typeToCreate = typeof(Dictionary<,>).MakeGenericType(propertyDescriptor.PropertyType.GetGenericArguments());
                    }
                    else if (genericTypeDefinition == typeof(IEnumerable<>) ||
                             genericTypeDefinition == typeof(ICollection<>) ||
                             genericTypeDefinition == typeof(IList<>))
                    {
                        typeToCreate = typeof(List<>).MakeGenericType(propertyDescriptor.PropertyType.GetGenericArguments());
                    }

                    if (typeToCreate != null)
                    {
                        value = Activator.CreateInstance(typeToCreate);
                    }
                }
            }

            base.SetProperty(controllerContext, bindingContext, propertyDescriptor, value);
        }
    }
}