namespace System.Web.ModelBinding {
    using System;
 
    public sealed class ArrayModelBinderProvider : ModelBinderProvider {
 
        public override IModelBinder GetBinder(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext) {
            ModelBinderUtil.ValidateBindingContext(bindingContext);
 
            if (!bindingContext.ModelMetadata.IsReadOnly && bindingContext.ModelType.IsArray &&
                bindingContext.UnvalidatedValueProvider.ContainsPrefix(bindingContext.ModelName)) {
                Type elementType = bindingContext.ModelType.GetElementType();
                return (IModelBinder)Activator.CreateInstance(typeof(ArrayModelBinder<>).MakeGenericType(elementType));
            }
 
            return null;
        }
 
    }
}