MvcContrib.Binders.DerivedTypeModelBinder.DetectInstantiationType C# (CSharp) Method

        protected Type DetectInstantiationType(ControllerContext controllerContext, ModelBindingContext bindingContext, Type typeToCreate)
        {
            var typeValue = _typeStampOperator.DetectTypeStamp(bindingContext, this);

            if (String.IsNullOrEmpty(typeValue))
                return typeToCreate;

            var derivedType = DerivedTypeModelBinderCache.GetDerivedType(typeValue);

            if (derivedType != null)
                return derivedType;

            throw new InvalidOperationException(string.Format("unable to located identified type '{0}' as a variant of '{1}'", typeValue, typeToCreate.FullName));
        }