System.Dynamic.GetMemberBinder.FallbackGetMember C# (CSharp) Method

        public DynamicMetaObject FallbackGetMember(DynamicMetaObject target)
        {
            return FallbackGetMember(target, null);
        }

            public override DynamicMetaObject BindGetMember(GetMemberBinder binder) {
                var binderDefault = binder.FallbackGetMember(this);

                var expression = Expression.Convert(GetMemberAccessExpression(binder.Name), typeof(object));

                var dynamicSuggestion = new DynamicMetaObject(expression, BindingRestrictions.GetTypeRestriction(Expression, LimitType)
                                                                                             .Merge(binderDefault.Restrictions));

                return binder.FallbackGetMember(this, dynamicSuggestion);
            }