Signum.Entities.DynamicQuery.AnyAllFilter.ToExpression C# (CSharp) Method

        public Expression ToExpression(FilterBuildExpressionContext ctx)
        {
            var collection = Token.Parent.BuildExpression(ctx);

            var and = Filters.Select(f => f.ToExpression(ctx)).AggregateAnd();

            string type = Token.CollectionElementType.ToString();

            if (type.StartsWith("AnyNo"))
                and = Expression.Not(and);

            var lambda = Expression.Lambda(and, Parameter);

            MethodInfo mi = typeof(IQueryable).IsAssignableFrom(Token.Parent.Type) ?
                 (type.StartsWith("All") ? miAllQ : miAnyQ) :
                 (type.StartsWith("All") ? miAllE : miAnyE);

            var result = Expression.Call(mi.MakeGenericMethod(Parameter.Type), collection, lambda);

            if (type.StartsWith("NoOne"))
                return Expression.Not(result);

            return result;
        }
    }