System.Xml.Schema.SymbolsDictionary.this C# (CSharp) Method

        public int this[XmlQualifiedName name] {
            get {
                object lookup = names[name];
                if (lookup != null) {
                    return (int)lookup;
                }
                if (wildcards != null) {
                    lookup = wildcards[name.Namespace];
                    if (lookup != null) {
                        return (int)lookup;
                    }   
                }
                return last; // true wildcard
            }
        }