System.Xml.Serialization.SchemaObjectCache.GetDependencies C# (CSharp) Method

        private ArrayList GetDependencies(XmlSchemaObject o, ArrayList deps, Hashtable refs) {
            if (refs[o] == null) {
                refs[o] = o;
                deps.Add(o);
                ArrayList list = Graph[o] as ArrayList;
                if (list != null) {
                    for (int i = 0; i < list.Count; i++) {
                        GetDependencies((XmlSchemaObject)list[i], deps, refs);
                    }
                }
            }
            return deps;
        }