System.Xml.DocumentXPathNodeIterator_ElemDescendants.MoveNext C# (CSharp) Méthode

        public override bool MoveNext() {
            for (;;) {
                if (nav.MoveToFirstChild()) {
                    level++;
                }
                else {
                    if (level == 0) {
                        return false;
                    }
                    while (!nav.MoveToNext()) {
                        level--;
                        if (level == 0) {
                            return false;
                        }
                        if (!nav.MoveToParent()) {
                            return false;
                        }
                    }
                }
                XmlNode node = (XmlNode)nav.UnderlyingObject;
                if (node.NodeType == XmlNodeType.Element && Match(node)) {
                    position++;
                    return true;
                }
            }
        }
    }