System.Xml.XmlAttributeCollection.FindNodeOffsetNS C# (CSharp) Méthode

        internal int FindNodeOffsetNS(XmlAttribute node) {
            ArrayList nodes = Nodes;
            for (int i = 0; i < nodes.Count; i++) {
                XmlAttribute tmp = (XmlAttribute) nodes[i];
                if (tmp.LocalNameHash == node.LocalNameHash
                    && tmp.LocalName == node.LocalName 
                    && tmp.NamespaceURI == node.NamespaceURI) {
                    return i;
                }
            }
            return -1;
        }

        private void CloseWithAppendAttribute()
        {
            XmlElement?elem = _start as XmlElement;

            Debug.Assert(elem != null);
            XmlAttributeCollection attrs = elem.Attributes;

            for (int i = 0; i < _fragment.Count; i++)
            {
                XmlAttribute?attr = _fragment[i] as XmlAttribute;
                Debug.Assert(attr != null);
                int offset = attrs.FindNodeOffsetNS(attr);
                if (offset != -1 &&
                    ((XmlAttribute)attrs.nodes[offset]).Specified)
                {
                    throw new XmlException(SR.Xml_DupAttributeName, attr.Prefix.Length == 0 ? attr.LocalName : $"{attr.Prefix}:{attr.LocalName}");
                }
            }
            for (int i = 0; i < _fragment.Count; i++)
            {
                XmlAttribute?attr = _fragment[i] as XmlAttribute;
                Debug.Assert(attr != null);
                attrs.Append(attr);
            }
        }