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//------------------------------------------------------------------------------
// <copyright file="XmlLinkedNode.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
//------------------------------------------------------------------------------
namespace System.Xml {
// Gets the node immediately preceeding or following this node.
public abstract class XmlLinkedNode: XmlNode {
internal XmlLinkedNode next;
internal XmlLinkedNode(): base() {
next = null;
}
internal XmlLinkedNode( XmlDocument doc ): base( doc ) {
next = null;
}
// Gets the node immediately preceding this node.
public override XmlNode PreviousSibling {
get {
XmlNode parent = ParentNode;
if (parent != null) {
XmlNode node = parent.FirstChild;
while (node != null) {
XmlNode nextSibling = node.NextSibling;
if (nextSibling == this) {
break;
}
node = nextSibling;
}
return node;
}
return null;
}
}
// Gets the node immediately following this node.
public override XmlNode NextSibling {
get {
XmlNode parent = ParentNode;
if (parent != null) {
if (next != parent.FirstChild)
return next;
}
return null;
}
}
}
}
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