X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mcs%2Fclass%2FSystem.XML%2FSystem.Xml%2FXmlLinkedNode.cs;h=090bedcf6b924e0235ad7635a195c3284cbbc1e3;hb=ec02f3a0bcc44c3d32dfbdf92b59a74ed6bc5d19;hp=1fd4d12fdb0621d69e7caadaab4c4397dba15c9d;hpb=c6fbc77fe6e1ccc017a3a6635007bc997f45e6e7;p=mono.git

diff --git a/mcs/class/System.XML/System.Xml/XmlLinkedNode.cs b/mcs/class/System.XML/System.Xml/XmlLinkedNode.cs
index 1fd4d12fdb0..090bedcf6b9 100644
--- a/mcs/class/System.XML/System.Xml/XmlLinkedNode.cs
+++ b/mcs/class/System.XML/System.Xml/XmlLinkedNode.cs
@@ -1,3 +1,13 @@
+//
+// System.Xml.XmlLinkedNode
+//
+// Authors:
+//   Jason Diamond <jason@injektilo.org>
+//   Kral Ferch <kral_ferch@hotmail.com>
+//
+// (C) 2002 Jason Diamond, Kral Ferch
+//
+
 using System;
 
 namespace System.Xml
@@ -5,16 +15,18 @@ namespace System.Xml
 	public abstract class XmlLinkedNode : XmlNode
 	{
 		#region Fields
+
 		XmlLinkedNode nextSibling;
 
 		#endregion
 
 		#region Constructors
-		protected internal XmlLinkedNode(XmlDocument doc) : base(doc) { }
+		internal XmlLinkedNode(XmlDocument doc) : base(doc) { }
 
 		#endregion
 
-		#region Properties		
+		#region Properties
+
 		public override XmlNode NextSibling
 		{
 			get {
@@ -33,11 +45,19 @@ namespace System.Xml
 			set { nextSibling = value; }
 		}
 
-		[MonoTODO]
 		public override XmlNode PreviousSibling
 		{
 			get {
-				throw new NotImplementedException ();
+				if (ParentNode != null) {
+					XmlNode node = ParentNode.FirstChild;
+					if (node != this) {
+						do {
+							if (node.NextSibling == this)
+								return node;
+						} while ((node = node.NextSibling) != null);
+					}					
+				}
+				return null;
 			}
 		}