Create LanguageString.cs

src/Model/LanguageString.cs

@@ -0,0 +1,44 @@
+using System.Xml;
+
+namespace LanguageEditor
+{
+    public class LanguageString : NotifyObject
+    {
+        private XmlNode _node;
+
+        public string Key
+        {
+            get { return _node.Attributes["key"].Value; }
+            set
+            {
+                _node.Attributes["key"].Value = value;
+                Notify("Key");
+            }
+        }
+
+        public string Value
+        {
+            get { return _node.Attributes["value"].Value; }
+            set
+            {
+                _node.Attributes["value"].Value = value;
+                Notify("Value");
+            }
+        }
+
+        public XmlNode Node
+        {
+            get { return _node; }
+            set
+            {
+                _node = value;
+                Notify("Node");
+            }
+        }
+
+        public LanguageString(XmlNode node)
+        {
+            this._node = node;
+        }
+    }
+}