Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Data.SqlXml/System/Xml/Xsl/XsltOld/AvtEvent.cs

@@ -0,0 +1,33 @@
+//------------------------------------------------------------------------------
+// <copyright file="AvtEvent.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+// <owner current="true" primary="true">[....]</owner>
+//------------------------------------------------------------------------------
+
+namespace System.Xml.Xsl.XsltOld {
+    using Res = System.Xml.Utils.Res;
+    using System;
+    using System.Diagnostics;
+    using System.Xml;
+    using System.Xml.XPath;
+    using System.Text;
+
+    internal sealed class AvtEvent : TextEvent {
+        private int key;
+
+        public AvtEvent(int key) {
+            Debug.Assert(key != Compiler.InvalidQueryKey);
+            this.key = key;
+        }
+
+        public override bool Output(Processor processor, ActionFrame frame) {
+            Debug.Assert(key != Compiler.InvalidQueryKey);
+            return processor.TextEvent(processor.EvaluateString(frame, this.key));
+        }
+
+        public override string Evaluate(Processor processor, ActionFrame frame) {
+            return processor.EvaluateString(frame, this.key);
+        }
+    }
+}