Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/UI/EmptyTextWriter.cs

@@ -0,0 +1,141 @@
+#if WMLSUPPORT
+using System;
+using System.CodeDom.Compiler;
+using System.Collections;
+using System.IO;
+using System.Text;
+
+namespace System.Web.UI
+{
+    /*
+     * EmptyTextWriter class. Like the Null text writer, but keeps track of whether
+     * anything was written or not.
+     */
+    internal class EmptyTextWriter : HtmlTextWriter
+    {
+        internal EmptyTextWriter() : base(null)
+        {
+        }
+
+        public override void Write(string s) 
+        {
+        }
+
+        public override void Write(bool value) 
+        {
+        }
+
+        public override void Write(char value) 
+        {
+        }
+
+        public override void Write(char[] buffer) 
+        {
+        }
+
+        public override void Write(char[] buffer, int index, int count) 
+        {
+        }
+
+        public override void Write(double value)
+        {
+        }
+
+        public override void Write(float value)
+        {
+        }
+
+        public override void Write(int value)
+        {
+        }
+
+        public override void Write(long value)
+        {
+        }
+
+        public override void Write(Object value)
+        {
+        }
+
+        public override void Write(String format, Object arg0)
+        {
+        }
+
+        public override void Write(String format, Object arg0, Object arg1)
+        {
+        }
+
+        public override void Write(String format, params object[] arg)
+        {
+        }
+
+        // Inherited method delegates to inner writer, which is null.  Override to avoid this.
+        public override void WriteLine() {
+        }
+
+        public override void WriteLine(string s) 
+        {
+        }
+
+        public override void WriteLine(bool value) 
+        {
+        }
+
+        public override void WriteLine(char value) 
+        {
+        }
+
+        public override void WriteLine(char[] buffer) 
+        {
+        }
+
+        public override void WriteLine(char[] buffer, int index, int count) 
+        {
+        }
+
+        public override void WriteLine(double value)
+        {
+        }
+
+        public override void WriteLine(float value)
+        {
+        }
+
+        public override void WriteLine(int value)
+        {
+        }
+
+        public override void WriteLine(long value)
+        {
+        }
+
+        public override void WriteLine(Object value)
+        {
+        }
+
+        public override void WriteLine(String format, Object arg0)
+        {
+        }
+
+        public override void WriteLine(String format, Object arg0, Object arg1)
+        {
+        }
+
+        public override void WriteLine(String format, params object[] arg)
+        {
+        }
+
+        public override void WriteLine(UInt32 value) 
+        {
+        }
+
+        public override Encoding Encoding 
+        {
+            get 
+            {
+                return Encoding.UTF8;
+            }
+        }
+    }
+}
+#endif