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diff --git a/mcs/class/System.Drawing/Samples/General/hering.cs b/mcs/class/System.Drawing/Samples/General/hering.cs
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+++ b/mcs/class/System.Drawing/Samples/General/hering.cs
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+//
+// hering.cs 
+// Creates image for Hering illusion.
+// Converted to C# from Xr demo application.
+//
+// Author:
+//   Alexandre Pigolkine(pigolkine@gmx.de)
+// 
+//
+// Copyright (C) Ximian, Inc.  http://www.ximian.com
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.Drawing.Drawing2D;
+ 
+namespace MonoSamples.System.Drawing
+{
+	public class Hering
+	{
+		public static void Main (String[] args) {
+
+			float width = 400.0F;
+			float height = 800.0F;
+			Bitmap bmp = new Bitmap ((int) width, (int) height);
+			Graphics gr = Graphics.FromImage (bmp);
+			gr.Clear (Color.White);
+
+			int LINES = 32;
+			float MAX_THETA  = (.80F * 90.0F);
+			float THETA  = (2 * MAX_THETA / (LINES-1));
+
+			GraphicsState oldState = gr.Save ();
+
+			Pen blackPen = new Pen (Color.Black, 2.0F);
+	 		gr.TranslateTransform (width / 2.0F, height / 2.0F);
+			gr.RotateTransform (MAX_THETA);
+			for ( int i = 0; i < LINES; i++) {
+				gr.DrawLine (blackPen, -2.0F * width, 0.0F, 2.0F * width, 0.0F);
+				gr.RotateTransform (-THETA);
+			}
+
+			gr.Restore (oldState);
+
+			Pen redPen = new Pen (Color.Red, 6F);
+			gr.DrawLine (redPen, width / 4F, 0F, width / 4F, height);
+			gr.DrawLine (redPen, 3F * width / 4F, 0F, 3F * width / 4F, height);
+
+			/* save image in all the formats */   
+			bmp.Save ("hering.png", ImageFormat.Png);
+			Console.WriteLine ("output file hering.png");
+			bmp.Save ("hering.jpg", ImageFormat.Jpeg);
+			Console.WriteLine ("output file hering.jpg");
+			bmp.Save ("hering.bmp", ImageFormat.Bmp);
+			Console.WriteLine ("output file hering.bmp");
+		}
+	}
+}