/// <summary>
        /// Violate Cecil encapsulation to get the PDB path -- a candidate
        /// for another method on ModuleDefinition
        /// </summary>
        /// <param name="assembly">The assembly to find the .pdb path for</param>
        /// <returns>The path (null if the operation fails)</returns>
        public static string GetPdbFromImage(AssemblyDefinition assembly)
        {
            var m = assembly.MainModule;
            var imageField = typeof(ModuleDefinition).GetField("Image", BindingFlags.Instance | BindingFlags.NonPublic);
            var image = imageField.GetValue(m);
            var getDebugHeaderInfo = image.GetType().GetMethod("GetDebugHeader");
            byte[] result = null;
            var args = new object[] { result };

            try
            {
                getDebugHeaderInfo.Invoke(image, args);
                var SizeOfDebugInfo = 0x18;
                result = args[0] as byte[];
                if (null == result)
                {
                    return null;
                }

                var byteValue = result.Skip(SizeOfDebugInfo).
                    TakeWhile(x => x != 0).ToArray();

                if (byteValue.Length > 0)
                {
                    // UTF-8 encoding works for an assembly named GetÞePdbLocation.
                    return Encoding.UTF8.GetString(byteValue);
                }
            }
            catch (TargetInvocationException)
            {}

            return null;
        }