//============================================================
        //	ICOMPARABLE IMPLEMENTATION
        //============================================================
        #region CompareTo(object obj)
        /// <summary>
        /// Compares the current instance with another object of the same type.
        /// </summary>
        /// <param name="obj">An object to compare with this instance.</param>
        /// <returns>A 32-bit signed integer that indicates the relative order of the objects being compared.</returns>
        /// <exception cref="ArgumentException">The <paramref name="obj"/> is not the expected <see cref="Type"/>.</exception>
        public int CompareTo(object obj)
        {
            //------------------------------------------------------------
            //	If target is a null reference, instance is greater
            //------------------------------------------------------------
            if (obj == null)
            {
                return(1);
            }

            //------------------------------------------------------------
            //	Determine comparison result using property state of objects
            //------------------------------------------------------------
            TrackbackSyndicationExtension value = obj as TrackbackSyndicationExtension;

            if (value != null)
            {
                int result = Uri.Compare(this.Context.Ping, value.Context.Ping, UriComponents.AbsoluteUri, UriFormat.SafeUnescaped, StringComparison.OrdinalIgnoreCase);
                result = result | ComparisonUtility.CompareSequence(this.Context.Abouts, value.Context.Abouts, StringComparison.OrdinalIgnoreCase);

                return(result);
            }
            else
            {
                throw new ArgumentException(String.Format(null, "obj is not of type {0}, type was found to be '{1}'.", this.GetType().FullName, obj.GetType().FullName), "obj");
            }
        }
        /// <summary>
        /// Compares the current instance with another object of the same type.
        /// </summary>
        /// <param name="obj">An object to compare with this instance.</param>
        /// <returns>A 32-bit signed integer that indicates the relative order of the objects being compared.</returns>
        /// <exception cref="ArgumentException">The <paramref name="obj"/> is not the expected <see cref="Type"/>.</exception>
        public int CompareTo(object obj)
        {
            if (obj == null)
            {
                return(1);
            }

            TrackbackSyndicationExtension value = obj as TrackbackSyndicationExtension;

            if (value != null)
            {
                int result = Uri.Compare(this.Context.Ping, value.Context.Ping, UriComponents.AbsoluteUri, UriFormat.SafeUnescaped, StringComparison.OrdinalIgnoreCase);
                result = result | ComparisonUtility.CompareSequence(this.Context.Abouts, value.Context.Abouts, StringComparison.OrdinalIgnoreCase);

                return(result);
            }
            else
            {
                throw new ArgumentException(String.Format(null, "obj is not of type {0}, type was found to be '{1}'.", this.GetType().FullName, obj.GetType().FullName), "obj");
            }
        }