System.Exception.GetType C# (CSharp) Method

        public new Type GetType()
        {
            return base.GetType();
        }

        private static string ToStringAdvanced(this System.Exception exception, string exceptionFormat, string propertyFormat, IEnumerable <string> propertyFilter, string indentationString, int depth)
        {
            if (exception == null)
            {
                return(null);
            }

            exceptionFormat = exceptionFormat ?? Environment.NewLine + "{0}:" + Environment.NewLine + "{1}";
            propertyFormat  = propertyFormat ?? "{0} = {1}" + Environment.NewLine;
            propertyFilter  = propertyFilter ?? new string[] { "Message", "StackTrace", "Source", "TargetSite", "InnerException" };

            var properties = exception.GetType().GetProperties().Select(p => new KeyValuePair <string, string>(p.Name, Convert.ToString(p.GetValue(exception)))).ToDictionary(p => p.Key, p => p.Value);

            var filteredProperties = properties.Where(p => propertyFilter.Contains(p.Key) && !string.IsNullOrEmpty(p.Value)).ToDictionary(p => p.Key, p => p.Value);

            if (filteredProperties.ContainsKey("InnerException"))
            {
                filteredProperties["InnerException"] = exception.InnerException.ToStringAdvanced(exceptionFormat, propertyFormat, propertyFilter, indentationString, depth + 1);
            }

            var formatedProperties = filteredProperties.Select(p => string.Format(propertyFormat, p.Key, p.Value)).ToList();

            var detailString = string.Format(exceptionFormat, exception.GetType().FullName, string.Join("", formatedProperties));

            if (!string.IsNullOrEmpty(indentationString) && depth > 0)
            {
                string indentation = string.Concat(Enumerable.Repeat(indentationString, depth));

                var lines = detailString.Split(new string[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);

                detailString = Environment.NewLine + string.Join(Environment.NewLine, lines.Select(l => indentation + l));
            }

            return(detailString);
        }