DDay.iCal.Validator.Xml.DirectoryXmlDocumentProvider.GetFilesRecursive C# (CSharp) Method

        private void GetFilesRecursive(string path, ref List<string> files)
        {
            foreach (string file in Directory.GetFiles(path, "*.*"))
                files.Add(file);

            foreach (string dir in Directory.GetDirectories(path))
                GetFilesRecursive(dir, ref files);
        }