获取某一扩展名的文件集合

/// 获取某一扩展名的文件集合
        /// </summary>
        /// <param name="dictoryName">目录名</param>
        /// <param name="fiterName">扩展名</param>
        /// <returns>文件名集合</returns>
        public List<string> Search(string dictoryName, string fiterName)
        {
            List<string> ViewFileNameLst = new List<string>();
            if (!Directory.Exists(dictoryName))
            {
                return ViewFileNameLst;
            }
            DirectoryInfo dirInfo = new DirectoryInfo(dictoryName);
            FileInfo[] fileInfs = dirInfo.GetFiles("*.*",SearchOption.AllDirectories);

            foreach (FileInfo fInfo in fileInfs)
            {
                //过滤指定后缀名文件
                if (fInfo.Extension.Equals(fiterName))
                {
                    ViewFileNameLst.Add(System.IO.Path.GetFileNameWithoutExtension(fInfo.FullName));
                }
            }
            return ViewFileNameLst;
        }