/// <summary>
        /// 获得文件和目录列表
        /// </summary>
        /// <param name="datastring">FTP返回的列表字符信息</param>
        private FileStruct[] GetList(string datastring)
        {
            List <FileStruct> myListArray = new List <FileStruct>();

            string[]      tmpdataRecords      = datastring.Split('\n');
            FileListStyle _directoryListStyle = GuessFileListStyle(tmpdataRecords);
            List <string> dataRecords         = tmpdataRecords.ToList();

            if (dataRecords[0].IndexOf("total") >= 0)
            {
                dataRecords.RemoveAt(0);
            }
            foreach (string s in dataRecords)
            {
                if (_directoryListStyle != FileListStyle.Unknown && s != "")
                {
                    FileStruct f = new FileStruct();
                    f.Name = "..";
                    switch (_directoryListStyle)
                    {
                    case FileListStyle.UnixStyle:
                        f = ParseFileStructFromUnixStyleRecord(s);
                        break;

                    case FileListStyle.WindowsStyle:
                        f = ParseFileStructFromWindowsStyleRecord(s);
                        break;
                    }
                    if (!(f.Name == "." || f.Name == ".."))
                    {
                        myListArray.Add(f);
                    }
                }
            }
            return(myListArray.ToArray());
        }