虫儿飞（英文直译版） 欧子 语种： 英语 语种： 英语 本歌词于吾爱知道 虫儿飞（英文直译版） - 欧子
I have a C# code that basically uploads a file via FTP protocol (using FtpWebRequest). I\'d like, however, to first determine whether there is a working internet connection before trying to upload the
加载中,请稍侯......