C # obtain all IP addresses of the Local Machine (including LAN and Internet IP addresses of the local machine)

Using  System. net;  Namespace  Jihua. cnblogs. com {  Class  Nethelper {  ///   <Summary>          ///  Obtain all local IP addresses, including lan ip addresses and local Internet IP addresses (if any)  ///   </Summary>          ///   <Returns>  192.168.1.10 | 220.181.112.143 </Returns>          Public   Static   String  Getallip () {IPaddress [] IP = DNS. gethostaddresses (DNS. gethostname ());  Int M_count = IP. length;  String M_allip = String  . Empty;  For ( Int I =0 ; I <m_count; I ++ ){  If (I> 0  ) M_allip = M_allip + "  |  "  ; M_allip + = IP [I]. tostring ();}  Return  M_allip ;}}}