Use inet_pton Or WSAStringToAddress Instead !

    public static extern uint inet_pton(ADDRESS_FAMILIES Family, string pszAddrString, ref in_addr pAddrBuf);

    public static extern uint inet_pton(ADDRESS_FAMILIES Family, string pszAddrString, ref in6_addr pAddrBuf);

Declare Function inet_pton Lib "ws2_32.dll" (TODO) As TODO