c#获取本机的IP地址的代码

public static ipaddress gethostip()
{
            iphostentry ipe = dns.gethostentry(dns.gethostname());
            ipaddress ip = ipe.addresslist[0];

            return ip;
}

private string getipaddress()
{
            string str;
            string result = "";
            string hostname = dns.gethostname();
            ipaddress[] myip = dns.gethostaddresses(hostname);
            foreach (ipaddress address in myip)
            {
                str = address.tostring();
                for (int i = 0; i < str.length; i++)
                {
                    if (str[i] >= '0' && str[i] <= '9' || str[i] == '.') result = str;
                }
            }
            return result;
}