C#调用本地ipv4 ip地址,若计算机在局域网内,那么将调用的是局域网ip, 

1. using System.Net;
2. using System.Net.Sockets;
3. string name = Dns.GetHostName();
4. IPAddress[] ipadrlist = Dns.GetHostAddresses(name);
5. foreach (IPAddress ipa in ipadrlist)
6. {
7. if (ipa.AddressFamily == AddressFamily.InterNetwork)
8. label1.Text=(ipa.ToString());
9. }