获取局域网内的在线IP

Question

string s = " ";
System.Net.IPAddress[] addressList =
       Dns.GetHostByName(Dns.GetHostName()).AddressList;
for (int i = 0;i < addressList.Length;i++ )
{
   s += addressList[i].ToString() + "\n";
}
textBox1.Text = s;

Answer 1

ArrayList arr = new ArrayList();
   this.listBox1.Items.Clear();
   DirectoryEntry root = new DirectoryEntry("WinNT:");
     {
   foreach(DirectoryEntry domain in root.Children)
   {
    foreach(DirectoryEntry computer in domain.Children)
    {
     arr.Add(computer.Name);
     this.listBox1.Items.Add(computer.Name+"->"+computer.Path);
    
 
    }
   }
   }

Answer 2

http://expert.csdn.net/Expert/topic/1946/1946755.xml?temp=.4379999