using System.Managent;//Ekleyin
private **** button1_Click (object sender,EventArgs e)
{
string Seri No="";
ManagementClass Ethernet Kart=new
ManagementClass("Win32_NetworkAdapterConfiguration ");
ManagementObjectColletion Elemanlar=Ethernet Kart.GetInstances();
foreach(ManagementObject Eleman in Elemanlar)
{
if (Seri No=String.Empty)
{
if((boot)Eleman["IPENabled"]==true)
{
Seri No=Eleman["MacAddress"].ToString;
Label.Text=SeriNo;
}
}
}
}