Get MAC Address Of The System In C#

using System; 
using System.Net.NetworkInformation; 
  
namespace GetMacAddress { 
    class Program { 
        static void Main(string[] args) { 
            NetworkInterface[] nics = NetworkInterface.GetAllNetworkInterfaces(); 
            String sMacAddress = string.Empty; 
            foreach(NetworkInterface adapter in nics) { 
                if (sMacAddress == String.Empty) // only return MAC Address from first card     
                { 
                    IPInterfaceProperties properties = adapter.GetIPProperties(); 
                    sMacAddress = adapter.GetPhysicalAddress().ToString(); 
                } 
            } 
            Console.WriteLine(sMacAddress); 
        } 
    } 
} 

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