Mega Code Archive

 

Categories / C# Tutorial / Network

 

Get default gateway from Win32_NetworkAdapterConfiguration

using System; using System.Management; class MainClass {     public static void Main()     {         ManagementObjectSearcher query = new ManagementObjectSearcher("SELECT * FROM Win32_NetworkAdapterConfiguration WHERE IPEnabled = 'TRUE'") ;         ManagementObjectCollection queryCollection = query.Get();         foreach( ManagementObject mo in queryCollection )         {             string[] defaultgateways = (string[])mo["DefaultIPGateway"];             foreach(string defaultgateway in defaultgateways)             {                 Console.WriteLine("Gateway: {0}", defaultgateway);             }         }     } } Gateway: 192.168.1.1 Unhandled Exception: System.NullReferenceException: Object reference not set to an instance of an ob ject. at MainClass.Main()