Checking Internet Is Connected Or Not From .NET

using System ;
using System.Runtime ;
using System.Runtime.InteropServices ;

public class Internet
{

    [DllImport("wininet.dll")]
    private extern static bool InternetGetConnectedState( out int Description, int ReservedValue ) ;

    public static bool IsConnectedToInternet( )
    {
        int Desc ;
        return InternetGetConnectedState( out Desc, 0 ) ;
    }
}