Redialing a PPPOE connection programatically

rasdial connectionname

public static int OpenConnection(string connectionName, int Timeout) {
   int ExitCode;
   ProcessStartInfo ProcessInfo;
   Process Process;

   ProcessInfo = new ProcessStartInfo("cmd.exe", "/C rasdial " + connectionName);
   ProcessInfo.CreateNoWindow = true;
   ProcessInfo.UseShellExecute = false;
   Process = Process.Start(ProcessInfo);
   Process.WaitForExit(Timeout);
   ExitCode = Process.ExitCode;
   Process.Close();

   return ExitCode;
}

rasdial "connection name" /d