/// <summary>
/// 调用dos窗口获取相关信息
/// </summary>
/// <param name="cmd">如:netstat-ano或者ipconfig</param>
/// <returns></returns>
static string GetCode(string cmd)
{
  ProcessStartInfo startInfo = new ProcessStartInfo("cmd.exe");
  startInfo.UseShellExecute = false;
  startInfo.CreateNoWindow = true;//不显示窗口
  Process process = new Process();
  process.StartInfo = startInfo;
  process.StartInfo.RedirectStandardInput = true;
  process.StartInfo.RedirectStandardOutput = true;
  process.Start();
  process.StandardInput.WriteLine(cmd);
  process.StandardInput.WriteLine("exit");
  string netMessage = process.StandardOutput.ReadToEnd();
  process.WaitForExit();
  process.Close();
  return netMessage;
}
/// <summary>
/// 将获取的信息输出到桌面
/// </summary>
static void InvokeCode()
{
  string path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "\\" + DateTime.Now.ToString("yyyyMMddHHmmssfff") + ".txt";
  System.IO.File.WriteAllText(path, GetCode("ipconfig"));
}