[Napisz sam] Polecenie PING i TRACERT uruchomione z własnego

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WierszPolecen1
{
    /// <summary>
    /// Program do uzywania polecenia Ping zaimplementowanego w systemie Windows
    /// </summary>
    public partial class MainWindow : Window
    {
        static String polecenie;

        public MainWindow()
        {
            InitializeComponent();
        }

        private void btnPolecenie_Click(object sender, RoutedEventArgs e)
        {


            MessageBox.Show(polecenie);
            try
            {
                System.Diagnostics.ProcessStartInfo procStartInfo =
                    new System.Diagnostics.ProcessStartInfo("cmd", "/c " + polecenie);
                procStartInfo.UseShellExecute = true;

                System.Diagnostics.Process proc = new System.Diagnostics.Process();
                proc.StartInfo = procStartInfo;
                proc.Start();
            }
            catch (Exception e1)
            {
                MessageBox.Show(e1.Message);
            }
        }

        private void rbPing_Checked(object sender, RoutedEventArgs e)
        {
            polecenie = "ping " + txtIPDomain.Text;
        }

        private void rbTracert_Checked(object sender, RoutedEventArgs e)
        {
            polecenie = "tracert " + txtIPDomain.Text;
        }

        private void txtIPDomain_TextChanged(object sender, TextChangedEventArgs e)
        {
            if (!txtIPDomain.Text.Equals(""))
            {
                rbPing.IsEnabled = true;
                rbTracert.IsEnabled = true;
                btnPolecenie.IsEnabled = true;
            }
            else
            {
                rbPing.IsEnabled = false;
                rbTracert.IsEnabled = false;
                btnPolecenie.IsEnabled = false;
            }
        }

        private void btnZamknij_Click(object sender, RoutedEventArgs e)
        {
            this.Close();

        }


    }
}