using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace using_csharp
{
  public class frmPing : System.Windows.Forms.Form
  {
    private System.Windows.Forms.TextBox txtHost;
    private System.Windows.Forms.Label label1;
    private System.Windows.Forms.TextBox txtOutput;
    private System.Windows.Forms.Button cmdPing;
    private System.ComponentModel.Container components = null;

    public frmPing()
    {
      InitializeComponent();
    }

    protected override void Dispose( bool disposing )
    {
      if( disposing )
      {
        if (components != null) 
        {
          components.Dispose();
        }
      }
      base.Dispose( disposing );
    }

    #region Windows Form Designer generated code //supressed

    [STAThread]
    static void Main() 
    {
      Application.Run(new frmPing());
    }

    private void cmdPing_Click(object sender, System.EventArgs e)
    {
      OSICMP.PingClass oPing = new OSICMP.PingClass();
      String s = "";
      
      try 
      {
        for (int i = 0; i < 4; i++) 
        {
          oPing.Send(txtHost.Text, 1000, 32);
          
          if (i == 0) 
          {
            if (txtHost.Text != oPing.IP) 
              s = txtHost.Text + " [" + oPing.IP + "]";
            else 
              s = txtHost.Text;
            txtOutput.Text = "Pinging " + s + " with " + 
              oPing.PacketSize + " bytes of data:\r\n\r\n";
          }
          
          txtOutput.Text = txtOutput.Text + "Reply from " + 
            oPing.IP + ": bytes=" + oPing.PacketSize + " time=" + 
            oPing.RoundTripTime + "ms TTL=" + oPing.TTL + "\r\n";
          
          oPing.Sleep(1000);
        }
    
        txtOutput.Text = txtOutput.Text + "\r\ncomplete";
      }
      catch (Exception ex)
      {
        txtOutput.Text = "Error: " + ex.Message;
      }
    }
  }
}